Separate host detection and printing logic

src/detection/host/host.c

@@ -0,0 +1,25 @@
+#include "host.h"
+
+#include "pthread.h"
+
+void ffDetectHostImpl(FFHostResult* host);
+
+const FFHostResult* ffDetectHost()
+{
+    static FFHostResult host;
+
+    static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+    static bool init = false;
+    pthread_mutex_lock(&mutex);
+    if(init)
+    {
+        pthread_mutex_unlock(&mutex);
+        return &host;
+    }
+    init = true;
+
+    ffDetectHostImpl(&host);
+
+    pthread_mutex_unlock(&mutex);
+    return &host;
+}

src/detection/host/host.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#ifndef FF_INCLUDED_DETECTION_HOST_host
+#define FF_INCLUDED_DETECTION_HOST_host
+
+#include "fastfetch.h"
+
+#define FF_HOST_PRODUCT_NAME_WSL "Windows Subsystem for Linux"
+
+typedef struct FFHostResult
+{
+    FFstrbuf productFamily;
+    FFstrbuf productName;
+    FFstrbuf productVersion;
+    FFstrbuf productSku;
+    FFstrbuf biosDate;
+    FFstrbuf biosRelease;
+    FFstrbuf biosVendor;
+    FFstrbuf biosVersion;
+    FFstrbuf boardName;
+    FFstrbuf boardVendor;
+    FFstrbuf boardVersion;
+    FFstrbuf chassisType;
+    FFstrbuf chassisVendor;
+    FFstrbuf chassisVersion;
+    FFstrbuf sysVendor;
+} FFHostResult;
+
+const FFHostResult* ffDetectHost();
+
+#endif

src/detection/host/host_android.c

@@ -0,0 +1,45 @@
+#include "host.h"
+
+#include <ctype.h>
+
+void ffDetectHostImpl(FFHostResult* host)
+{
+    //Family
+
+    ffStrbufInit(&host->productFamily);
+    ffSettingsGetAndroidProperty("ro.product.device", &host->productFamily);
+
+    //Name
+
+    ffStrbufInit(&host->productName);
+
+    ffSettingsGetAndroidProperty("ro.product.brand", &host->productName);
+    if(host->productName.length > 0){
+        host->productName.chars[0] = (char) toupper(host->productName.chars[0]);
+        ffStrbufAppendC(&host->productName, ' ');
+    }
+
+    ffSettingsGetAndroidProperty("ro.product.model", &host->productName);
+
+    ffStrbufTrimRight(&host->productName, ' ');
+
+    //Sys vendor
+
+    ffStrbufInit(&host->sysVendor);
+    ffSettingsGetAndroidProperty("ro.product.manufacturer", &host->sysVendor);
+
+    //Not implemented
+
+    ffStrbufInitA(&host->productVersion, 0);
+    ffStrbufInitA(&host->productSku, 0);
+    ffStrbufInitA(&host->biosDate, 0);
+    ffStrbufInitA(&host->biosRelease, 0);
+    ffStrbufInitA(&host->biosVendor, 0);
+    ffStrbufInitA(&host->biosVersion, 0);
+    ffStrbufInitA(&host->boardName, 0);
+    ffStrbufInitA(&host->boardVendor, 0);
+    ffStrbufInitA(&host->boardVersion, 0);
+    ffStrbufInitA(&host->chassisType, 0);
+    ffStrbufInitA(&host->chassisVendor, 0);
+    ffStrbufInitA(&host->chassisVersion, 0);
+}

