Merge pull request #752 from fastfetch-cli/dev

Release: v2.8.8

CHANGELOG.md

@@ -1,3 +1,15 @@
+# 2.8.8
+
+Bugfixes:
+* Fix old fish version compatibility (#744)
+* Fix truncated texts in `--help format` (#745)
+* Fix old vulkan-header and libdrm library compatibility (#748, Linux)
+* Fix possible segfaults in `--help *-format` (#749)
+* Fix invalid resolution detection when using libdrm (Linux, Display)
+* Fix segfault when `/sys/devices/system/cpu/cpufreq/` doesn't exist (#750, CPU, Linux)
+* Don't detect `SessionLeader` as terminal (Terminal, Linux)
+* Fix detection of client IP (Users, Linux)
+
 # 2.8.7
 
 Bugfixes:

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.12.0) # target_link_libraries with OBJECT libs & project homepage url
 
 project(fastfetch
-    VERSION 2.8.7
+    VERSION 2.8.8
     LANGUAGES C
     DESCRIPTION "Fast neofetch-like system information tool"
     HOMEPAGE_URL "https://github.com/fastfetch-cli/fastfetch"

README.md

@@ -27,8 +27,10 @@ There are [screenshots on different platforms](https://github.com/fastfetch-cli/
 
 ### Linux
 
-* Ubuntu: `ppa:zhangsongcui3371/fastfetch`
-* Debian / Ubuntu: Download `fastfetch-<version>-Linux.deb` from [Github release page](https://github.com/fastfetch-cli/fastfetch/releases/latest) and `dpkg -i fastfetch-<version>-Linux.deb`
+Some distros packaged a outdated fastfetch version. Older version is not supported, please always ensure that the latest version is used.
+
+* Ubuntu: [`ppa:zhangsongcui3371/fastfetch`](https://launchpad.net/~zhangsongcui3371/+archive/ubuntu/fastfetch) (for Ubuntu 22.04 or above)
+* Debian / Ubuntu: Download `fastfetch-<version>-Linux.deb` from [Github release page](https://github.com/fastfetch-cli/fastfetch/releases/latest) and `dpkg -i fastfetch-<version>-Linux.deb` (for Ubuntu 22.04 or above and Debian 12 or above).
 * Arch Linux: `sudo pacman -S fastfetch`. You can also find fastfetch [on the AUR](https://aur.archlinux.org/packages/fastfetch-git).
 * Fedora: `sudo dnf install fastfetch`
 * Gentoo: `sudo emerge --ask app-misc/fastfetch`

src/common/commandoption.c

@@ -118,7 +118,7 @@ static void parseStructureCommand(
         }
     }
 
-    ffPrintErrorString(line, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "<no implementation provided>");
+    ffPrintError(line, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "<no implementation provided>");
 }
 
 void ffPrintCommandOption(FFdata* data, yyjson_mut_doc* jsonDoc)

src/common/format.h

@@ -24,3 +24,7 @@ typedef struct FFformatarg
 
 void ffFormatAppendFormatArg(FFstrbuf* buffer, const FFformatarg* formatarg);
 void ffParseFormatString(FFstrbuf* buffer, const FFstrbuf* formatstr, uint32_t numArgs, const FFformatarg* arguments);
+#define FF_PARSE_FORMAT_STRING_CHECKED(buffer, formatstr, numArgs, arguments) do {\
+    static_assert(sizeof(arguments) / sizeof(*(arguments)) == (numArgs), "Invalid number of format arguments");\
+    ffParseFormatString((buffer), (formatstr), (numArgs), (arguments));\
+} while (0)

src/common/jsonconfig.c

@@ -235,6 +235,6 @@ void ffPrintJsonConfig(bool prepare, yyjson_mut_doc* jsonDoc)
             yyjson_mut_doc_set_root(jsonDoc, obj);
         }
         else
-            ffPrintErrorString("JsonConfig", 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "%s", error);
+            ffPrintError("JsonConfig", 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "%s", error);
     }
 }

src/common/printing.c

@@ -37,9 +37,9 @@ void ffPrintLogoAndKey(const char* moduleName, uint8_t moduleIndex, const FFModu
     else
     {
         FF_STRBUF_AUTO_DESTROY key = ffStrbufCreate();
-        ffParseFormatString(&key, &moduleArgs->key, 1, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(&key, &moduleArgs->key, 1, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT8, &moduleIndex}
-        });
+        }));
         ffStrbufWriteTo(&key, stdout);
     }
 
@@ -60,7 +60,7 @@ void ffPrintLogoAndKey(const char* moduleName, uint8_t moduleIndex, const FFModu
     }
 }
 
-void ffPrintFormatString(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, uint32_t numArgs, const FFformatarg* arguments)
+void ffPrintFormat(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, uint32_t numArgs, const FFformatarg* arguments)
 {
     FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
     if (moduleArgs)
@@ -93,7 +93,7 @@ static void printError(const char* moduleName, uint8_t moduleIndex, const FFModu
     putchar('\n');
 }
 
-void ffPrintErrorString(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, const char* message, ...)
+void ffPrintError(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, const char* message, ...)
 {
     va_list arguments;
     va_start(arguments, message);
@@ -101,14 +101,6 @@ void ffPrintErrorString(const char* moduleName, uint8_t moduleIndex, const FFMod
     va_end(arguments);
 }
 
-void ffPrintError(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, const char* message, ...)
-{
-    va_list arguments;
-    va_start(arguments, message);
-    printError(moduleName, moduleIndex, moduleArgs, FF_PRINT_TYPE_DEFAULT, message, arguments);
-    va_end(arguments);
-}
-
 void ffPrintColor(const FFstrbuf* colorValue)
 {
     //If the color is not set, this would reset in \033[m, which resets everything.

src/common/printing.h

@@ -12,14 +12,17 @@ typedef enum FFPrintType {
 } FFPrintType;
 
 void ffPrintLogoAndKey(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType);
-void ffPrintFormatString(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, uint32_t numArgs, const FFformatarg* arguments);
-static inline void ffPrintFormat(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, uint32_t numArgs, const FFformatarg* arguments)
-{
-    ffPrintFormatString(moduleName, moduleIndex, moduleArgs, FF_PRINT_TYPE_DEFAULT, numArgs, arguments);
-}
-FF_C_PRINTF(5, 6) void ffPrintErrorString(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, const char* message, ...);
-FF_C_PRINTF(4, 5) void ffPrintError(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, const char* message, ...);
+void ffPrintFormat(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, uint32_t numArgs, const FFformatarg* arguments);
+#define FF_PRINT_FORMAT_CHECKED(moduleName, moduleIndex, moduleArgs, printType, numArgs, arguments) do {\
+    static_assert(sizeof(arguments) / sizeof(*(arguments)) == (numArgs), "Invalid number of format arguments");\
+    ffPrintFormat((moduleName), (moduleIndex), (moduleArgs), (printType), (numArgs), (arguments));\
+} while (0)
+FF_C_PRINTF(5, 6) void ffPrintError(const char* moduleName, uint8_t moduleIndex, const FFModuleArgs* moduleArgs, FFPrintType printType, const char* message, ...);
 void ffPrintColor(const FFstrbuf* colorValue);
 void ffPrintCharTimes(char c, uint32_t times);
 
 void ffPrintModuleFormatHelp(const char* name, const char* def, uint32_t numArgs, const char* args[]);
+#define FF_PRINT_MODULE_FORMAT_HELP_CHECKED(moduleName, def, numArgs, args) do {\
+    static_assert(sizeof(args) / sizeof(*(args)) == (numArgs), "Invalid number of format arguments");\
+    ffPrintModuleFormatHelp((moduleName), (def), (numArgs), (args));\
+} while (0)

src/detection/cpu/cpu_linux.c

@@ -107,6 +107,8 @@ static bool detectFrequency(FFCPUResult* cpu)
 {
     FF_STRBUF_AUTO_DESTROY path = ffStrbufCreateS("/sys/devices/system/cpu/cpufreq/");
     FF_AUTO_CLOSE_DIR DIR* dir = opendir(path.chars);
+    if (!dir) return false;
+
     FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
     uint32_t baseLen = path.length;
     bool flag = false;

src/detection/displayserver/linux/drm.c

@@ -143,7 +143,7 @@ static inline const char* drmType2Name(uint32_t connector_type)
         return "DPI";
     case DRM_MODE_CONNECTOR_WRITEBACK:
         return "Writeback";
-    case DRM_MODE_CONNECTOR_SPI:
+    case 19 /*DRM_MODE_CONNECTOR_SPI*/:
         return "SPI";
     case 20 /*DRM_MODE_CONNECTOR_USB*/:
         return "USB";
@@ -250,8 +250,8 @@ static const char* drmConnectLibdrm(FFDisplayServerResult* result)
                     drmModeCrtc* crtc = ffdrmModeGetCrtc(fd, encoder->crtc_id);
                     if (crtc)
                     {
-                        width = crtc->mode.vdisplay;
-                        height = crtc->mode.hdisplay;
+                        width = crtc->mode.hdisplay;
+                        height = crtc->mode.vdisplay;
                         refreshRate = crtc->mode.vrefresh;
                         if (refreshRate == 0)
                         {

src/detection/localip/localip.h

@@ -7,8 +7,6 @@ typedef struct FFLocalIpResult
     FFstrbuf name;
     FFstrbuf ipv4;
     FFstrbuf ipv6;
-    FFstrbuf gateway4;
-    FFstrbuf gateway6;
     FFstrbuf mac;
     bool defaultRoute;
 } FFLocalIpResult;

src/detection/localip/localip_windows.c

@@ -6,7 +6,7 @@
 #include "util/windows/unicode.h"
 #include "localip.h"
 
-static void addNewIp(FFlist* list, const char* name, const char* value, int type, bool newIp, bool gateway, bool defaultRoute)
+static void addNewIp(FFlist* list, const char* name, const char* value, int type, bool newIp, bool defaultRoute)
 {
     FFLocalIpResult* ip = NULL;
 
@@ -17,8 +17,6 @@ static void addNewIp(FFlist* list, const char* name, const char* value, int type
         ffStrbufInit(&ip->ipv4);
         ffStrbufInit(&ip->ipv6);
         ffStrbufInit(&ip->mac);
-        ffStrbufInit(&ip->gateway4);
-        ffStrbufInit(&ip->gateway6);
         ip->defaultRoute = defaultRoute;
     }
     else
@@ -29,10 +27,10 @@ static void addNewIp(FFlist* list, const char* name, const char* value, int type
     switch (type)
     {
         case AF_INET:
-            ffStrbufSetS(gateway ? &ip->gateway4 : &ip->ipv4, value);
+            ffStrbufSetS(&ip->ipv4, value);
             break;
         case AF_INET6:
-            ffStrbufSetS(gateway ? &ip->gateway6 : &ip->ipv6, value);
+            ffStrbufSetS(&ip->ipv6, value);
             break;
         case -1:
             ffStrbufSetS(&ip->mac, value);
@@ -59,7 +57,7 @@ const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results)
             options->showType & FF_LOCALIP_TYPE_IPV4_BIT
                 ? options->showType & FF_LOCALIP_TYPE_IPV6_BIT ? AF_UNSPEC : AF_INET
                 : AF_INET6,
-            GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER | (options->showType & FF_LOCALIP_TYPE_GATEWAY_BIT ? GAA_FLAG_INCLUDE_GATEWAYS : 0),
+            GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER,
             NULL,
             adapter_addresses,
             &adapter_addresses_buffer_size);
@@ -98,30 +96,10 @@ const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results)
             uint8_t* ptr = adapter->PhysicalAddress;
             snprintf(addressBuffer, sizeof(addressBuffer), "%02x:%02x:%02x:%02x:%02x:%02x",
                         ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5]);
-            addNewIp(results, name, addressBuffer, -1, newIp, false, isDefaultRoute);
+            addNewIp(results, name, addressBuffer, -1, newIp, isDefaultRoute);
             newIp = false;
         }
 
-        for (IP_ADAPTER_GATEWAY_ADDRESS_LH* ifa = adapter->FirstGatewayAddress; ifa; ifa = ifa->Next)
-        {
-            if (ifa->Address.lpSockaddr->sa_family == AF_INET)
-            {
-                SOCKADDR_IN* ipv4 = (SOCKADDR_IN*) ifa->Address.lpSockaddr;
-                char addressBuffer[INET_ADDRSTRLEN + 4];
-                inet_ntop(AF_INET, &ipv4->sin_addr, addressBuffer, INET_ADDRSTRLEN);
-                addNewIp(results, name, addressBuffer, AF_INET, newIp, true, isDefaultRoute);
-                newIp = false;
-            }
-            else if (ifa->Address.lpSockaddr->sa_family == AF_INET6)
-            {
-                SOCKADDR_IN6* ipv6 = (SOCKADDR_IN6*) ifa->Address.lpSockaddr;
-                char addressBuffer[INET6_ADDRSTRLEN];
-                inet_ntop(AF_INET6, &ipv6->sin6_addr, addressBuffer, INET6_ADDRSTRLEN);
-                addNewIp(results, name, addressBuffer, AF_INET6, newIp, true, isDefaultRoute);
-                newIp = false;
-            }
-        }
-
         for (IP_ADAPTER_UNICAST_ADDRESS* ifa = adapter->FirstUnicastAddress; ifa; ifa = ifa->Next)
         {
             if (ifa->Address.lpSockaddr->sa_family == AF_INET)
@@ -136,7 +114,7 @@ const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results)
                     snprintf(addressBuffer + len, 4, "/%u", (unsigned) ifa->OnLinkPrefixLength);
                 }
 
-                addNewIp(results, name, addressBuffer, AF_INET, newIp, false, isDefaultRoute);
+                addNewIp(results, name, addressBuffer, AF_INET, newIp, isDefaultRoute);
                 newIp = false;
             }
             else if (ifa->Address.lpSockaddr->sa_family == AF_INET6)
@@ -144,7 +122,7 @@ const char* ffDetectLocalIps(const FFLocalIpOptions* options, FFlist* results)
                 SOCKADDR_IN6* ipv6 = (SOCKADDR_IN6*) ifa->Address.lpSockaddr;
                 char addressBuffer[INET6_ADDRSTRLEN];
                 inet_ntop(AF_INET6, &ipv6->sin6_addr, addressBuffer, INET6_ADDRSTRLEN);
-                addNewIp(results, name, addressBuffer, AF_INET6, newIp, false, isDefaultRoute);
+                addNewIp(results, name, addressBuffer, AF_INET6, newIp, isDefaultRoute);
                 newIp = false;
             }
         }

src/detection/terminalshell/terminalshell_linux.c

@@ -231,6 +231,7 @@ static pid_t getShellInfo(FFShellResult* result, pid_t pid)
             ffStrEquals(name, "ltrace")              ||
             ffStrEquals(name, "perf")                ||
             ffStrEquals(name, "guake-wrapped")       ||
+            ffStrEquals(name, "SessionLeader")       || // #750
             ffStrContainsIgnCase(name, "debug")      ||
             ffStrContainsIgnCase(name, "not-found")  ||
             ffStrEndsWith(name, ".sh")

src/detection/users/users_linux.c

@@ -10,6 +10,10 @@
     #define setutxent setutent
     #define getutxent getutent
 #endif
+#ifdef __linux__
+    #include <netinet/in.h>
+    #include <arpa/inet.h>
+#endif
 
 const char* ffDetectUsers(FFlist* users)
 {
@@ -33,11 +37,11 @@ next:
         ffStrbufInitS(&user->hostName, n->ut_host);
         ffStrbufInitS(&user->sessionName, n->ut_line);
         #ifdef __linux__
-        if(n->ut_addr_v6[0] || n->ut_addr_v6[1] || n->ut_addr_v6[2] || n->ut_addr_v6[3])
-            ffStrbufInitF(&user->clientIp, "%u.%u.%u.%u", n->ut_addr_v6[0], n->ut_addr_v6[1], n->ut_addr_v6[2], n->ut_addr_v6[3]);
-        else
-        #endif
+        // https://www.linuxquestions.org/questions/programming-9/get-the-ip-addr-out-from-an-int32_t-value-287687/#post1458622
+        ffStrbufInitS(&user->clientIp, inet_ntoa((struct in_addr) { .s_addr = (in_addr_t) n->ut_addr_v6[0] }));
+        #else
         ffStrbufInit(&user->clientIp);
+        #endif
         user->loginTime = (uint64_t) n->ut_tv.tv_sec * 1000 + (uint64_t) n->ut_tv.tv_usec / 1000;
     }
 

src/detection/vulkan/vulkan.c

@@ -18,7 +18,7 @@ static inline void applyVulkanVersion(uint32_t vulkanVersion, FFVersion* ffVersi
     ffVersion->patch = VK_VERSION_PATCH(vulkanVersion);
 }
 
-static void applyDriverName(VkPhysicalDeviceDriverProperties* properties, FFstrbuf* result)
+static void applyDriverName(VkPhysicalDeviceDriverPropertiesKHR* properties, FFstrbuf* result)
 {
     if(!ffStrSet(properties->driverName))
         return;
@@ -127,8 +127,8 @@ static const char* detectVulkan(FFVulkanResult* result)
         //On VK 1.1 and up, we use vkGetPhysicalDeviceProperties2, so we can put VkPhysicalDeviceDriverProperties in the pNext chain.
         //This is required to get the driver name and conformance version.
 
