Global: replaces NULL to nullptr

src/detection/swap/swap_apple.c

@@ -6,7 +6,7 @@
 const char* ffDetectSwap(FFlist* result) {
     struct xsw_usage xsw;
     size_t size = sizeof(xsw);
-    if (sysctl((int[]) { CTL_VM, VM_SWAPUSAGE }, 2, &xsw, &size, NULL, 0) != 0) {
+    if (sysctl((int[]) { CTL_VM, VM_SWAPUSAGE }, 2, &xsw, &size, nullptr, 0) != 0) {
         return "Failed to read vm.swapusage";
     }
 
@@ -15,7 +15,7 @@ const char* ffDetectSwap(FFlist* result) {
             // "vm.compressor_mode" no longer exists in macOS 26.0
         } else {
             if (ffSysctlGetInt("vm.compressor_mode", 4) <= 2) {
-                return NULL; // Swap is disabled
+                return nullptr; // Swap is disabled
             }
         }
     }
@@ -24,5 +24,5 @@ const char* ffDetectSwap(FFlist* result) {
     ffStrbufInitStatic(&swap->name, xsw.xsu_encrypted ? "Encrypted" : "Normal");
     swap->bytesTotal = xsw.xsu_total;
     swap->bytesUsed = xsw.xsu_used;
-    return NULL;
+    return nullptr;
 }

src/detection/swap/swap_bsd.c

@@ -25,7 +25,7 @@ static void addSwapEntry(FFlist* result, struct xswdev* xsw, uint32_t pageSize)
 const char* ffDetectSwap(FFlist* result) {
     struct xswdev xsws[32];
     size_t size = sizeof(xsws);
-    if (sysctlbyname("vm.swap_info_array", xsws, &size, NULL, 0) < 0) {
+    if (sysctlbyname("vm.swap_info_array", xsws, &size, nullptr, 0) < 0) {
         return "sysctlbyname(\"vm.swap_info_array\") failed";
     }
 
@@ -33,7 +33,7 @@ const char* ffDetectSwap(FFlist* result) {
 
     size_t count = size / sizeof(struct xswdev);
     if (count == 0) {
-        return NULL;
+        return nullptr;
     }
 
     if (xsws->xsw_version != XSWDEV_VERSION) {
@@ -44,7 +44,7 @@ const char* ffDetectSwap(FFlist* result) {
         addSwapEntry(result, &xsws[i], pageSize);
     }
 
-    return NULL;
+    return nullptr;
 }
 
 #elif __FreeBSD__
@@ -62,7 +62,7 @@ const char* ffDetectSwap(FFlist* result) {
         mib[mibsize] = n;
         struct xswdev xsw;
         size_t size = sizeof(xsw);
-        if (sysctl(mib, (uint32_t) (mibsize + 1), &xsw, &size, NULL, 0) < 0) {
+        if (sysctl(mib, (uint32_t) (mibsize + 1), &xsw, &size, nullptr, 0) < 0) {
             break;
         }
         if (xsw.xsw_version != XSWDEV_VERSION) {
@@ -72,7 +72,7 @@ const char* ffDetectSwap(FFlist* result) {
         addSwapEntry(result, &xsw, pageSize);
     }
 
-    return NULL;
+    return nullptr;
 }
 
 #endif

src/detection/swap/swap_haiku.c

@@ -14,7 +14,7 @@ const char* ffDetectSwap(FFlist* result) {
     ffStrbufInitStatic(&swap->name, "System");
     void* kvms = load_driver_settings("virtual_memory"); // /boot/home/config/settings/kernel/drivers/virtual_memory
     if (kvms) {
-        const char* swapAuto = get_driver_parameter(kvms, "swap_auto", NULL, NULL);
+        const char* swapAuto = get_driver_parameter(kvms, "swap_auto", nullptr, nullptr);
         if (swapAuto) {
             ffStrbufSetStatic(&swap->name, swapAuto[0] == 'y' ? "Auto" : "Manual");
         }
@@ -23,5 +23,5 @@ const char* ffDetectSwap(FFlist* result) {
     swap->bytesTotal = pageSize * (uint64_t) info.max_swap_pages;
     swap->bytesUsed = pageSize * (uint64_t) (info.max_swap_pages - info.free_swap_pages);
 