-        VkPhysicalDeviceDriverProperties driverProperties = {
-            .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES,
+        VkPhysicalDeviceDriverPropertiesKHR driverProperties = {
+            .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES_KHR,
         };
         VkPhysicalDeviceProperties2 physicalDeviceProperties = {
             .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,

src/modules/battery/battery.c

@@ -7,7 +7,7 @@
 #include "modules/battery/battery.h"
 #include "util/stringUtils.h"
 
-#define FF_BATTERY_NUM_FORMAT_ARGS 8
+#define FF_BATTERY_NUM_FORMAT_ARGS 9
 
 static void printBattery(FFBatteryOptions* options, FFBatteryResult* result, uint8_t index)
 {
@@ -61,7 +61,7 @@ static void printBattery(FFBatteryOptions* options, FFBatteryResult* result, uin
         ffPercentAppendNum(&capacityStr, result->capacity, options->percent, false);
         FF_STRBUF_AUTO_DESTROY tempStr = ffStrbufCreate();
         ffTempsAppendNum(result->temperature, &tempStr, options->tempConfig);
-        ffPrintFormat(FF_BATTERY_MODULE_NAME, index, &options->moduleArgs, FF_BATTERY_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_BATTERY_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_BATTERY_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->manufacturer},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->modelName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->technology},
@@ -71,7 +71,7 @@ static void printBattery(FFBatteryOptions* options, FFBatteryResult* result, uin
             {FF_FORMAT_ARG_TYPE_UINT, &result->cycleCount},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->serial},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->manufactureDate},
-        });
+        }));
     }
 }
 
@@ -83,7 +83,7 @@ void ffPrintBattery(FFBatteryOptions* options)
 
     if (error)
     {
-        ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else
     {
@@ -100,7 +100,7 @@ void ffPrintBattery(FFBatteryOptions* options)
             ffStrbufDestroy(&result->manufactureDate);
         }
         if(results.length == 0)
-            ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, "No batteries found");
+            ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No batteries found");
     }
 }
 
@@ -155,7 +155,7 @@ void ffParseBatteryJsonObject(FFBatteryOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_BATTERY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -216,7 +216,7 @@ void ffGenerateBatteryJsonResult(FFBatteryOptions* options, yyjson_mut_doc* doc,
 
 void ffPrintBatteryHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_BATTERY_MODULE_NAME, "{4}, {5}", FF_BATTERY_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_BATTERY_MODULE_NAME, "{4}, {5}", FF_BATTERY_NUM_FORMAT_ARGS, ((const char* []) {
         "Battery manufactor",
         "Battery model",
         "Battery technology",
@@ -226,7 +226,7 @@ void ffPrintBatteryHelpFormat(void)
         "Battery cycle count",
         "Battery serial number",
         "Battery manufactor date",
-    });
+    }));
 }
 
 void ffInitBatteryOptions(FFBatteryOptions* options)

src/modules/bios/bios.c

@@ -21,13 +21,13 @@ void ffPrintBios(FFBiosOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         goto exit;
     }
 
     if(bios.version.length == 0)
     {
-        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, "bios_version is not set.");
+        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "bios_version is not set.");
         goto exit;
     }
 
@@ -43,9 +43,9 @@ void ffPrintBios(FFBiosOptions* options)
     else
     {
         ffStrbufClear(&key);
-        ffParseFormatString(&key, &options->moduleArgs.key, 3, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, 1, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.type},
-        });
+        }));
     }
 
     if(options->moduleArgs.outputFormat.length == 0)
@@ -59,13 +59,13 @@ void ffPrintBios(FFBiosOptions* options)
     }
     else
     {
-        ffPrintFormat(key.chars, 0, &options->moduleArgs, FF_BIOS_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_BIOS_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.date},
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.release},
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &bios.type},
-        });
+        }));
     }
 
 exit:
@@ -99,7 +99,7 @@ void ffParseBiosJsonObject(FFBiosOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_BIOS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -151,13 +151,13 @@ exit:
 
 void ffPrintBiosHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_BIOS_MODULE_NAME, "{4} ({2})", FF_BIOS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_BIOS_MODULE_NAME, "{4} ({2})", FF_BIOS_NUM_FORMAT_ARGS, ((const char* []) {
         "bios date",
         "bios release",
         "bios vendor",
         "bios version",
         "firmware type",
-    });
+    }));
 }
 
 void ffInitBiosOptions(FFBiosOptions* options)

src/modules/bluetooth/bluetooth.c

@@ -32,12 +32,12 @@ static void printDevice(FFBluetoothOptions* options, const FFBluetoothResult* de
         FF_STRBUF_AUTO_DESTROY percentageStr = ffStrbufCreate();
         ffPercentAppendNum(&percentageStr, device->battery, options->percent, false);
 
-        ffPrintFormat(FF_BLUETOOTH_MODULE_NAME, index, &options->moduleArgs, FF_BLUETOOTH_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_BLUETOOTH_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_BLUETOOTH_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->address},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->type},
             {FF_FORMAT_ARG_TYPE_STRBUF, &percentageStr}
-        });
+        }));
     }
 }
 
@@ -48,7 +48,7 @@ void ffPrintBluetooth(FFBluetoothOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else
     {
@@ -64,7 +64,7 @@ void ffPrintBluetooth(FFBluetoothOptions* options)
 
         if(filtered.length == 0)
         {
-            ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, "No bluetooth devices found");
+            ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No bluetooth devices found");
         }
 
         for(uint32_t i = 0; i < filtered.length; i++)
@@ -123,7 +123,7 @@ void ffParseBluetoothJsonObject(FFBluetoothOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_BLUETOOTH_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -175,12 +175,12 @@ void ffGenerateBluetoothJsonResult(FF_MAYBE_UNUSED FFBluetoothOptions* options,
 
 void ffPrintBluetoothHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_BLUETOOTH_MODULE_NAME, "{1} ({4})", FF_BLUETOOTH_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_BLUETOOTH_MODULE_NAME, "{1} ({4})", FF_BLUETOOTH_NUM_FORMAT_ARGS, ((const char* []) {
         "Name",
         "Address",
         "Type",
         "Battery percentage"
-    });
+    }));
 }
 
 void ffInitBluetoothOptions(FFBluetoothOptions* options)

src/modules/board/board.c

@@ -4,7 +4,7 @@
 #include "modules/board/board.h"
 #include "util/stringUtils.h"
 
-#define FF_BOARD_NUM_FORMAT_ARGS 3
+#define FF_BOARD_NUM_FORMAT_ARGS 4
 
 void ffPrintBoard(FFBoardOptions* options)
 {
@@ -17,13 +17,13 @@ void ffPrintBoard(FFBoardOptions* options)
     const char* error = ffDetectBoard(&result);
     if(error)
     {
-        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         goto exit;
     }
 
     if(result.name.length == 0)
     {
-        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, "board_name is not set.");
+        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "board_name is not set.");
         goto exit;
     }
 
@@ -37,12 +37,12 @@ void ffPrintBoard(FFBoardOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, FF_BOARD_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_BOARD_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.serial},
-        });
+        }));
     }
 
 exit:
@@ -75,7 +75,7 @@ void ffParseBoardJsonObject(FFBoardOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_BOARD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -124,12 +124,12 @@ exit:
 
 void ffPrintBoardHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_BOARD_MODULE_NAME, "{1} ({3})", FF_BOARD_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_BOARD_MODULE_NAME, "{1} ({3})", FF_BOARD_NUM_FORMAT_ARGS, ((const char* []) {
         "board name",
         "board vendor",
         "board version",
         "board serial number",
-    });
+    }));
 }
 
 void ffInitBoardOptions(FFBoardOptions* options)

src/modules/brightness/brightness.c

@@ -15,13 +15,13 @@ void ffPrintBrightness(FFBrightnessOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(result.length == 0)
     {
-        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, "No result is detected.");
+        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No result is detected.");
         return;
     }
 
@@ -37,10 +37,10 @@ void ffPrintBrightness(FFBrightnessOptions* options)
         else
         {
             uint32_t moduleIndex = result.length == 1 ? 0 : index + 1;
-            ffParseFormatString(&key, &options->moduleArgs.key, 2, (FFformatarg[]){
+            FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, 2, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_UINT, &moduleIndex},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->name}
-            });
+            }));
         }
 
         const double percent = (item->current - item->min) / (item->max - item->min) * 100;
@@ -69,13 +69,13 @@ void ffPrintBrightness(FFBrightnessOptions* options)
         {
             FF_STRBUF_AUTO_DESTROY valueStr = ffStrbufCreate();
             ffPercentAppendNum(&valueStr, percent, options->percent, false);
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_BRIGHTNESS_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_BRIGHTNESS_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_STRBUF, &valueStr},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->name},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &item->max},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &item->min},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &item->current},
-            });
+            }));
         }
 
         ffStrbufClear(&key);
@@ -125,7 +125,7 @@ void ffParseBrightnessJsonObject(FFBrightnessOptions* options, yyjson_val* modul
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_BRIGHTNESS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -180,13 +180,13 @@ void ffGenerateBrightnessJsonResult(FF_MAYBE_UNUSED FFBrightnessOptions* options
 
 void ffPrintBrightnessHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_BRIGHTNESS_MODULE_NAME, "{1}", FF_BRIGHTNESS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_BRIGHTNESS_MODULE_NAME, "{1}", FF_BRIGHTNESS_NUM_FORMAT_ARGS, ((const char* []) {
         "Screen brightness (percentage)",
         "Screen name",
         "Maximum brightness value",
         "Minimum brightness value",
         "Current brightness value",
-    });
+    }));
 }
 
 void ffInitBrightnessOptions(FFBrightnessOptions* options)

src/modules/camera/camera.c

@@ -5,7 +5,7 @@
 #include "modules/camera/camera.h"
 #include "util/stringUtils.h"
 
-#define FF_CAMERA_NUM_FORMAT_ARGS 5
+#define FF_CAMERA_NUM_FORMAT_ARGS 6
 
 static void printDevice(FFCameraOptions* options, const FFCameraResult* device, uint8_t index)
 {
@@ -27,14 +27,14 @@ static void printDevice(FFCameraOptions* options, const FFCameraResult* device,
     }
     else
     {
-        ffPrintFormat(FF_CAMERA_MODULE_NAME, index, &options->moduleArgs, FF_CAMERA_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_CAMERA_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_CAMERA_NUM_FORMAT_ARGS, (((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->colorspace},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->id},
             {FF_FORMAT_ARG_TYPE_UINT, &device->width},
             {FF_FORMAT_ARG_TYPE_UINT, &device->height},
-        });
+        })));
     }
 }
 
@@ -45,13 +45,13 @@ void ffPrintCamera(FFCameraOptions* options)
 
     if (error)
     {
-        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if (result.length == 0)
     {
-        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, "No camera found");
+        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No camera found");
         return;
     }
 
@@ -92,7 +92,7 @@ void ffParseCameraJsonObject(FFCameraOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CAMERA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -138,14 +138,14 @@ void ffGenerateCameraJsonResult(FF_MAYBE_UNUSED FFCameraOptions* options, yyjson
 
 void ffPrintCameraHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_CAMERA_MODULE_NAME, "{1} ({4}px x {5}px)", FF_CAMERA_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_CAMERA_MODULE_NAME, "{1} ({4}px x {5}px)", FF_CAMERA_NUM_FORMAT_ARGS, ((const char* []) {
         "Device name",
         "Vendor",
         "Color space",
         "Identifier",
         "Width (in px)",
         "Height (in px)",
-    });
+    }));
 }
 
 void ffInitCameraOptions(FFCameraOptions* options)

src/modules/chassis/chassis.c

@@ -4,7 +4,7 @@
 #include "modules/chassis/chassis.h"
 #include "util/stringUtils.h"
 
-#define FF_CHASSIS_NUM_FORMAT_ARGS 3
+#define FF_CHASSIS_NUM_FORMAT_ARGS 4
 
 void ffPrintChassis(FFChassisOptions* options)
 {
@@ -18,13 +18,13 @@ void ffPrintChassis(FFChassisOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         goto exit;
     }
 
     if(result.type.length == 0)
     {
-        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, "chassis_type is not set by O.E.M.");
+        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "chassis_type is not set by O.E.M.");
         goto exit;
     }
 
@@ -38,12 +38,12 @@ void ffPrintChassis(FFChassisOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, FF_CHASSIS_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_CHASSIS_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.type},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.serial},
-        });
+        }));
     }
 
 exit:
@@ -76,7 +76,7 @@ void ffParseChassisJsonObject(FFChassisOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CHASSIS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -125,12 +125,12 @@ exit:
 
 void ffPrintChassisHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_CHASSIS_MODULE_NAME, "{1}", FF_CHASSIS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_CHASSIS_MODULE_NAME, "{1}", FF_CHASSIS_NUM_FORMAT_ARGS, ((const char* []) {
         "chassis type",
         "chassis vendor",
         "chassis version",
         "chassis serial number",
-    });
+    }));
 }
 
 void ffInitChassisOptions(FFChassisOptions* options)

src/modules/colors/colors.c

@@ -88,7 +88,7 @@ void ffPrintColors(FFColorsOptions* options)
 
     if (!flag)
     {
-        ffPrintError(FF_COLORS_MODULE_NAME, 0, &options->moduleArgs, "%s", "Nothing to print");
+        ffPrintError(FF_COLORS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", "Nothing to print");
     }
 }
 
@@ -166,7 +166,7 @@ void ffParseColorsJsonObject(FFColorsOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s value: %s", key, error);
             else
                 options->symbol = (FFColorsSymbol) value;
             continue;
@@ -181,7 +181,7 @@ void ffParseColorsJsonObject(FFColorsOptions* options, yyjson_val* module)
         if (ffStrEqualsIgnCase(key, "block"))
         {
             if (!yyjson_is_obj(val))
-                ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s value: must be an object", key);
+                ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s value: must be an object", key);
             else
             {
                 yyjson_val* width = yyjson_obj_get(val, "width");
@@ -192,15 +192,15 @@ void ffParseColorsJsonObject(FFColorsOptions* options, yyjson_val* module)
                 if (range)
                 {
                     if (!yyjson_is_arr(range) || yyjson_arr_size(range) != 2)
-                        ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: must be an array of 2 elements", key);
+                        ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: must be an array of 2 elements", key);
                     else
                     {
                         uint8_t start = (uint8_t) yyjson_get_uint(yyjson_arr_get(range, 0));
                         uint8_t end = (uint8_t) yyjson_get_uint(yyjson_arr_get(range, 1));
                         if (start > end)
-                            ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: range[0] > range[1]", key);
+                            ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: range[0] > range[1]", key);
                         else if (end > 15)
-                            ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: range[1] > 15", key);
+                            ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Invalid %s.range value: range[1] > 15", key);
                         else
                         {
                             options->block.range[0] = start;
@@ -212,7 +212,7 @@ void ffParseColorsJsonObject(FFColorsOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintErrorString(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
+        ffPrintError(FF_COLORS_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
     }
 }
 

src/modules/command/command.c

@@ -22,13 +22,13 @@ void ffPrintCommand(FFCommandOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(!result.length)
     {
-        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, "No result printed");
+        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No result printed");
         return;
     }
 
@@ -39,9 +39,9 @@ void ffPrintCommand(FFCommandOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, FF_COMMAND_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_COMMAND_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &result}
-        });
+        }));
     }
 }
 
@@ -92,7 +92,7 @@ void ffParseCommandJsonObject(FFCommandOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_COMMAND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -141,9 +141,9 @@ void ffGenerateCommandJsonResult(FF_MAYBE_UNUSED FFCommandOptions* options, yyjs
 
 void ffPrintCommandHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_COMMAND_MODULE_NAME, "{1}", FF_COMMAND_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_COMMAND_MODULE_NAME, "{1}", FF_COMMAND_NUM_FORMAT_ARGS, ((const char* []) {
         "Command result"
-    });
+    }));
 }
 
 void ffInitCommandOptions(FFCommandOptions* options)

src/modules/cpu/cpu.c

@@ -21,11 +21,11 @@ void ffPrintCPU(FFCPUOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else if(cpu.vendor.length == 0 && cpu.name.length == 0 && cpu.coresOnline <= 1)
     {
-        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, "No CPU detected");
+        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No CPU detected");
     }
     else
     {
@@ -63,7 +63,7 @@ void ffPrintCPU(FFCPUOptions* options)
         {
             FF_STRBUF_AUTO_DESTROY tempStr = ffStrbufCreate();
             ffTempsAppendNum(cpu.temperature, &tempStr, options->tempConfig);
-            ffPrintFormat(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, FF_CPU_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_CPU_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &cpu.name},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &cpu.vendor},
                 {FF_FORMAT_ARG_TYPE_UINT16, &cpu.coresPhysical},
@@ -72,7 +72,7 @@ void ffPrintCPU(FFCPUOptions* options)
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &cpu.frequencyMin},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &cpu.frequencyMax},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &tempStr}
-            });
+            }));
         }
     }
 
@@ -121,7 +121,7 @@ void ffParseCPUJsonObject(FFCPUOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -181,7 +181,7 @@ void ffGenerateCPUJsonResult(FFCPUOptions* options, yyjson_mut_doc* doc, yyjson_
 
 void ffPrintCPUHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_CPU_MODULE_NAME, "{1} ({5}) @ {7} GHz", FF_CPU_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_CPU_MODULE_NAME, "{1} ({5}) @ {7} GHz", FF_CPU_NUM_FORMAT_ARGS, ((const char* []) {
         "Name",
         "Vendor",
         "Physical core count",
@@ -190,7 +190,7 @@ void ffPrintCPUHelpFormat(void)
         "Min frequency",
         "Max frequency",
         "Temperature (formatted)"
-    });
+    }));
 }
 
 void ffInitCPUOptions(FFCPUOptions* options)

src/modules/cpuusage/cpuusage.c

@@ -15,7 +15,7 @@ void ffPrintCPUUsage(FFCPUUsageOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_CPUUSAGE_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_CPUUSAGE_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -79,13 +79,13 @@ void ffPrintCPUUsage(FFCPUUsageOptions* options)
         ffPercentAppendNum(&minStr, minValue, options->percent, false);
         FF_STRBUF_AUTO_DESTROY maxStr = ffStrbufCreate();
         ffPercentAppendNum(&maxStr, maxValue, options->percent, false);
-        ffPrintFormat(FF_CPUUSAGE_DISPLAY_NAME, 0, &options->moduleArgs, FF_CPUUSAGE_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_CPUUSAGE_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_CPUUSAGE_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &avgStr},
             {FF_FORMAT_ARG_TYPE_STRBUF, &maxStr},
             {FF_FORMAT_ARG_TYPE_UINT, &maxIndex},
             {FF_FORMAT_ARG_TYPE_STRBUF, &minStr},
             {FF_FORMAT_ARG_TYPE_UINT, &minIndex},
-        });
+        }));
     }
 }
 
@@ -130,7 +130,7 @@ void ffParseCPUUsageJsonObject(FFCPUUsageOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_CPUUSAGE_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CPUUSAGE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -166,13 +166,13 @@ void ffGenerateCPUUsageJsonResult(FF_MAYBE_UNUSED FFCPUUsageOptions* options, yy
 
 void ffPrintCPUUsageHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_CPUUSAGE_MODULE_NAME, "{1}", FF_CPUUSAGE_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_CPUUSAGE_MODULE_NAME, "{1}", FF_CPUUSAGE_NUM_FORMAT_ARGS, ((const char* []) {
         "CPU usage (percentage, average)",
         "CPU usage (percentage, maximum)",
         "CPU core index of maximum usage",
         "CPU usage (percentage, minimum)",
         "CPU core index of minimum usage",
-    });
+    }));
 }
 
 void ffInitCPUUsageOptions(FFCPUUsageOptions* options)

src/modules/cursor/cursor.c

@@ -16,7 +16,7 @@ void ffPrintCursor(FFCursorOptions* options)
     ffDetectCursor(&result);
 
     if(result.error.length)
-        ffPrintError(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, "%s", result.error.chars);
+        ffPrintError(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", result.error.chars);
     else
     {
         ffStrbufRemoveIgnCaseEndS(&result.theme, "cursors");
@@ -38,10 +38,10 @@ void ffPrintCursor(FFCursorOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, FF_CURSOR_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_CURSOR_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_STRBUF, &result.theme},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &result.size}
-            });
+            }));
         }
     }
 
@@ -73,7 +73,7 @@ void ffParseCursorJsonObject(FFCursorOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CURSOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -112,10 +112,10 @@ void ffGenerateCursorJsonResult(FF_MAYBE_UNUSED FFCursorOptions* options, yyjson
 
 void ffPrintCursorHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_CURSOR_MODULE_NAME, "{1} ({2}px)", FF_CURSOR_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_CURSOR_MODULE_NAME, "{1} ({2}px)", FF_CURSOR_NUM_FORMAT_ARGS, ((const char* []) {
         "Cursor theme",
         "Cursor size"
-    });
+    }));
 }
 
 void ffInitCursorOptions(FFCursorOptions* options)

src/modules/custom/custom.c

@@ -8,7 +8,7 @@ void ffPrintCustom(FFCustomOptions* options)
 {
     if (options->moduleArgs.outputFormat.length == 0)
     {
-        ffPrintError(FF_CUSTOM_MODULE_NAME, 0, &options->moduleArgs, "output format must be set for custom module");
+        ffPrintError(FF_CUSTOM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "output format must be set for custom module");
         return;
     }
 
@@ -48,7 +48,7 @@ void ffParseCustomJsonObject(FFCustomOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_CUSTOM_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_CUSTOM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 

src/modules/datetime/datetime.c

@@ -65,7 +65,7 @@ void ffPrintDateTimeFormat(struct tm* tm, const FFModuleArgs* moduleArgs)
     strftime(result.offsetFromUtc, sizeof(result.offsetFromUtc), "%z", tm);
     strftime(result.timezoneName, sizeof(result.timezoneName), "%Z", tm);
 
-    ffPrintFormat(FF_DATETIME_DISPLAY_NAME, 0, moduleArgs, FF_DATETIME_NUM_FORMAT_ARGS, (FFformatarg[]) {
+    FF_PRINT_FORMAT_CHECKED(FF_DATETIME_DISPLAY_NAME, 0, moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_DATETIME_NUM_FORMAT_ARGS, ((FFformatarg[]) {
         {FF_FORMAT_ARG_TYPE_UINT16, &result.year}, // 1
         {FF_FORMAT_ARG_TYPE_UINT8, &result.yearShort}, // 2
         {FF_FORMAT_ARG_TYPE_UINT8, &result.month}, // 3
@@ -88,7 +88,7 @@ void ffPrintDateTimeFormat(struct tm* tm, const FFModuleArgs* moduleArgs)
         {FF_FORMAT_ARG_TYPE_STRING, result.secondPretty}, // 20
         {FF_FORMAT_ARG_TYPE_STRING, result.offsetFromUtc}, // 21
         {FF_FORMAT_ARG_TYPE_STRING, result.timezoneName}, // 22
-    });
+    }));
 }
 
 void ffPrintDateTime(FFDateTimeOptions* options)
@@ -106,7 +106,7 @@ void ffPrintDateTime(FFDateTimeOptions* options)
     char buffer[32];
     if (strftime(buffer, sizeof(buffer), "%F %T", tm) == 0) //yyyy-MM-dd HH:mm:ss
     {
-        ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, "strftime() failed");
+        ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "strftime() failed");
         return;
     }
 
@@ -138,7 +138,7 @@ void ffParseDateTimeJsonObject(FFDateTimeOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_DATETIME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -157,7 +157,7 @@ void ffGenerateDateTimeJsonResult(FF_MAYBE_UNUSED FFDateTimeOptions* options, yy
 
 void ffPrintDateTimeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_DATETIME_MODULE_NAME, "{1}-{4}-{11} {14}:{18}:{20}", FF_DATETIME_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DATETIME_MODULE_NAME, "{1}-{4}-{11} {14}:{18}:{20}", FF_DATETIME_NUM_FORMAT_ARGS, ((const char* []) {
         "year",
         "last two digits of year",
         "month",
@@ -180,7 +180,7 @@ void ffPrintDateTimeHelpFormat(void)
         "second with leading zero",
         "offset from UTC in the ISO 8601 format",
         "locale-dependent timezone name or abbreviation",
-    });
+    }));
 }
 
 void ffInitDateTimeOptions(FFDateTimeOptions* options)

src/modules/de/de.c

@@ -13,7 +13,7 @@ void ffPrintDE(FFDEOptions* options)
 
     if(result->dePrettyName.length == 0)
     {
-        ffPrintError(FF_DE_MODULE_NAME, 0, &options->moduleArgs, "No DE found");
+        ffPrintError(FF_DE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No DE found");
         return;
     }
 
@@ -36,11 +36,11 @@ void ffPrintDE(FFDEOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_DE_MODULE_NAME, 0, &options->moduleArgs, FF_DE_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_DE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_DE_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->deProcessName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->dePrettyName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &version}
-        });
+        }));
     }
 }
 
@@ -79,7 +79,7 @@ void ffParseDEJsonObject(FFDEOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_DE_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_DE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -115,11 +115,11 @@ void ffGenerateDEJsonResult(FF_MAYBE_UNUSED FFDEOptions* options, yyjson_mut_doc
 
 void ffPrintDEHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_DE_MODULE_NAME, "{2} {3}", FF_DE_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DE_MODULE_NAME, "{2} {3}", FF_DE_NUM_FORMAT_ARGS, ((const char* []) {
         "DE process name",
         "DE pretty name",
         "DE version"
-    });
+    }));
 }
 
 void ffInitDEOptions(FFDEOptions* options)

src/modules/disk/disk.c

@@ -34,11 +34,11 @@ static void printDisk(FFDiskOptions* options, const FFDisk* disk)
     }
     else
     {
-        ffParseFormatString(&key, &options->moduleArgs.key, 3, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, 3, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->mountpoint},
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->mountFrom},
-        });
+        }));
     }
 
     FF_STRBUF_AUTO_DESTROY usedPretty = ffStrbufCreate();
@@ -112,7 +112,7 @@ static void printDisk(FFDiskOptions* options, const FFDisk* disk)
         bool isExternal = !!(disk->type & FF_DISK_VOLUME_TYPE_EXTERNAL_BIT);
         bool isHidden = !!(disk->type & FF_DISK_VOLUME_TYPE_HIDDEN_BIT);
         bool isReadOnly = !!(disk->type & FF_DISK_VOLUME_TYPE_READONLY_BIT);
-        ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISK_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISK_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &usedPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &totalPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &bytesPercentageStr},
@@ -124,7 +124,7 @@ static void printDisk(FFDiskOptions* options, const FFDisk* disk)
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->filesystem},
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->name},
             {FF_FORMAT_ARG_TYPE_BOOL, &isReadOnly},
-        });
+        }));
     }
 }
 
@@ -139,7 +139,7 @@ static void printMountpoint(FFDiskOptions* options, const FFlist* disks, const c
         }
     }
 
-    ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, "No disk found for mountpoint: %s", mountpoint);
+    ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No disk found for mountpoint: %s", mountpoint);
 }
 
 static void printMountpoints(FFDiskOptions* options, const FFlist* disks)
@@ -183,7 +183,7 @@ void ffPrintDisk(FFDiskOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else
     {
@@ -360,7 +360,7 @@ void ffParseDiskJsonObject(FFDiskOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_DISK_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -453,7 +453,7 @@ void ffGenerateDiskJsonResult(FFDiskOptions* options, yyjson_mut_doc* doc, yyjso
 
 void ffPrintDiskHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_DISK_MODULE_NAME, "{1} / {2} ({3}) - {9}", FF_DISK_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DISK_MODULE_NAME, "{1} / {2} ({3}) - {9}", FF_DISK_NUM_FORMAT_ARGS, ((const char* []) {
         "Size used",
         "Size total",
         "Size percentage",
@@ -462,8 +462,10 @@ void ffPrintDiskHelpFormat(void)
         "Files percentage",
         "True if external volume",
         "True if hidden volume",
-        "Filesystem"
-    });
+        "Filesystem",
+        "Label / name",
+        "True if read-only",
+    }));
 }
 
 void ffInitDiskOptions(FFDiskOptions* options)

src/modules/diskio/diskio.c

@@ -22,11 +22,11 @@ static void formatKey(const FFDiskIOOptions* options, FFDiskIOResult* dev, uint3
     else
     {
         ffStrbufClear(key);
-        ffParseFormatString(key, &options->moduleArgs.key, 2, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(key, &options->moduleArgs.key, 3, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &index},
             {FF_FORMAT_ARG_TYPE_STRBUF, &dev->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &dev->devPath},
-        });
+        }));
     }
 }
 
@@ -37,7 +37,7 @@ void ffPrintDiskIO(FFDiskIOOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_DISKIO_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_DISKIO_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -74,7 +74,7 @@ void ffPrintDiskIO(FFDiskIOOptions* options)
             ffParseSize(dev->bytesWritten, &buffer2);
             if (!options->detectTotal) ffStrbufAppendS(&buffer, "/s");
 