-    return NULL;
+    return nullptr;
 }

src/detection/swap/swap_linux.c

@@ -17,13 +17,13 @@ static const char* detectByProcMeminfo(FFlist* result) {
 
     uint64_t swapTotal = 0, swapFree = 0;
 
-    char* token = NULL;
-    if ((token = strstr(buf, "SwapTotal:")) != NULL) {
-        swapTotal = strtoul(token + strlen("SwapTotal:"), NULL, 10);
+    char* token = nullptr;
+    if ((token = strstr(buf, "SwapTotal:")) != nullptr) {
+        swapTotal = strtoul(token + strlen("SwapTotal:"), nullptr, 10);
     }
 
-    if ((token = strstr(buf, "SwapFree:")) != NULL) {
-        swapFree = strtoul(token + strlen("SwapFree:"), NULL, 10);
+    if ((token = strstr(buf, "SwapFree:")) != nullptr) {
+        swapFree = strtoul(token + strlen("SwapFree:"), nullptr, 10);
     }
 
     FFSwapResult* swap = FF_LIST_ADD(FFSwapResult, *result);
@@ -31,7 +31,7 @@ static const char* detectByProcMeminfo(FFlist* result) {
     swap->bytesTotal = swapTotal * 1024lu;
     swap->bytesUsed = (swapTotal - swapFree) * 1024lu;
 
-    return NULL;
+    return nullptr;
 }
 
 static const char* detectByProcSwaps(FFlist* result) {
@@ -59,7 +59,7 @@ static const char* detectByProcSwaps(FFlist* result) {
         for (size_t i = 0; i < nameLen; ++i) {
             if (name[i] == '\\') {
                 char octal[4] = { name[i + 1], name[i + 2], name[i + 3], '\0' };
-                ffStrbufAppendC(&swap->name, (char) strtol(octal, NULL, 8));
+                ffStrbufAppendC(&swap->name, (char) strtol(octal, nullptr, 8));
                 i += 3;
             } else {
                 ffStrbufAppendC(&swap->name, name[i]);
@@ -71,12 +71,12 @@ static const char* detectByProcSwaps(FFlist* result) {
         line = memchr(line, '\n', (size_t) (nRead - (line - buf)));
     }
 
-    return NULL;
+    return nullptr;
 }
 
 const char* ffDetectSwap(FFlist* result) {
-    if (detectByProcSwaps(result) == NULL) {
-        return NULL;
+    if (detectByProcSwaps(result) == nullptr) {
+        return nullptr;
     }
     return detectByProcMeminfo(result);
 }

src/detection/swap/swap_obsd.c

@@ -13,7 +13,7 @@ const char* ffDetectSwap(FFlist* result) {
         return "swapctl(SWAP_NSWAP) failed";
     }
     if (nswap == 0) {
-        return NULL;
+        return nullptr;
     }
 
     FF_AUTO_FREE struct swapent* swdev = malloc((uint32_t) nswap * sizeof(*swdev));
@@ -31,5 +31,5 @@ const char* ffDetectSwap(FFlist* result) {
         }
     }
 
-    return NULL;
+    return nullptr;
 }

src/detection/swap/swap_sunos.c

@@ -28,5 +28,5 @@ const char* ffDetectSwap(FFlist* result) {
         swap->bytesUsed = swap->bytesTotal - (uint64_t) table->swt_ent[i].ste_free * pageSize;
     }
 
-    return NULL;
+    return nullptr;
 }

src/detection/swap/swap_windows.c

@@ -15,7 +15,7 @@ const char* ffDetectSwap(FFlist* result) {
     }
 
     if (size == 0) {
-        return NULL;
+        return nullptr;
     }
 
     uint32_t pageSize = instance.state.platform.sysinfo.pageSize;
@@ -31,5 +31,5 @@ const char* ffDetectSwap(FFlist* result) {
             break;
         }
     }
-    return NULL;
+    return nullptr;
 }