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISKIO_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISKIO_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &buffer},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &buffer2},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &dev->name},
@@ -83,7 +83,7 @@ void ffPrintDiskIO(FFDiskIOOptions* options)
                 {FF_FORMAT_ARG_TYPE_UINT64, &dev->bytesWritten},
                 {FF_FORMAT_ARG_TYPE_UINT64, &dev->readCount},
                 {FF_FORMAT_ARG_TYPE_UINT64, &dev->writeCount},
-            });
+            }));
         }
         ++index;
     }
@@ -142,7 +142,7 @@ void ffParseDiskIOJsonObject(FFDiskIOOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_DISKIO_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_DISKIO_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -192,7 +192,7 @@ void ffGenerateDiskIOJsonResult(FFDiskIOOptions* options, yyjson_mut_doc* doc, y
 
 void ffPrintDiskIOHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_DISKIO_MODULE_NAME, "{1} (R) - {2} (W)", FF_DISKIO_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DISKIO_MODULE_NAME, "{1} (R) - {2} (W)", FF_DISKIO_NUM_FORMAT_ARGS, ((const char* []) {
         "Size of data read [per second] (formatted)",
         "Size of data written [per second] (formatted)",
         "Device name",
@@ -201,7 +201,7 @@ void ffPrintDiskIOHelpFormat(void)
         "Size of data written [per second] (in bytes)",
         "Number of reads",
         "Number of writes",
-    });
+    }));
 }
 
 void ffInitDiskIOOptions(FFDiskIOOptions* options)

src/modules/display/display.c

@@ -4,7 +4,7 @@
 #include "modules/display/display.h"
 #include "util/stringUtils.h"
 
-#define FF_DISPLAY_NUM_FORMAT_ARGS 8
+#define FF_DISPLAY_NUM_FORMAT_ARGS 9
 
 static int sortByNameAsc(FFDisplayResult* a, FFDisplayResult* b)
 {
@@ -22,7 +22,7 @@ void ffPrintDisplay(FFDisplayOptions* options)
 
     if(dsResult->displays.length == 0)
     {
-        ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, "Couldn't detect display");
+        ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Couldn't detect display");
         return;
     }
 
@@ -89,11 +89,11 @@ void ffPrintDisplay(FFDisplayOptions* options)
         }
         else
         {
-            ffParseFormatString(&key, &options->moduleArgs.key, 3, (FFformatarg[]){
+            FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, 3, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_UINT, &moduleIndex},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &result->name},
                 {FF_FORMAT_ARG_TYPE_STRING, displayType},
-            });
+            }));
         }
 
         if(options->moduleArgs.outputFormat.length == 0)
@@ -125,7 +125,7 @@ void ffPrintDisplay(FFDisplayOptions* options)
         }
         else
         {
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISPLAY_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISPLAY_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_UINT, &result->width},
                 {FF_FORMAT_ARG_TYPE_UINT, &result->height},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &result->refreshRate},
@@ -135,7 +135,7 @@ void ffPrintDisplay(FFDisplayOptions* options)
                 {FF_FORMAT_ARG_TYPE_STRING, displayType},
                 {FF_FORMAT_ARG_TYPE_UINT, &result->rotation},
                 {FF_FORMAT_ARG_TYPE_BOOL, &result->primary},
-            });
+            }));
         }
     }
 }
@@ -205,7 +205,7 @@ void ffParseDisplayJsonObject(FFDisplayOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid %s value: %s", key, error);
             else
                 options->compactType = (FFDisplayCompactType) value;
             continue;
@@ -227,13 +227,13 @@ void ffParseDisplayJsonObject(FFDisplayOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid %s value: %s", key, error);
             else
                 options->order = (FFDisplayOrder) value;
             continue;
         }
 
-        ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_DISPLAY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -309,7 +309,7 @@ void ffGenerateDisplayJsonResult(FF_MAYBE_UNUSED FFDisplayOptions* options, yyjs
 
 void ffPrintDisplayHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_DISPLAY_MODULE_NAME, "{1}x{2} @ {3}Hz (as {4}x{5}) [{7}]", FF_DISPLAY_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_DISPLAY_MODULE_NAME, "{1}x{2} @ {3}Hz (as {4}x{5}) [{7}]", FF_DISPLAY_NUM_FORMAT_ARGS, ((const char* []) {
         "Screen width (in pixels)",
         "Screen height (in pixels)",
         "Screen refresh rate (in Hz)",
@@ -318,7 +318,8 @@ void ffPrintDisplayHelpFormat(void)
         "Screen name",
         "Screen type (builtin, external or unknown)",
         "Screen rotation (in degrees)",
-    });
+        "True if being the primary screen",
+    }));
 }
 
 void ffInitDisplayOptions(FFDisplayOptions* options)

src/modules/font/font.c

@@ -17,7 +17,7 @@ void ffPrintFont(FFFontOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else
     {
@@ -28,13 +28,13 @@ void ffPrintFont(FFFontOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, FF_FONT_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            FF_PRINT_FORMAT_CHECKED(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_FONT_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_STRBUF, &font.fonts[0]},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &font.fonts[1]},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &font.fonts[2]},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &font.fonts[3]},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &font.display},
-            });
+            }));
         }
     }
 
@@ -66,7 +66,7 @@ void ffParseFontJsonObject(FFFontOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_FONT_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -106,13 +106,13 @@ void ffGenerateFontJsonResult(FF_MAYBE_UNUSED FFFontOptions* options, yyjson_mut
 
 void ffPrintFontHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_FONT_MODULE_NAME, "{5}", FF_FONT_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_FONT_MODULE_NAME, "{5}", FF_FONT_NUM_FORMAT_ARGS, ((const char* []) {
         "Font 1",
         "Font 2",
         "Font 3",
         "Font 4",
         "Combined fonts"
-    });
+    }));
 }
 
 void ffInitFontOptions(FFFontOptions* options)

src/modules/gamepad/gamepad.c

@@ -5,7 +5,7 @@
 #include "modules/gamepad/gamepad.h"
 #include "util/stringUtils.h"
 
-#define FF_GAMEPAD_NUM_FORMAT_ARGS 2
+#define FF_GAMEPAD_NUM_FORMAT_ARGS 3
 
 static void printDevice(FFGamepadOptions* options, const FFGamepadDevice* device, uint8_t index)
 {
@@ -28,11 +28,11 @@ static void printDevice(FFGamepadOptions* options, const FFGamepadDevice* device
         FF_STRBUF_AUTO_DESTROY percentageStr = ffStrbufCreate();
         ffPercentAppendNum(&percentageStr, device->battery, options->percent, false);
 
-        ffPrintFormat(FF_GAMEPAD_MODULE_NAME, index, &options->moduleArgs, FF_GAMEPAD_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_GAMEPAD_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_GAMEPAD_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->serial},
             {FF_FORMAT_ARG_TYPE_STRBUF, &percentageStr},
-        });
+        }));
     }
 }
 
@@ -44,13 +44,13 @@ void ffPrintGamepad(FFGamepadOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(!result.length)
     {
-        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, "No devices detected");
+        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No devices detected");
         return;
     }
 
@@ -92,7 +92,7 @@ void ffParseGamepadJsonObject(FFGamepadOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_GAMEPAD_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -141,11 +141,11 @@ void ffGenerateGamepadJsonResult(FF_MAYBE_UNUSED FFGamepadOptions* options, yyjs
 
 void ffPrintGamepadHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_GAMEPAD_MODULE_NAME, "{1} ({3})", FF_GAMEPAD_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_GAMEPAD_MODULE_NAME, "{1} ({3})", FF_GAMEPAD_NUM_FORMAT_ARGS, ((const char* []) {
         "Name",
         "Serial number",
         "Battery percentage",
-    });
+    }));
 }
 
 void ffInitGamepadOptions(FFGamepadOptions* options)

src/modules/gpu/gpu.c

@@ -75,7 +75,7 @@ static void printGPUResult(FFGPUOptions* options, uint8_t index, const FFGPUResu
     {
         FF_STRBUF_AUTO_DESTROY tempStr = ffStrbufCreate();
         ffTempsAppendNum(gpu->temperature, &tempStr, options->tempConfig);
-        ffPrintFormat(FF_GPU_MODULE_NAME, index, &options->moduleArgs, FF_GPU_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_GPU_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_GPU_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->driver},
@@ -88,7 +88,7 @@ static void printGPUResult(FFGPUOptions* options, uint8_t index, const FFGPUResu
             {FF_FORMAT_ARG_TYPE_UINT64, &gpu->shared.used},
             {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->platformApi},
             {FF_FORMAT_ARG_TYPE_DOUBLE, &gpu->frequency},
-        });
+        }));
     }
 }
 
@@ -98,7 +98,7 @@ void ffPrintGPU(FFGPUOptions* options)
     const char* error = ffDetectGPU(options, &gpus);
     if (error)
     {
-        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -120,7 +120,7 @@ void ffPrintGPU(FFGPUOptions* options)
         printGPUResult(options, selectedGPUs.length == 1 ? 0 : (uint8_t) (i + 1), * (const FFGPUResult**) ffListGet(&selectedGPUs, i));
 
     if(selectedGPUs.length == 0)
-        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, "No GPUs found");
+        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No GPUs found");
 
     FF_LIST_FOR_EACH(FFGPUResult, gpu, gpus)
     {
@@ -206,7 +206,7 @@ void ffParseGPUJsonObject(FFGPUOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid %s value: %s", key, error);
             else
                 options->hideType = (FFGPUType) value;
             continue;
@@ -215,7 +215,7 @@ void ffParseGPUJsonObject(FFGPUOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_GPU_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -332,7 +332,7 @@ void ffGenerateGPUJsonResult(FFGPUOptions* options, yyjson_mut_doc* doc, yyjson_
 
 void ffPrintGPUHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_GPU_MODULE_NAME, "{1} {2}", FF_GPU_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_GPU_MODULE_NAME, "{1} {2}", FF_GPU_NUM_FORMAT_ARGS, ((const char* []) {
         "GPU vendor",
         "GPU name",
         "GPU driver",
@@ -345,7 +345,7 @@ void ffPrintGPUHelpFormat(void)
         "GPU used shared memory",
         "The platform API that GPU supports",
         "Current frequency in GHz",
-    });
+    }));
 }
 
 void ffInitGPUOptions(FFGPUOptions* options)

src/modules/host/host.c

@@ -20,13 +20,13 @@ void ffPrintHost(FFHostOptions* options)
     const char* error = ffDetectHost(&host);
     if(error)
     {
-        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         goto exit;
     }
 
     if(host.family.length == 0 && host.name.length == 0)
     {
-        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, "neither product_family nor product_name is set by O.E.M.");
+        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "neither product_family nor product_name is set by O.E.M.");
         goto exit;
     }
 
@@ -48,7 +48,7 @@ void ffPrintHost(FFHostOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_HOST_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_HOST_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.family},
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.version},
@@ -56,7 +56,7 @@ void ffPrintHost(FFHostOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.vendor},
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.serial},
             {FF_FORMAT_ARG_TYPE_STRBUF, &host.uuid},
-        });
+        }));
     }
 
 exit:
@@ -92,7 +92,7 @@ void ffParseHostJsonObject(FFHostOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_HOST_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -149,7 +149,7 @@ exit:
 
 void ffPrintHostHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_HOST_MODULE_NAME, "{2} {3}", FF_HOST_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_HOST_MODULE_NAME, "{2} {3}", FF_HOST_NUM_FORMAT_ARGS, ((const char* []) {
         "product family",
         "product name",
         "product version",
@@ -157,7 +157,7 @@ void ffPrintHostHelpFormat(void)
         "product vendor",
         "product serial number",
         "product uuid",
-    });
+    }));
 }
 
 void ffInitHostOptions(FFHostOptions* options)

src/modules/icons/icons.c

@@ -13,7 +13,7 @@ void ffPrintIcons(FFIconsOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -24,9 +24,9 @@ void ffPrintIcons(FFIconsOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, FF_ICONS_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_ICONS_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &icons}
-        });
+        }));
     }
 }
 
@@ -53,7 +53,7 @@ void ffParseIconsJsonObject(FFIconsOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_ICONS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -81,9 +81,9 @@ void ffGenerateIconsJsonResult(FF_MAYBE_UNUSED FFIconsOptions* options, yyjson_m
 
 void ffPrintIconsHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_ICONS_MODULE_NAME, "{1}", FF_ICONS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_ICONS_MODULE_NAME, "{1}", FF_ICONS_NUM_FORMAT_ARGS, ((const char* []) {
         "Combined icons"
-    });
+    }));
 }
 
 void ffInitIconsOptions(FFIconsOptions* options)

src/modules/kernel/kernel.c

@@ -3,7 +3,7 @@
 #include "modules/kernel/kernel.h"
 #include "util/stringUtils.h"
 
-#define FF_KERNEL_NUM_FORMAT_ARGS 4
+#define FF_KERNEL_NUM_FORMAT_ARGS 5
 
 void ffPrintKernel(FFKernelOptions* options)
 {
@@ -20,13 +20,13 @@ void ffPrintKernel(FFKernelOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_KERNEL_MODULE_NAME, 0, &options->moduleArgs, FF_KERNEL_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_KERNEL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_KERNEL_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &platform->systemName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &platform->systemRelease},
             {FF_FORMAT_ARG_TYPE_STRBUF, &platform->systemVersion},
             {FF_FORMAT_ARG_TYPE_STRBUF, &platform->systemArchitecture},
             {FF_FORMAT_ARG_TYPE_STRBUF, &platform->systemDisplayVersion}
-        });
+        }));
     }
 }
 
@@ -53,7 +53,7 @@ void ffParseKernelJsonObject(FFKernelOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_KERNEL_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_KERNEL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -77,11 +77,13 @@ void ffGenerateKernelJsonResult(FF_MAYBE_UNUSED FFKernelOptions* options, yyjson
 
 void ffPrintKernelHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_KERNEL_MODULE_NAME, "{2}", FF_KERNEL_NUM_FORMAT_ARGS, (const char* []) {
-        "Kernel sysname",
-        "Kernel release",
-        "Kernel version"
-    });
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_KERNEL_MODULE_NAME, "{2}", FF_KERNEL_NUM_FORMAT_ARGS, ((const char* []) {
+        "Sysname",
+        "Release",
+        "Version",
+        "Architecture",
+        "Display version",
+    }));
 }
 
 void ffInitKernelOptions(FFKernelOptions* options)

src/modules/lm/lm.c

@@ -16,13 +16,13 @@ void ffPrintLM(FFLMOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(result.service.length == 0)
     {
-        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, "No LM service found");
+        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No LM service found");
         return;
     }
 
@@ -38,11 +38,11 @@ void ffPrintLM(FFLMOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_LM_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_LM_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.service},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.type},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.version},
-        });
+        }));
     }
     ffStrbufDestroy(&result.service);
     ffStrbufDestroy(&result.type);
@@ -72,7 +72,7 @@ void ffParseLMJsonObject(FFLMOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_LM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -117,11 +117,11 @@ exit:
 
 void ffPrintLMHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_LM_MODULE_NAME, "{1} {3} ({2})", FF_LM_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_LM_MODULE_NAME, "{1} {3} ({2})", FF_LM_NUM_FORMAT_ARGS, ((const char* []) {
         "LM service",
         "LM type",
         "LM version"
-    });
+    }));
 }
 
 void ffInitLMOptions(FFLMOptions* options)

src/modules/locale/locale.c

@@ -13,7 +13,7 @@ void ffPrintLocale(FFLocaleOptions* options)
     ffDetectLocale(&locale);
     if(locale.length == 0)
     {
-        ffPrintError(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, "No locale found");
+        ffPrintError(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No locale found");
         return;
     }
 
@@ -24,9 +24,9 @@ void ffPrintLocale(FFLocaleOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, FF_LOCALE_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_LOCALE_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &locale}
-        });
+        }));
     }
 }
 
@@ -53,7 +53,7 @@ void ffParseLocaleJsonObject(FFLocaleOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_LOCALE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -81,9 +81,9 @@ void ffGenerateLocaleJsonResult(FF_MAYBE_UNUSED FFLocaleOptions* options, yyjson
 
 void ffPrintLocaleHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_LOCALE_MODULE_NAME, "{1}", FF_LOCALE_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_LOCALE_MODULE_NAME, "{1}", FF_LOCALE_NUM_FORMAT_ARGS, ((const char* []) {
         "Locale code"
-    });
+    }));
 }
 
 void ffInitLocaleOptions(FFLocaleOptions* options)

src/modules/localip/localip.c

@@ -5,7 +5,7 @@
 #include "util/stringUtils.h"
 
 #define FF_LOCALIP_DISPLAY_NAME "Local IP"
-#define FF_LOCALIP_NUM_FORMAT_ARGS 7
+#define FF_LOCALIP_NUM_FORMAT_ARGS 5
 #pragma GCC diagnostic ignored "-Wsign-conversion"
 
 static int sortIps(const FFLocalIpResult* left, const FFLocalIpResult* right)
@@ -25,11 +25,11 @@ static void formatKey(const FFLocalIpOptions* options, FFLocalIpResult* ip, uint
     else
     {
         ffStrbufClear(key);
-        ffParseFormatString(key, &options->moduleArgs.key, 3, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(key, &options->moduleArgs.key, 3, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &index},
             {FF_FORMAT_ARG_TYPE_STRBUF, &ip->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &ip->mac},
-        });
+        }));
     }
 }
 
@@ -40,18 +40,12 @@ static void printIp(FFLocalIpResult* ip, bool markDefaultRoute)
     {
         ffStrbufWriteTo(&ip->ipv4, stdout);
         flag = true;
-
-        if (ip->gateway4.length)
-            printf(" [%s]", ip->gateway4.chars);
     }
     if (ip->ipv6.length)
     {
         if (flag) putchar(' ');
         ffStrbufWriteTo(&ip->ipv6, stdout);
         flag = true;
-
-        if (ip->gateway6.length)
-            printf(" [%s]", ip->gateway6.chars);
     }
     if (ip->mac.length)
     {
@@ -72,13 +66,13 @@ void ffPrintLocalIp(FFLocalIpOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_LOCALIP_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_LOCALIP_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(results.length == 0)
     {
-        ffPrintError(FF_LOCALIP_DISPLAY_NAME, 0, &options->moduleArgs, "Failed to detect any IPs");
+        ffPrintError(FF_LOCALIP_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Failed to detect any IPs");
         return;
     }
 
@@ -116,15 +110,13 @@ void ffPrintLocalIp(FFLocalIpOptions* options)
             }
             else
             {
-                ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_LOCALIP_NUM_FORMAT_ARGS, (FFformatarg[]){
+                FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_LOCALIP_NUM_FORMAT_ARGS, ((FFformatarg[]){
                     {FF_FORMAT_ARG_TYPE_STRBUF, &ip->ipv4},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &ip->ipv6},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &ip->mac},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &ip->name},
                     {FF_FORMAT_ARG_TYPE_BOOL, &ip->defaultRoute},
-                    {FF_FORMAT_ARG_TYPE_STRBUF, &ip->gateway4},
-                    {FF_FORMAT_ARG_TYPE_STRBUF, &ip->gateway6},
-                });
+                }));
             }
             ++index;
         }
@@ -135,8 +127,6 @@ void ffPrintLocalIp(FFLocalIpOptions* options)
         ffStrbufDestroy(&ip->name);
         ffStrbufDestroy(&ip->ipv4);
         ffStrbufDestroy(&ip->ipv6);
-        ffStrbufDestroy(&ip->gateway4);
-        ffStrbufDestroy(&ip->gateway6);
         ffStrbufDestroy(&ip->mac);
     }
 }
@@ -175,15 +165,6 @@ bool ffParseLocalIpCommandOptions(FFLocalIpOptions* options, const char* key, co
         return true;
     }
 
-    if (ffStrEqualsIgnCase(subKey, "show-gateway"))
-    {
-        if (ffOptionParseBoolean(value))
-            options->showType |= FF_LOCALIP_TYPE_GATEWAY_BIT;
-        else
-            options->showType &= ~FF_LOCALIP_TYPE_GATEWAY_BIT;
-        return true;
-    }
-
     if (ffStrEqualsIgnCase(subKey, "show-loop"))
     {
         if (ffOptionParseBoolean(value))
@@ -257,15 +238,6 @@ void ffParseLocalIpJsonObject(FFLocalIpOptions* options, yyjson_val* module)
             continue;
         }
 
-        if (ffStrEqualsIgnCase(key, "showGateway"))
-        {
-            if (yyjson_get_bool(val))
-                options->showType |= FF_LOCALIP_TYPE_GATEWAY_BIT;
-            else
-                options->showType &= ~FF_LOCALIP_TYPE_GATEWAY_BIT;
-            continue;
-        }
-
         if (ffStrEqualsIgnCase(key, "showLoop"))
         {
             if (yyjson_get_bool(val))
@@ -296,7 +268,7 @@ void ffParseLocalIpJsonObject(FFLocalIpOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_LOCALIP_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_LOCALIP_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -357,8 +329,6 @@ void ffGenerateLocalIpJsonResult(FF_MAYBE_UNUSED FFLocalIpOptions* options, yyjs
         yyjson_mut_obj_add_bool(doc, obj, "defaultRoute", ip->defaultRoute);
         yyjson_mut_obj_add_strbuf(doc, obj, "ipv4", &ip->ipv4);
         yyjson_mut_obj_add_strbuf(doc, obj, "ipv6", &ip->ipv6);
-        yyjson_mut_obj_add_strbuf(doc, obj, "gateway4", &ip->gateway4);
-        yyjson_mut_obj_add_strbuf(doc, obj, "gateway6", &ip->gateway6);
         yyjson_mut_obj_add_strbuf(doc, obj, "mac", &ip->mac);
         yyjson_mut_obj_add_strbuf(doc, obj, "name", &ip->name);
     }
@@ -369,23 +339,19 @@ exit:
         ffStrbufDestroy(&ip->name);
         ffStrbufDestroy(&ip->ipv4);
         ffStrbufDestroy(&ip->ipv6);
-        ffStrbufDestroy(&ip->gateway4);
-        ffStrbufDestroy(&ip->gateway6);
         ffStrbufDestroy(&ip->mac);
     }
 }
 
 void ffPrintLocalIpHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_LOCALIP_MODULE_NAME, "{1}", FF_LOCALIP_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_LOCALIP_MODULE_NAME, "{1}", FF_LOCALIP_NUM_FORMAT_ARGS, ((const char* []) {
         "Local IPv4 address",
         "Local IPv6 address",
         "Physical (MAC) address",
         "Interface name",
-        "Is default route",
-        "Gateway IPv4 address",
-        "Gateway IPv6 address",
-    });
+        "Is default route"
+    }));
 }
 
 void ffInitLocalIpOptions(FFLocalIpOptions* options)

src/modules/localip/option.h

@@ -11,7 +11,6 @@ typedef enum FFLocalIpType
     FF_LOCALIP_TYPE_IPV4_BIT = 1 << 1,
     FF_LOCALIP_TYPE_IPV6_BIT = 1 << 2,
     FF_LOCALIP_TYPE_MAC_BIT  = 1 << 3,
-    FF_LOCALIP_TYPE_GATEWAY_BIT  = 1 << 4,
 
     FF_LOCALIP_TYPE_COMPACT_BIT = 1 << 10,
 } FFLocalIpType;

src/modules/media/media.c

@@ -49,7 +49,7 @@ void ffPrintMedia(FFMediaOptions* options)
 
     if(media->error.length > 0)
     {
-        ffPrintError(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, "%s", media->error.chars);
+        ffPrintError(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", media->error.chars);
         return;
     }
 
@@ -95,13 +95,13 @@ void ffPrintMedia(FFMediaOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, FF_MEDIA_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_MEDIA_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &songPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->song},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->artist},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->album},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->status}
-        });
+        }));
     }
 }
 
@@ -128,7 +128,7 @@ void ffParseMediaJsonObject(FFMediaOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_MEDIA_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -159,13 +159,13 @@ void ffGenerateMediaJsonResult(FF_MAYBE_UNUSED FFMediaOptions* options, yyjson_m
 
 void ffPrintMediaHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_MEDIA_MODULE_NAME, "{3} - {1} ({5})", FF_MEDIA_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_MEDIA_MODULE_NAME, "{3} - {1} ({5})", FF_MEDIA_NUM_FORMAT_ARGS, ((const char* []) {
         "Pretty media name",
         "Media name",
         "Artist name",
         "Album name",
         "Status",
-    });
+    }));
 }
 
 void ffInitMediaOptions(FFMediaOptions* options)

src/modules/memory/memory.c

@@ -15,7 +15,7 @@ void ffPrintMemory(FFMemoryOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -58,11 +58,11 @@ void ffPrintMemory(FFMemoryOptions* options)
     {
         FF_STRBUF_AUTO_DESTROY percentageStr = ffStrbufCreate();
         ffPercentAppendNum(&percentageStr, percentage, options->percent, false);
-        ffPrintFormat(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_MEMORY_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_MEMORY_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &usedPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &totalPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &percentageStr},
-        });
+        }));
     }
 }
 
@@ -95,7 +95,7 @@ void ffParseMemoryJsonObject(FFMemoryOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_MEMORY_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -127,11 +127,11 @@ void ffGenerateMemoryJsonResult(FF_MAYBE_UNUSED FFMemoryOptions* options, yyjson
 
 void ffPrintMemoryHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_MEMORY_MODULE_NAME, "{1} / {2} ({3})", FF_MEMORY_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_MEMORY_MODULE_NAME, "{1} / {2} ({3})", FF_MEMORY_NUM_FORMAT_ARGS, ((const char* []) {
         "Used size",
         "Total size",
-        "Percentage used"
-    });
+        "Percentage used",
+    }));
 }
 
 void ffInitMemoryOptions(FFMemoryOptions* options)

src/modules/monitor/monitor.c

@@ -6,7 +6,7 @@
 
 #include <math.h>
 
-#define FF_MONITOR_NUM_FORMAT_ARGS 7
+#define FF_MONITOR_NUM_FORMAT_ARGS 10
 
 void ffPrintMonitor(FFMonitorOptions* options)
 {
@@ -16,13 +16,13 @@ void ffPrintMonitor(FFMonitorOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(!result.length)
     {
-        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, "No physical display detected");
+        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No physical display detected");
         return;
     }
 
@@ -41,10 +41,10 @@ void ffPrintMonitor(FFMonitorOptions* options)
         else
         {
             uint32_t moduleIndex = result.length == 1 ? 0 : index + 1;
-            ffParseFormatString(&key, &options->moduleArgs.key, 2, (FFformatarg[]){
+            FF_PARSE_FORMAT_STRING_CHECKED(&key, &options->moduleArgs.key, 2, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_UINT, &moduleIndex},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &display->name},
-            });
+            }));
         }
 
         if(options->moduleArgs.outputFormat.length == 0)
@@ -68,7 +68,7 @@ void ffPrintMonitor(FFMonitorOptions* options)
             else
                 buf[0] = '\0';
 
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_MONITOR_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_MONITOR_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_STRBUF, &display->name},
                 {FF_FORMAT_ARG_TYPE_UINT, &display->width},
                 {FF_FORMAT_ARG_TYPE_UINT, &display->height},
@@ -79,7 +79,7 @@ void ffPrintMonitor(FFMonitorOptions* options)
                 {FF_FORMAT_ARG_TYPE_UINT16, &display->manufactureYear},
                 {FF_FORMAT_ARG_TYPE_UINT16, &display->manufactureWeek},
                 {FF_FORMAT_ARG_TYPE_STRING, buf},
-            });
+            }));
         }
 
         ffStrbufDestroy(&display->name);
@@ -110,7 +110,7 @@ void ffParseMonitorJsonObject(FFMonitorOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_MONITOR_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -179,17 +179,18 @@ void ffGenerateMonitorJsonResult(FF_MAYBE_UNUSED FFMonitorOptions* options, yyjs
 
 void ffPrintMonitorHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_MONITOR_MODULE_NAME, "{2}x{3} px - {4}x{5} mm ({6} inches, {7} ppi)", FF_MONITOR_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_MONITOR_MODULE_NAME, "{2}x{3} px - {4}x{5} mm ({6} inches, {7} ppi)", FF_MONITOR_NUM_FORMAT_ARGS, ((const char* []) {
         "Display name",
-        "Display native resolution width in pixels",
-        "Display native resolution height in pixels",
-        "Display physical width in millimeters",
-        "Display physical height in millimeters",
-        "Display physical diagonal length in inches",
+        "Native resolution width in pixels",
+        "Native resolution height in pixels",
+        "Physical width in millimeters",
+        "Physical height in millimeters",
+        "Physical diagonal length in inches",
+        "Pixels per inch (PPI)",
         "Year of manufacturing",
         "Nth week of manufacturing in the year",
         "Serial number",
-    });
+    }));
 }
 
 void ffInitMonitorOptions(FFMonitorOptions* options)

src/modules/netio/netio.c

@@ -25,10 +25,10 @@ static void formatKey(const FFNetIOOptions* options, FFNetIOResult* inf, uint32_
     else
     {
         ffStrbufClear(key);
-        ffParseFormatString(key, &options->moduleArgs.key, 2, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(key, &options->moduleArgs.key, 2, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &index},
             {FF_FORMAT_ARG_TYPE_STRBUF, &inf->name},
-        });
+        }));
     }
 }
 
@@ -39,7 +39,7 @@ void ffPrintNetIO(FFNetIOOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_NETIO_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_NETIO_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -79,7 +79,7 @@ void ffPrintNetIO(FFNetIOOptions* options)
             ffParseSize(inf->txBytes, &buffer2);
             if (!options->detectTotal) ffStrbufAppendS(&buffer2, "/s");
 
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_NETIO_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_NETIO_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &buffer},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &buffer2},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &inf->name},
@@ -92,7 +92,7 @@ void ffPrintNetIO(FFNetIOOptions* options)
                 {FF_FORMAT_ARG_TYPE_UINT64, &inf->txErrors},
                 {FF_FORMAT_ARG_TYPE_UINT64, &inf->rxDrops},
                 {FF_FORMAT_ARG_TYPE_UINT64, &inf->txDrops},
-            });
+            }));
         }
         ++index;
     }
@@ -162,7 +162,7 @@ void ffParseNetIOJsonObject(FFNetIOOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_NETIO_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_NETIO_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -218,7 +218,7 @@ void ffGenerateNetIOJsonResult(FFNetIOOptions* options, yyjson_mut_doc* doc, yyj
 
 void ffPrintNetIOHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_NETIO_MODULE_NAME, "{1} (IN) - {2} (OUT)", FF_NETIO_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_NETIO_MODULE_NAME, "{1} (IN) - {2} (OUT)", FF_NETIO_NUM_FORMAT_ARGS, ((const char* []) {
         "Size of data received [per second] (formatted)",
         "Size of data sent [per second] (formatted)",
         "Interface name",
@@ -231,7 +231,7 @@ void ffPrintNetIOHelpFormat(void)
         "Number of errors sent [per second]",
         "Number of packets dropped when receiving [per second]",
         "Number of packets dropped when sending [per second]",
-    });
+    }));
 }
 
 void ffInitNetIOOptions(FFNetIOOptions* options)

src/modules/opencl/opencl.c

@@ -16,7 +16,7 @@ void ffPrintOpenCL(FFOpenCLOptions* options)
     const char* error = ffDetectOpenCL(&opencl);
 
     if(error != NULL)
-        ffPrintError(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     else
     {
         if(options->moduleArgs.outputFormat.length == 0)
@@ -26,11 +26,11 @@ void ffPrintOpenCL(FFOpenCLOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, FF_OPENCL_NUM_FORMAT_ARGS, (FFformatarg[]) {
+            FF_PRINT_FORMAT_CHECKED(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_OPENCL_NUM_FORMAT_ARGS, ((FFformatarg[]) {
                 {FF_FORMAT_ARG_TYPE_STRBUF, &opencl.version},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &opencl.device},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &opencl.vendor},
-            });
+            }));
         }
     }
 
@@ -62,7 +62,7 @@ void ffParseOpenCLJsonObject(FFOpenCLOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_OPENCL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -102,11 +102,11 @@ void ffGenerateOpenCLJsonResult(FF_MAYBE_UNUSED FFOpenCLOptions* options, yyjson
 
 void ffPrintOpenCLHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_OPENCL_MODULE_NAME, "{1}", FF_OPENCL_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_OPENCL_MODULE_NAME, "{1}", FF_OPENCL_NUM_FORMAT_ARGS, ((const char* []) {
         "version",
         "device",
         "vendor"
-    });
+    }));
 }
 
 void ffInitOpenCLOptions(FFOpenCLOptions* options)

src/modules/opengl/opengl.c

@@ -17,7 +17,7 @@ void ffPrintOpenGL(FFOpenGLOptions* options)
     const char* error = ffDetectOpenGL(options, &result);
     if(error)
     {
-        ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -28,12 +28,12 @@ void ffPrintOpenGL(FFOpenGLOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, FF_OPENGL_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_OPENGL_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.renderer},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.vendor},
-            {FF_FORMAT_ARG_TYPE_STRBUF, &result.slv}
-        });
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result.slv},
+        }));
     }
 
     ffStrbufDestroy(&result.version);
@@ -90,14 +90,14 @@ void ffParseOpenGLJsonObject(FFOpenGLOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid %s value: %s", key, error);
             else
                 options->library = (FFOpenGLLibrary) value;
             continue;
         }
         #endif
 
-        ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_OPENGL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -160,12 +160,12 @@ void ffGenerateOpenGLJsonResult(FF_MAYBE_UNUSED FFOpenGLOptions* options, yyjson
 
 void ffPrintOpenGLHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_OPENGL_MODULE_NAME, "{1}", FF_OPENGL_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_OPENGL_MODULE_NAME, "{1}", FF_OPENGL_NUM_FORMAT_ARGS, ((const char* []) {
         "version",
         "renderer",
         "vendor",
         "shading language version"
-    });
+    }));
 }
 
 void ffInitOpenGLOptions(FFOpenGLOptions* options)

src/modules/os/os.c

@@ -101,7 +101,7 @@ void ffPrintOS(FFOSOptions* options)
 
     if(os->name.length == 0 && os->prettyName.length == 0 && os->id.length == 0)
     {
-        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, "Could not detect OS");
+        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Could not detect OS");
         return;
     }
 
@@ -119,7 +119,7 @@ void ffPrintOS(FFOSOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_OS_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_OS_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &instance.state.platform.systemName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &os->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &os->prettyName},
@@ -132,7 +132,7 @@ void ffPrintOS(FFOSOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &os->codename},
             {FF_FORMAT_ARG_TYPE_STRBUF, &os->buildID},
             {FF_FORMAT_ARG_TYPE_STRBUF, &instance.state.platform.systemArchitecture}
-        });
+        }));
     }
 }
 
@@ -159,7 +159,7 @@ void ffParseOSJsonObject(FFOSOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_OS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -196,7 +196,7 @@ void ffGenerateOSJsonResult(FF_MAYBE_UNUSED FFOSOptions* options, yyjson_mut_doc
 
 void ffPrintOSHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_OS_MODULE_NAME, "{3} {10} {12}", FF_OS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_OS_MODULE_NAME, "{3} {10} {12}", FF_OS_NUM_FORMAT_ARGS, ((const char* []) {
         "Name of the kernel (Linux, WIN32_NT, Darwin, FreeBSD)",
         "Name of the OS",
         "Pretty name of the OS",
@@ -209,7 +209,7 @@ void ffPrintOSHelpFormat(void)
         "Version codename of the OS",
         "Build ID of the OS",
         "Architecture of the OS"
-    });
+    }));
 }
 
 void ffInitOSOptions(FFOSOptions* options)

src/modules/packages/packages.c

@@ -15,7 +15,7 @@ void ffPrintPackages(FFPackagesOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -69,7 +69,7 @@ void ffPrintPackages(FFPackagesOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, FF_PACKAGES_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_PACKAGES_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &counts.all},
             {FF_FORMAT_ARG_TYPE_UINT, &counts.pacman},
             {FF_FORMAT_ARG_TYPE_STRBUF, &counts.pacmanBranch},
@@ -95,7 +95,7 @@ void ffPrintPackages(FFPackagesOptions* options)
             {FF_FORMAT_ARG_TYPE_UINT, &counts.paludis},
             {FF_FORMAT_ARG_TYPE_UINT, &counts.winget},
             {FF_FORMAT_ARG_TYPE_UINT, &counts.opkg},
-        });
+        }));
     }
 
     ffStrbufDestroy(&counts.pacmanBranch);
@@ -175,7 +175,7 @@ void ffParsePackagesJsonObject(FFPackagesOptions* options, yyjson_val* module)
         {
             if (!yyjson_is_null(val) && !yyjson_is_arr(val))
             {
-                ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, "Invalid JSON value for %s", key);
+                ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid JSON value for %s", key);
                 continue;
             }
 
@@ -215,7 +215,7 @@ void ffParsePackagesJsonObject(FFPackagesOptions* options, yyjson_val* module)
             }
         }
 
-        ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_PACKAGES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -300,7 +300,7 @@ void ffGeneratePackagesJsonResult(FF_MAYBE_UNUSED FFPackagesOptions* options, yy
 
 void ffPrintPackagesHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_PACKAGES_MODULE_NAME, "{2} (pacman){?3}[{3}]{?}, {4} (dpkg), {5} (rpm), {6} (emerge), {7} (eopkg), {8} (xbps), {9} (nix-system), {10} (nix-user), {11} (nix-default), {12} (apk), {13} (pkg), {14} (flatpak-system), {15} (flatpack-user), {16} (snap), {17} (brew), {18} (brew-cask), {19} (MacPorts), {20} (scoop), {21} (choco), {22} (pkgtool), {23} (paludis), {24} (winget), {25} (opkg)", FF_PACKAGES_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_PACKAGES_MODULE_NAME, "{2} (pacman){?3}[{3}]{?}, {4} (dpkg), {5} (rpm), {6} (emerge), {7} (eopkg), {8} (xbps), {9} (nix-system), {10} (nix-user), {11} (nix-default), {12} (apk), {13} (pkg), {14} (flatpak-system), {15} (flatpack-user), {16} (snap), {17} (brew), {18} (brew-cask), {19} (MacPorts), {20} (scoop), {21} (choco), {22} (pkgtool), {23} (paludis), {24} (winget), {25} (opkg)", FF_PACKAGES_NUM_FORMAT_ARGS, ((const char* []) {
         "Number of all packages",
         "Number of pacman packages",
         "Pacman branch on manjaro",
@@ -326,7 +326,7 @@ void ffPrintPackagesHelpFormat(void)
         "Number of paludis packages",
         "Number of winget packages",
         "Number of opkg packages"
-    });
+    }));
 }
 
 void ffInitPackagesOptions(FFPackagesOptions* options)

src/modules/physicaldisk/physicaldisk.c

@@ -7,7 +7,7 @@
 #include "util/stringUtils.h"
 
 #define FF_PHYSICALDISK_DISPLAY_NAME "Physical Disk"
-#define FF_PHYSICALDISK_NUM_FORMAT_ARGS 9
+#define FF_PHYSICALDISK_NUM_FORMAT_ARGS 10
 
 static int sortDevices(const FFPhysicalDiskResult* left, const FFPhysicalDiskResult* right)
 {
@@ -23,11 +23,11 @@ static void formatKey(const FFPhysicalDiskOptions* options, FFPhysicalDiskResult
     else
     {
         ffStrbufClear(key);
-        ffParseFormatString(key, &options->moduleArgs.key, 2, (FFformatarg[]){
+        FF_PARSE_FORMAT_STRING_CHECKED(key, &options->moduleArgs.key, 3, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &index},
             {FF_FORMAT_ARG_TYPE_STRBUF, &dev->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &dev->devPath},
-        });
+        }));
     }
 }
 
@@ -38,7 +38,7 @@ void ffPrintPhysicalDisk(FFPhysicalDiskOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_PHYSICALDISK_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_PHYSICALDISK_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -108,7 +108,7 @@ void ffPrintPhysicalDisk(FFPhysicalDiskOptions* options)
             if (dev->type & FF_PHYSICALDISK_TYPE_READWRITE)
                 readOnlyType = "Read-write";
             ffParseSize(dev->size, &buffer);
-            ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_PHYSICALDISK_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_PHYSICALDISK_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &buffer},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &dev->name},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &dev->interconnect},
@@ -119,7 +119,7 @@ void ffPrintPhysicalDisk(FFPhysicalDiskOptions* options)
                 {FF_FORMAT_ARG_TYPE_STRING, readOnlyType},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &dev->revision},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &tempStr},
-            });
+            }));
         }
         ++index;
     }
@@ -175,7 +175,7 @@ void ffParsePhysicalDiskJsonObject(FFPhysicalDiskOptions* options, yyjson_val* m
         if (ffTempsParseJsonObject(key, val, &options->temp, &options->tempConfig))
             continue;
 
-        ffPrintError(FF_PHYSICALDISK_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_PHYSICALDISK_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -252,7 +252,7 @@ void ffGeneratePhysicalDiskJsonResult(FFPhysicalDiskOptions* options, yyjson_mut
 
 void ffPrintPhysicalDiskHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_PHYSICALDISK_MODULE_NAME, "{1}", FF_PHYSICALDISK_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_PHYSICALDISK_MODULE_NAME, "{1}", FF_PHYSICALDISK_NUM_FORMAT_ARGS, ((const char* []) {
         "Device size (formatted)",
         "Device name",
         "Device interconnect type",
@@ -263,7 +263,7 @@ void ffPrintPhysicalDiskHelpFormat(void)
         "Device kind (Read-only or Read-write)",
         "Product revision",
         "Device temperature (formatted)",
-    });
+    }));
 }
 
 void ffInitPhysicalDiskOptions(FFPhysicalDiskOptions* options)

src/modules/player/player.c

@@ -15,7 +15,7 @@ void ffPrintPlayer(FFPlayerOptions* options)
 
     if(media->error.length > 0)
     {
-        ffPrintError(FF_PLAYER_DISPLAY_NAME, 0, &options->moduleArgs, "%s", media->error.chars);
+        ffPrintError(FF_PLAYER_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", media->error.chars);
         return;
     }
 
@@ -64,12 +64,12 @@ void ffPrintPlayer(FFPlayerOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_PLAYER_DISPLAY_NAME, 0, &options->moduleArgs, FF_PLAYER_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_PLAYER_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_PLAYER_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &playerPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->player},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->playerId},
             {FF_FORMAT_ARG_TYPE_STRBUF, &media->url}
-        });
+        }));
     }
 }
 
@@ -96,7 +96,7 @@ void ffParsePlayerJsonObject(FFPlayerOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_PLAYER_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_PLAYER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -126,12 +126,12 @@ void ffGeneratePlayerJsonResult(FF_MAYBE_UNUSED FFMediaOptions* options, yyjson_
 
 void ffPrintPlayerHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_PLAYER_MODULE_NAME, "{1}", FF_PLAYER_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_PLAYER_MODULE_NAME, "{1}", FF_PLAYER_NUM_FORMAT_ARGS, ((const char* []) {
         "Pretty player name",
         "Player name",
         "Player Identifier",
         "URL name"
-    });
+    }));
 }
 
 void ffInitPlayerOptions(FFPlayerOptions* options)

src/modules/poweradapter/poweradapter.c

@@ -15,11 +15,11 @@ void ffPrintPowerAdapter(FFPowerAdapterOptions* options)
 
     if (error)
     {
-        ffPrintError(FF_POWERADAPTER_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_POWERADAPTER_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
     }
     else if(results.length == 0)
     {
-        ffPrintError(FF_POWERADAPTER_DISPLAY_NAME, 0, &options->moduleArgs, "No power adapters found");
+        ffPrintError(FF_POWERADAPTER_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No power adapters found");
     }
     else
     {
@@ -38,14 +38,14 @@ void ffPrintPowerAdapter(FFPowerAdapterOptions* options)
             }
             else
             {
-                ffPrintFormat(FF_POWERADAPTER_DISPLAY_NAME, i, &options->moduleArgs, FF_POWERADAPTER_NUM_FORMAT_ARGS, (FFformatarg[]){
+                FF_PRINT_FORMAT_CHECKED(FF_POWERADAPTER_DISPLAY_NAME, i, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_POWERADAPTER_NUM_FORMAT_ARGS, ((FFformatarg[]){
                     {FF_FORMAT_ARG_TYPE_INT, &result->watts},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &result->name},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &result->manufacturer},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &result->modelName},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &result->description},
                     {FF_FORMAT_ARG_TYPE_STRBUF, &result->serial},
-                });
+                }));
             }
 
             ffStrbufDestroy(&result->manufacturer);
@@ -88,7 +88,7 @@ void ffParsePowerAdapterJsonObject(FFPowerAdapterOptions* options, yyjson_val* m
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_POWERADAPTER_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_POWERADAPTER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -124,14 +124,14 @@ void ffGeneratePowerAdapterJsonResult(FF_MAYBE_UNUSED FFPowerAdapterOptions* opt
 
 void ffPrintPowerAdapterHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_POWERADAPTER_MODULE_NAME, "{1}W", FF_POWERADAPTER_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_POWERADAPTER_MODULE_NAME, "{1}W", FF_POWERADAPTER_NUM_FORMAT_ARGS, ((const char* []) {
         "PowerAdapter watts",
         "PowerAdapter name",
         "PowerAdapter manufacturer",
         "PowerAdapter model",
-        "PowerAdapter description"
-        "PowerAdapter serial number"
-    });
+        "PowerAdapter description",
+        "PowerAdapter serial number",
+    }));
 }
 
 void ffInitPowerAdapterOptions(FFPowerAdapterOptions* options)

src/modules/processes/processes.c

@@ -13,7 +13,7 @@ void ffPrintProcesses(FFProcessesOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -25,9 +25,9 @@ void ffPrintProcesses(FFProcessesOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, FF_PROCESSES_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_PROCESSES_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &numProcesses}
-        });
+        }));
     }
 }
 
@@ -54,7 +54,7 @@ void ffParseProcessesJsonObject(FFProcessesOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_PROCESSES_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -82,7 +82,7 @@ void ffGenerateProcessesJsonResult(FF_MAYBE_UNUSED FFProcessesOptions* options,
 
 void ffPrintProcessesHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_PROCESSES_MODULE_NAME, "{1}", FF_PROCESSES_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_PROCESSES_MODULE_NAME, "{1}", FF_PROCESSES_NUM_FORMAT_ARGS, (const char* []) {
         "Count"
     });
 }

src/modules/publicip/publicip.c

@@ -5,7 +5,7 @@
 #include "util/stringUtils.h"
 
 #define FF_PUBLICIP_DISPLAY_NAME "Public IP"
-#define FF_PUBLICIP_NUM_FORMAT_ARGS 1
+#define FF_PUBLICIP_NUM_FORMAT_ARGS 2
 
 void ffPrintPublicIp(FFPublicIpOptions* options)
 {
@@ -16,7 +16,7 @@ void ffPrintPublicIp(FFPublicIpOptions* options)
 
     if (error)
     {
-        ffPrintError(FF_PUBLICIP_DISPLAY_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_PUBLICIP_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -30,10 +30,10 @@ void ffPrintPublicIp(FFPublicIpOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_PUBLICIP_DISPLAY_NAME, 0, &options->moduleArgs, FF_PUBLICIP_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_PUBLICIP_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_PUBLICIP_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.ip},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result.location},
-        });
+        }));
     }
 
     ffStrbufDestroy(&result.ip);
@@ -87,7 +87,7 @@ void ffParsePublicIpJsonObject(FFPublicIpOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_PUBLICIP_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_PUBLICIP_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -125,10 +125,10 @@ void ffGeneratePublicIpJsonResult(FFPublicIpOptions* options, yyjson_mut_doc* do
 
 void ffPrintPublicIpHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_PUBLICIP_MODULE_NAME, "{1} ({2})", FF_PUBLICIP_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_PUBLICIP_MODULE_NAME, "{1} ({2})", FF_PUBLICIP_NUM_FORMAT_ARGS, ((const char* []) {
         "Public IP address",
         "Location"
-    });
+    }));
 }
 
 void ffInitPublicIpOptions(FFPublicIpOptions* options)

src/modules/separator/separator.c

@@ -105,7 +105,7 @@ void ffParseSeparatorJsonObject(FFSeparatorOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintErrorString(FF_SEPARATOR_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
+        ffPrintError(FF_SEPARATOR_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
     }
 }
 

src/modules/shell/shell.c

@@ -4,7 +4,7 @@
 #include "modules/shell/shell.h"
 #include "util/stringUtils.h"
 
-#define FF_SHELL_NUM_FORMAT_ARGS 6
+#define FF_SHELL_NUM_FORMAT_ARGS 8
 
 void ffPrintShell(FFShellOptions* options)
 {
@@ -12,7 +12,7 @@ void ffPrintShell(FFShellOptions* options)
 
     if(result->processName.length == 0)
     {
-        ffPrintError(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, "Couldn't detect shell");
+        ffPrintError(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Couldn't detect shell");
         return;
     }
 
@@ -31,7 +31,7 @@ void ffPrintShell(FFShellOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, FF_SHELL_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_SHELL_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->processName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->exe},
             {FF_FORMAT_ARG_TYPE_STRING, result->exeName},
@@ -40,7 +40,7 @@ void ffPrintShell(FFShellOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->prettyName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->exePath},
             {FF_FORMAT_ARG_TYPE_INT, &result->tty},
-        });
+        }));
     }
 }
 
@@ -67,7 +67,7 @@ void ffParseShellJsonObject(FFShellOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_SHELL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -106,7 +106,7 @@ void ffGenerateShellJsonResult(FF_MAYBE_UNUSED FFShellOptions* options, yyjson_m
 
 void ffPrintShellHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_SHELL_MODULE_NAME, "{3} {4}", FF_SHELL_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_SHELL_MODULE_NAME, "{3} {4}", FF_SHELL_NUM_FORMAT_ARGS, ((const char* []) {
         "Shell process name",
         "The first argument of the command line when running the shell",
         "Shell base name of arg0",
@@ -114,7 +114,8 @@ void ffPrintShellHelpFormat(void)
         "Shell pid",
         "Shell pretty name",
         "Shell full exe path",
-    });
+        "Shell tty used",
+    }));
 }
 
 void ffInitShellOptions(FFShellOptions* options)

src/modules/sound/sound.c

@@ -49,12 +49,12 @@ static void printDevice(FFSoundOptions* options, const FFSoundDevice* device, ui
         FF_STRBUF_AUTO_DESTROY percentageStr = ffStrbufCreate();
         ffPercentAppendNum(&percentageStr, device->volume, options->percent, false);
 
-        ffPrintFormat(FF_SOUND_MODULE_NAME, index, &options->moduleArgs, FF_SOUND_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_SOUND_MODULE_NAME, index, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_SOUND_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_BOOL, &device->main},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->name},
             {FF_FORMAT_ARG_TYPE_STRBUF, &percentageStr},
             {FF_FORMAT_ARG_TYPE_STRBUF, &device->identifier}
-        });
+        }));
     }
 }
 
@@ -66,7 +66,7 @@ void ffPrintSound(FFSoundOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -86,7 +86,7 @@ void ffPrintSound(FFSoundOptions* options)
 
     if(filtered.length == 0)
     {
-        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, "No active sound devices found");
+        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No active sound devices found");
         return;
     }
 
@@ -150,7 +150,7 @@ void ffParseSoundJsonObject(FFSoundOptions* options, yyjson_val* module)
                 {},
             });
             if (error)
-                ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, "Invalid %s value: %s", key, error);
+                ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Invalid %s value: %s", key, error);
             else
                 options->soundType = (FFSoundType) value;
             continue;
@@ -159,7 +159,7 @@ void ffParseSoundJsonObject(FFSoundOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_SOUND_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -231,12 +231,12 @@ void ffGenerateSoundJsonResult(FF_MAYBE_UNUSED FFSoundOptions* options, yyjson_m
 
 void ffPrintSoundHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_SOUND_MODULE_NAME, "{2} ({3}%)", FF_SOUND_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_SOUND_MODULE_NAME, "{2} ({3}%)", FF_SOUND_NUM_FORMAT_ARGS, ((const char* []) {
         "Is main sound device",
         "Device name",
         "Volume",
         "Identifier"
-    });
+    }));
 }
 
 void ffInitSoundOptions(FFSoundOptions* options)

src/modules/swap/swap.c

@@ -15,7 +15,7 @@ void ffPrintSwap(FFSwapOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -67,11 +67,11 @@ void ffPrintSwap(FFSwapOptions* options)
     {
         FF_STRBUF_AUTO_DESTROY percentageStr = ffStrbufCreate();
         ffPercentAppendNum(&percentageStr, percentage, options->percent, false);
-        ffPrintFormat(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, FF_SWAP_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_SWAP_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &usedPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &totalPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &percentageStr},
-        });
+        }));
     }
 }
 
@@ -104,7 +104,7 @@ void ffParseSwapJsonObject(FFSwapOptions* options, yyjson_val* module)
         if (ffPercentParseJsonObject(key, val, &options->percent))
             continue;
 
-        ffPrintError(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_SWAP_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -136,11 +136,11 @@ void ffGenerateSwapJsonResult(FF_MAYBE_UNUSED FFSwapOptions* options, yyjson_mut
 
 void ffPrintSwapHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_SWAP_MODULE_NAME, "{1} / {2} ({3})", FF_SWAP_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_SWAP_MODULE_NAME, "{1} / {2} ({3})", FF_SWAP_NUM_FORMAT_ARGS, ((const char* []) {
         "Used size",
         "Total size",
         "Percentage used"
-    });
+    }));
 }
 
 void ffInitSwapOptions(FFSwapOptions* options)

src/modules/terminal/terminal.c

@@ -14,7 +14,7 @@ void ffPrintTerminal(FFTerminalOptions* options)
 
     if(result->processName.length == 0)
     {
-        ffPrintError(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, "Couldn't detect terminal");
+        ffPrintError(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Couldn't detect terminal");
         return;
     }
 
@@ -29,7 +29,7 @@ void ffPrintTerminal(FFTerminalOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, FF_TERMINAL_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_TERMINAL_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->processName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->exe},
             {FF_FORMAT_ARG_TYPE_STRING, result->exeName},
@@ -38,7 +38,7 @@ void ffPrintTerminal(FFTerminalOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->exePath},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->tty},
-        });
+        }));
     }
 }
 
@@ -65,7 +65,7 @@ void ffParseTerminalJsonObject(FFTerminalOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_TERMINAL_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -101,7 +101,7 @@ void ffGenerateTerminalJsonResult(FF_MAYBE_UNUSED FFTerminalOptions* options, yy
 
 void ffPrintTerminalHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_TERMINAL_MODULE_NAME, "{5} {6}", FF_TERMINAL_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_TERMINAL_MODULE_NAME, "{5} {6}", FF_TERMINAL_NUM_FORMAT_ARGS, ((const char* []) {
         "Terminal process name",
         "The first argument of the command line when running the terminal",
         "Terminal base name of arg0",
@@ -110,7 +110,7 @@ void ffPrintTerminalHelpFormat(void)
         "Terminal version",
         "Terminal full exe path",
         "Terminal tty / pts used",
-    });
+    }));
 }
 
 void ffInitTerminalOptions(FFTerminalOptions* options)

src/modules/terminalfont/terminalfont.c

@@ -16,7 +16,7 @@ void ffPrintTerminalFont(FFTerminalFontOptions* options)
 
     if(!ffDetectTerminalFont(&terminalFont))
     {
-        ffPrintError(FF_TERMINALFONT_DISPLAY_NAME, 0, &options->moduleArgs, "%s", terminalFont.error.chars);
+        ffPrintError(FF_TERMINALFONT_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", terminalFont.error.chars);
     }
     else
     {
@@ -33,12 +33,12 @@ void ffPrintTerminalFont(FFTerminalFontOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_TERMINALFONT_DISPLAY_NAME, 0, &options->moduleArgs, FF_TERMINALFONT_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_TERMINALFONT_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_TERMINALFONT_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &terminalFont.font.pretty},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &terminalFont.font.name},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &terminalFont.font.size},
                 {FF_FORMAT_ARG_TYPE_LIST,   &terminalFont.font.styles}
-            });
+            }));
         }
     }
 
@@ -70,7 +70,7 @@ void ffParseTerminalFontJsonObject(FFTerminalFontOptions* options, yyjson_val* m
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_TERMINALFONT_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_TERMINALFONT_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -123,12 +123,12 @@ void ffGenerateTerminalFontJsonResult(FF_MAYBE_UNUSED FFTerminalOptions* options
 
 void ffPrintTerminalFontHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_TERMINALFONT_MODULE_NAME, "{1}", FF_TERMINALFONT_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_TERMINALFONT_MODULE_NAME, "{1}", FF_TERMINALFONT_NUM_FORMAT_ARGS, ((const char* []) {
         "Terminal font combined",
         "Terminal font name",
         "Terminal font size",
         "Terminal font styles"
-    });
+    }));
 }
 
 void ffInitTerminalFontOptions(FFTerminalFontOptions* options)

src/modules/terminalsize/terminalsize.c

@@ -13,7 +13,7 @@ void ffPrintTerminalSize(FFTerminalSizeOptions* options)
 
     if(!ffDetectTerminalSize(&result))
     {
-        ffPrintError(FF_TERMINALSIZE_DISPLAY_NAME, 0, &options->moduleArgs, "Failed to detect terminal size");
+        ffPrintError(FF_TERMINALSIZE_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Failed to detect terminal size");
     }
     else
     {
@@ -29,12 +29,12 @@ void ffPrintTerminalSize(FFTerminalSizeOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_TERMINALSIZE_DISPLAY_NAME, 0, &options->moduleArgs, FF_TERMINALSIZE_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_TERMINALSIZE_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_TERMINALSIZE_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_UINT16, &result.rows},
                 {FF_FORMAT_ARG_TYPE_UINT16, &result.columns},
                 {FF_FORMAT_ARG_TYPE_UINT16, &result.width},
                 {FF_FORMAT_ARG_TYPE_UINT16, &result.height}
-            });
+            }));
         }
     }
 }
@@ -62,7 +62,7 @@ void ffParseTerminalSizeJsonObject(FFTerminalSizeOptions* options, yyjson_val* m
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_TERMINALSIZE_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_TERMINALSIZE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -93,12 +93,12 @@ void ffGenerateTerminalSizeJsonResult(FF_MAYBE_UNUSED FFTerminalOptions* options
 
 void ffPrintTerminalSizeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_TERMINALSIZE_MODULE_NAME, "{1} columns x {2} rows ({3}px x {4}px)", FF_TERMINALSIZE_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_TERMINALSIZE_MODULE_NAME, "{1} columns x {2} rows ({3}px x {4}px)", FF_TERMINALSIZE_NUM_FORMAT_ARGS, ((const char* []) {
         "Terminal rows",
         "Terminal columns",
         "Terminal width (in pixels)",
         "Terminal height (in pixels)"
-    });
+    }));
 }
 
 void ffInitTerminalSizeOptions(FFTerminalSizeOptions* options)

src/modules/terminaltheme/terminaltheme.c

@@ -15,7 +15,7 @@ void ffPrintTerminalTheme(FFTerminalThemeOptions* options)
 
     if(!ffDetectTerminalTheme(&result))
     {
-        ffPrintError(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, "Failed to detect terminal theme");
+        ffPrintError(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Failed to detect terminal theme");
     }
     else
     {
@@ -32,12 +32,12 @@ void ffPrintTerminalTheme(FFTerminalThemeOptions* options)
             char fg[32], bg[32];
             snprintf(fg, sizeof(fg), "#%02" PRIX16 "%02" PRIX16 "%02" PRIX16, result.fg.r, result.fg.g, result.fg.b);
             snprintf(bg, sizeof(bg), "#%02" PRIX16 "%02" PRIX16 "%02" PRIX16, result.bg.r, result.bg.g, result.bg.b);
-            ffPrintFormat(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_TERMINALTHEME_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_TERMINALTHEME_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRING, fg},
                 {FF_FORMAT_ARG_TYPE_STRING, result.fg.dark ? "Dark" : "Light"},
                 {FF_FORMAT_ARG_TYPE_STRING, bg},
                 {FF_FORMAT_ARG_TYPE_STRING, result.bg.dark ? "Dark" : "Light"},
-            });
+            }));
         }
     }
 }
@@ -65,7 +65,7 @@ void ffParseTerminalThemeJsonObject(FFTerminalThemeOptions* options, yyjson_val*
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_TERMINALTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -104,12 +104,12 @@ void ffGenerateTerminalThemeJsonResult(FF_MAYBE_UNUSED FFTerminalOptions* option
 
 void ffPrintTerminalThemeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_TERMINALTHEME_MODULE_NAME, "{1} (FG) {3} (BG) [{4}]", FF_TERMINALTHEME_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_TERMINALTHEME_MODULE_NAME, "{1} (FG) {3} (BG) [{4}]", FF_TERMINALTHEME_NUM_FORMAT_ARGS, ((const char* []) {
         "Terminal foreground color",
         "Terminal foreground type (Dark / Light)",
         "Terminal background color",
         "Terminal background type (Dark / Light)",
-    });
+    }));
 }
 
 void ffInitTerminalThemeOptions(FFTerminalThemeOptions* options)

src/modules/theme/theme.c

@@ -13,7 +13,7 @@ void ffPrintTheme(FFThemeOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -24,9 +24,9 @@ void ffPrintTheme(FFThemeOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, FF_THEME_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_THEME_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &theme}
-        });
+        }));
     }
 }
 
@@ -53,7 +53,7 @@ void ffParseThemeJsonObject(FFThemeOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_THEME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -81,9 +81,9 @@ void ffGenerateThemeJsonResult(FF_MAYBE_UNUSED FFThemeOptions* options, yyjson_m
 
 void ffPrintThemeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_THEME_MODULE_NAME, "{1}", FF_THEME_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_THEME_MODULE_NAME, "{1}", FF_THEME_NUM_FORMAT_ARGS, ((const char* []) {
         "Combined themes"
-    });
+    }));
 }
 
 void ffInitThemeOptions(FFThemeOptions* options)

src/modules/title/title.c

@@ -56,7 +56,7 @@ void ffPrintTitle(FFTitleOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_TITLE_MODULE_NAME, 0, &options->moduleArgs, FF_TITLE_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_TITLE_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_TITLE_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &instance.state.platform.userName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &hostName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &instance.state.platform.homeDir},
@@ -65,7 +65,7 @@ void ffPrintTitle(FFTitleOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &userNameColored},
             {FF_FORMAT_ARG_TYPE_STRBUF, &atColored},
             {FF_FORMAT_ARG_TYPE_STRBUF, &hostNameColored},
-        });
+        }));
     }
 }
 
@@ -139,7 +139,7 @@ void ffParseTitleJsonObject(FFTitleOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintErrorString(FF_TITLE_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
+        ffPrintError(FF_TITLE_MODULE_NAME, 0, NULL, FF_PRINT_TYPE_NO_CUSTOM_KEY, "Unknown JSON key %s", key);
     }
 }
 
@@ -181,7 +181,7 @@ void ffGenerateTitleJsonResult(FF_MAYBE_UNUSED FFTitleOptions* options, yyjson_m
 
 void ffPrintTitleHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_TITLE_MODULE_NAME, "{6}{7}{8}", FF_TITLE_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_TITLE_MODULE_NAME, "{6}{7}{8}", FF_TITLE_NUM_FORMAT_ARGS, ((const char* []) {
         "User name",
         "Host name",
         "Home directory",
@@ -190,7 +190,7 @@ void ffPrintTitleHelpFormat(void)
         "User name (colored)",
         "@ symbol (colored)",
         "Host name (colored)"
-    });
+    }));
 }
 
 void ffInitTitleOptions(FFTitleOptions* options)

src/modules/uptime/uptime.c

@@ -14,7 +14,7 @@ void ffPrintUptime(FFUptimeOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -77,7 +77,7 @@ void ffPrintUptime(FFUptimeOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_UPTIME_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_UPTIME_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_UINT, &days},
             {FF_FORMAT_ARG_TYPE_UINT, &hours},
             {FF_FORMAT_ARG_TYPE_UINT, &minutes},
@@ -85,7 +85,7 @@ void ffPrintUptime(FFUptimeOptions* options)
             {FF_FORMAT_ARG_TYPE_UINT, &milliseconds},
             {FF_FORMAT_ARG_TYPE_UINT64, &result.uptime},
             {FF_FORMAT_ARG_TYPE_UINT64, &result.bootTime},
-        });
+        }));
     }
 }
 
@@ -112,7 +112,7 @@ void ffParseUptimeJsonObject(FFUptimeOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_UPTIME_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -142,12 +142,15 @@ void ffGenerateUptimeJsonResult(FF_MAYBE_UNUSED FFUptimeOptions* options, yyjson
 
 void ffPrintUptimeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_UPTIME_MODULE_NAME, "{1} days {2} hours {3} mins", FF_UPTIME_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_UPTIME_MODULE_NAME, "{1} days {2} hours {3} mins", FF_UPTIME_NUM_FORMAT_ARGS, ((const char* []) {
         "Days",
         "Hours",
         "Minutes",
-        "Seconds"
-    });
+        "Seconds",
+        "Milliseconds",
+        "Uptime in unix timestamp (ms)",
+        "Boot time in unix timestamp (ms)",
+    }));
 }
 
 void ffInitUptimeOptions(FFUptimeOptions* options)

src/modules/users/users.c

@@ -8,7 +8,7 @@
 
 #pragma GCC diagnostic ignored "-Wformat" // warning: unknown conversion type character 'F' in format
 
-#define FF_USERS_NUM_FORMAT_ARGS 1
+#define FF_USERS_NUM_FORMAT_ARGS 5
 
 void ffPrintUsers(FFUsersOptions* options)
 {
@@ -18,13 +18,13 @@ void ffPrintUsers(FFUsersOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
     if(users.length == 0)
     {
-        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, "%s", "Unable to detect any users");
+        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", "Unable to detect any users");
         return;
     }
 
@@ -74,13 +74,13 @@ void ffPrintUsers(FFUsersOptions* options)
         {
             FFUserResult* user = (FFUserResult*)ffListGet(&users, i);
 
-            ffPrintFormat(FF_USERS_MODULE_NAME, users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_USERS_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_USERS_MODULE_NAME, users.length == 1 ? 0 : (uint8_t) (i + 1), &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_USERS_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &user->name},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &user->hostName},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &user->sessionName},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &user->clientIp},
                 {FF_FORMAT_ARG_TYPE_UINT64, &user->loginTime},
-            });
+            }));
         }
     }
 
@@ -128,7 +128,7 @@ void ffParseUsersJsonObject(FFUsersOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_USERS_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -178,13 +178,13 @@ exit:
 
 void ffPrintUsersHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_USERS_MODULE_NAME, "{1}@{2} - login time {5}", FF_USERS_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_USERS_MODULE_NAME, "{1}@{2} - login time {5}", FF_USERS_NUM_FORMAT_ARGS, ((const char* []) {
         "User name",
         "Host name",
         "Session name",
         "Client IP",
         "Login Time"
-    });
+    }));
 }
 
 void ffInitUsersOptions(FFUsersOptions* options)

src/modules/version/version.c

@@ -31,7 +31,7 @@ void ffPrintVersion(FFVersionOptions* options)
             }
         }
 
-        ffPrintFormat(FF_VERSION_MODULE_NAME, 0, &options->moduleArgs, FF_VERSION_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_VERSION_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_VERSION_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRING, result.projectName},
             {FF_FORMAT_ARG_TYPE_STRING, result.version},
             {FF_FORMAT_ARG_TYPE_STRING, result.versionTweak},
@@ -41,7 +41,7 @@ void ffPrintVersion(FFVersionOptions* options)
             {FF_FORMAT_ARG_TYPE_STRING, result.compileTime},
             {FF_FORMAT_ARG_TYPE_STRING, result.compiler},
             {FF_FORMAT_ARG_TYPE_STRBUF, &buf},
-        });
+        }));
     }
 }
 
@@ -68,7 +68,7 @@ void ffParseVersionJsonObject(FFVersionOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_VERSION_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_VERSION_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -114,7 +114,7 @@ void ffGenerateVersionJsonResult(FF_MAYBE_UNUSED FFVersionOptions* options, yyjs
 
 void ffPrintVersionHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_VERSION_MODULE_NAME, "{1} {2}{3} ({5})", FF_VERSION_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_VERSION_MODULE_NAME, "{1} {2}{3} ({5})", FF_VERSION_NUM_FORMAT_ARGS, ((const char* []) {
         "Project name",
         "Version",
         "Version tweak",
@@ -124,7 +124,7 @@ void ffPrintVersionHelpFormat(void)
         "Date time when compiling",
         "Compiler used",
         "Libc used"
-    });
+    }));
 }
 
 void ffInitVersionOptions(FFVersionOptions* options)

src/modules/vulkan/vulkan.c

@@ -5,7 +5,7 @@
 #include "modules/vulkan/vulkan.h"
 #include "util/stringUtils.h"
 
-#define FF_VULKAN_NUM_FORMAT_ARGS 3
+#define FF_VULKAN_NUM_FORMAT_ARGS 4
 
 void ffPrintVulkan(FFVulkanOptions* options)
 {
@@ -13,7 +13,7 @@ void ffPrintVulkan(FFVulkanOptions* options)
 
     if(vulkan->error)
     {
-        ffPrintError(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, "%s", vulkan->error);
+        ffPrintError(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", vulkan->error);
         return;
     }
 
@@ -43,11 +43,12 @@ void ffPrintVulkan(FFVulkanOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, FF_VULKAN_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_VULKAN_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &vulkan->driver},
             {FF_FORMAT_ARG_TYPE_STRBUF, &vulkan->apiVersion},
-            {FF_FORMAT_ARG_TYPE_STRBUF, &vulkan->conformanceVersion}
-        });
+            {FF_FORMAT_ARG_TYPE_STRBUF, &vulkan->conformanceVersion},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &vulkan->instanceVersion},
+        }));
     }
 }
 
@@ -74,7 +75,7 @@ void ffParseVulkanJsonObject(FFVulkanOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_VULKAN_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -144,12 +145,12 @@ void ffGenerateVulkanJsonResult(FF_MAYBE_UNUSED FFVulkanOptions* options, yyjson
 
 void ffPrintVulkanHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_VULKAN_MODULE_NAME, "{2} - {1}", FF_VULKAN_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_VULKAN_MODULE_NAME, "{2} - {1}", FF_VULKAN_NUM_FORMAT_ARGS, ((const char* []) {
         "Driver name",
         "API version",
         "Conformance version",
         "Instance version",
-    });
+    }));
 }
 
 void ffInitVulkanOptions(FFVulkanOptions* options)

src/modules/wallpaper/wallpaper.c

@@ -24,7 +24,7 @@ void ffPrintWallpaper(FFWallpaperOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -35,10 +35,10 @@ void ffPrintWallpaper(FFWallpaperOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, FF_WALLPAPER_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_WALLPAPER_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRING, filename},
             {FF_FORMAT_ARG_TYPE_STRBUF, &fullpath},
-        });
+        }));
     }
 }
 
@@ -65,7 +65,7 @@ void ffParseWallpaperJsonObject(FFWallpaperOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_WALLPAPER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -91,9 +91,10 @@ void ffGenerateWallpaperJsonResult(FF_MAYBE_UNUSED FFWallpaperOptions* options,
 
 void ffPrintWallpaperHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_WALLPAPER_MODULE_NAME, "{1}", FF_WALLPAPER_NUM_FORMAT_ARGS, (const char* []) {
-        "Wallpaper image file"
-    });
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_WALLPAPER_MODULE_NAME, "{1}", FF_WALLPAPER_NUM_FORMAT_ARGS, ((const char* []) {
+        "File name",
+        "Full path",
+    }));
 }
 
 void ffInitWallpaperOptions(FFWallpaperOptions* options)

src/modules/weather/weather.c

@@ -13,7 +13,7 @@ void ffPrintWeather(FFWeatherOptions* options)
 
     if(error)
     {
-        ffPrintError(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
 
@@ -25,9 +25,9 @@ void ffPrintWeather(FFWeatherOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, FF_WEATHER_NUM_FORMAT_ARGS, (FFformatarg[]) {
+        FF_PRINT_FORMAT_CHECKED(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_WEATHER_NUM_FORMAT_ARGS, ((FFformatarg[]) {
             {FF_FORMAT_ARG_TYPE_STRBUF, &result}
-        });
+        }));
     }
 }
 
@@ -90,7 +90,7 @@ void ffParseWeatherJsonObject(FFWeatherOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_WEATHER_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -127,9 +127,9 @@ void ffGenerateWeatherJsonResult(FFWeatherOptions* options, yyjson_mut_doc* doc,
 
 void ffPrintWeatherHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_WEATHER_MODULE_NAME, "{1}", FF_WEATHER_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_WEATHER_MODULE_NAME, "{1}", FF_WEATHER_NUM_FORMAT_ARGS, ((const char* []) {
         "Weather result"
-    });
+    }));
 }
 
 void ffInitWeatherOptions(FFWeatherOptions* options)

src/modules/wifi/wifi.c

@@ -13,12 +13,12 @@ void ffPrintWifi(FFWifiOptions* options)
     const char* error = ffDetectWifi(&result);
     if(error)
     {
-        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, "%s", error);
+        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%s", error);
         return;
     }
     if(!result.length)
     {
-        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, "No Wifi interfaces found");
+        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No Wifi interfaces found");
         return;
     }
 
@@ -46,7 +46,7 @@ void ffPrintWifi(FFWifiOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_WIFI_MODULE_NAME, moduleIndex, &options->moduleArgs, FF_WIFI_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_WIFI_MODULE_NAME, moduleIndex, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_WIFI_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->inf.description},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->inf.status},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->conn.status},
@@ -57,7 +57,7 @@ void ffPrintWifi(FFWifiOptions* options)
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &item->conn.rxRate},
                 {FF_FORMAT_ARG_TYPE_DOUBLE, &item->conn.txRate},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &item->conn.security},
-            });
+            }));
         }
 
         ffStrbufDestroy(&item->inf.description);
@@ -93,7 +93,7 @@ void ffParseWifiJsonObject(FFWifiOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_WIFI_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -154,7 +154,7 @@ void ffGenerateWifiJsonResult(FF_MAYBE_UNUSED FFWifiOptions* options, yyjson_mut
 
 void ffPrintWifiHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_WIFI_MODULE_NAME, "{4} - {10}", FF_WIFI_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_WIFI_MODULE_NAME, "{4} - {10}", FF_WIFI_NUM_FORMAT_ARGS, ((const char* []) {
         "Interface description",
         "Interface status",
         "Connection status",
@@ -165,7 +165,7 @@ void ffPrintWifiHelpFormat(void)
         "Connection RX rate",
         "Connection TX rate",
         "Connection Security algorithm"
-    });
+    }));
 }
 
 void ffInitWifiOptions(FFWifiOptions* options)

src/modules/wm/wm.c

@@ -13,7 +13,7 @@ void ffPrintWM(FFWMOptions* options)
 
     if(result->wmPrettyName.length == 0)
     {
-        ffPrintError(FF_WM_MODULE_NAME, 0, &options->moduleArgs, "No WM found");
+        ffPrintError(FF_WM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "No WM found");
         return;
     }
 
@@ -45,12 +45,12 @@ void ffPrintWM(FFWMOptions* options)
     }
     else
     {
-        ffPrintFormat(FF_WM_MODULE_NAME, 0, &options->moduleArgs, FF_WM_NUM_FORMAT_ARGS, (FFformatarg[]){
+        FF_PRINT_FORMAT_CHECKED(FF_WM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_WM_NUM_FORMAT_ARGS, ((FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->wmProcessName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->wmPrettyName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->wmProtocolName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &pluginName},
-        });
+        }));
     }
 }
 
@@ -89,7 +89,7 @@ void ffParseWMJsonObject(FFWMOptions* options, yyjson_val* module)
             continue;
         }
 
-        ffPrintError(FF_WM_MODULE_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_WM_MODULE_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -127,12 +127,12 @@ void ffGenerateWMJsonResult(FF_MAYBE_UNUSED FFWMOptions* options, yyjson_mut_doc
 
 void ffPrintWMHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_WM_MODULE_NAME, "{2} ({3})", FF_WM_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_WM_MODULE_NAME, "{2} ({3})", FF_WM_NUM_FORMAT_ARGS, ((const char* []) {
         "WM process name",
         "WM pretty name",
         "WM protocol name",
         "WM plugin name"
-    });
+    }));
 }
 
 void ffInitWMOptions(FFWMOptions* options)

src/modules/wmtheme/wmtheme.c

@@ -19,14 +19,14 @@ void ffPrintWMTheme(FFWMThemeOptions* options)
         }
         else
         {
-            ffPrintFormat(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_WMTHEME_NUM_FORMAT_ARGS, (FFformatarg[]){
+            FF_PRINT_FORMAT_CHECKED(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, FF_WMTHEME_NUM_FORMAT_ARGS, ((FFformatarg[]){
                 {FF_FORMAT_ARG_TYPE_STRBUF, &themeOrError}
-            });
+            }));
         }
     }
     else
     {
-        ffPrintError(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, "%*s", themeOrError.length, themeOrError.chars);
+        ffPrintError(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "%*s", themeOrError.length, themeOrError.chars);
     }
 }
 
@@ -53,7 +53,7 @@ void ffParseWMThemeJsonObject(FFWMThemeOptions* options, yyjson_val* module)
         if (ffJsonConfigParseModuleArgs(key, val, &options->moduleArgs))
             continue;
 
-        ffPrintError(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, "Unknown JSON key %s", key);
+        ffPrintError(FF_WMTHEME_DISPLAY_NAME, 0, &options->moduleArgs, FF_PRINT_TYPE_DEFAULT, "Unknown JSON key %s", key);
     }
 }
 
@@ -79,9 +79,9 @@ void ffGenerateWMThemeJsonResult(FF_MAYBE_UNUSED FFWMThemeOptions* options, yyjs
 
 void ffPrintWMthemeHelpFormat(void)
 {
-    ffPrintModuleFormatHelp(FF_WMTHEME_MODULE_NAME, "{1}", FF_WMTHEME_NUM_FORMAT_ARGS, (const char* []) {
+    FF_PRINT_MODULE_FORMAT_HELP_CHECKED(FF_WMTHEME_MODULE_NAME, "{1}", FF_WMTHEME_NUM_FORMAT_ARGS, ((const char* []) {
         "WM theme"
-    });
+    }));
 }
 
 void ffInitWMThemeOptions(FFWMThemeOptions* options)