src/detection/host/host_linux.c

@@ -0,0 +1,118 @@
+#include "host.h"
+#include "common/io.h"
+
+#include <stdlib.h>
+
+static bool hostValueSet(FFstrbuf* value)
+{
+    return
+        value->length > 0 &&
+        ffStrbufStartsWithIgnCaseS(value, "To be filled") != true &&
+        ffStrbufStartsWithIgnCaseS(value, "To be set") != true &&
+        ffStrbufStartsWithIgnCaseS(value, "OEM") != true &&
+        ffStrbufStartsWithIgnCaseS(value, "O.E.M.") != true &&
+        ffStrbufIgnCaseCompS(value, "None") != 0 &&
+        ffStrbufIgnCaseCompS(value, "System Product") != 0 &&
+        ffStrbufIgnCaseCompS(value, "System Product Name") != 0 &&
+        ffStrbufIgnCaseCompS(value, "System Product Version") != 0 &&
+        ffStrbufIgnCaseCompS(value, "System Name") != 0 &&
+        ffStrbufIgnCaseCompS(value, "System Version") != 0 &&
+        ffStrbufIgnCaseCompS(value, "Default string") != 0 &&
+        ffStrbufIgnCaseCompS(value, "Undefined") != 0 &&
+        ffStrbufIgnCaseCompS(value, "Not Specified") != 0 &&
+        ffStrbufIgnCaseCompS(value, "Not Applicable") != 0 &&
+        ffStrbufIgnCaseCompS(value, "INVALID") != 0 &&
+        ffStrbufIgnCaseCompS(value, "Type1ProductConfigId") != 0 &&
+        ffStrbufIgnCaseCompS(value, "All Series") != 0
+    ;
+}
+
+static void getHostValue(const char* devicesPath, const char* classPath, FFstrbuf* buffer)
+{
+    ffReadFileBuffer(devicesPath, buffer);
+    if(hostValueSet(buffer))
+        return;
+
+    ffReadFileBuffer(classPath, buffer);
+    if(hostValueSet(buffer))
+        return;
+
+    ffStrbufClear(buffer);
+}
+
+static void getHostProductName(FFstrbuf* name)
+{
+    getHostValue("/sys/devices/virtual/dmi/id/product_name", "/sys/class/dmi/id/product_name", name);
+    if(name->length > 0)
+        return;
+
+    ffReadFileBuffer("/sys/firmware/devicetree/base/model", name);
+    if(hostValueSet(name))
+        return;
+
+    //does a clear before the read
+    ffReadFileBuffer("/tmp/sysinfo/model", name);
+    if(hostValueSet(name))
+        return;
+
+    ffStrbufClear(name);
+}
+
+void ffDetectHostImpl(FFHostResult* host)
+{
+    ffStrbufInit(&host->productFamily);
+    getHostValue("/sys/devices/virtual/dmi/id/product_family", "/sys/class/dmi/id/product_family", &host->productFamily);
+
+    ffStrbufInit(&host->productName);
+    getHostProductName(&host->productName);
+
+    ffStrbufInit(&host->productVersion);
+    getHostValue("/sys/devices/virtual/dmi/id/product_version", "/sys/class/dmi/id/product_version", &host->productVersion);
+
+    ffStrbufInit(&host->productSku);
+    getHostValue("/sys/devices/virtual/dmi/id/product_sku", "/sys/class/dmi/id/product_sku", &host->productSku);
+
+    ffStrbufInit(&host->biosDate);
+    getHostValue("/sys/devices/virtual/dmi/id/bios_date", "/sys/class/dmi/id/bios_date", &host->biosDate);
+
+    ffStrbufInit(&host->biosRelease);
+    getHostValue("/sys/devices/virtual/dmi/id/bios_release", "/sys/class/dmi/id/bios_release", &host->biosRelease);
+
+    ffStrbufInit(&host->biosVendor);
+    getHostValue("/sys/devices/virtual/dmi/id/bios_vendor", "/sys/class/dmi/id/bios_vendor", &host->biosVendor);
+
+    ffStrbufInit(&host->biosVersion);
+    getHostValue("/sys/devices/virtual/dmi/id/bios_version", "/sys/class/dmi/id/bios_version", &host->biosVersion);
+
+    ffStrbufInit(&host->boardName);
+    getHostValue("/sys/devices/virtual/dmi/id/board_name", "/sys/class/dmi/id/board_name", &host->boardName);
+
+    ffStrbufInit(&host->boardVendor);
+    getHostValue("/sys/devices/virtual/dmi/id/board_vendor", "/sys/class/dmi/id/board_vendor", &host->boardVendor);
+
+    ffStrbufInit(&host->boardVersion);
+    getHostValue("/sys/devices/virtual/dmi/id/board_version", "/sys/class/dmi/id/board_version", &host->boardVersion);
+
+    ffStrbufInit(&host->chassisType);
+    getHostValue("/sys/devices/virtual/dmi/id/chassis_type", "/sys/class/dmi/id/chassis_type", &host->chassisType);
+
+    ffStrbufInit(&host->chassisVendor);
+    getHostValue("/sys/devices/virtual/dmi/id/chassis_vendor", "/sys/class/dmi/id/chassis_vendor", &host->chassisVendor);
+
+    ffStrbufInit(&host->chassisVersion);
+    getHostValue("/sys/devices/virtual/dmi/id/chassis_version", "/sys/class/dmi/id/chassis_version", &host->chassisVersion);
+
+    ffStrbufInit(&host->sysVendor);
+    getHostValue("/sys/devices/virtual/dmi/id/sys_vendor", "/sys/class/dmi/id/sys_vendor", &host->sysVendor);
+
+    //KVM/Qemu virtual machine
+    if(ffStrbufStartsWithS(&host->productName, "Standard PC"))
+        ffStrbufPrependS(&host->productName, "KVM/QEMU ");
+
+    //On WSL, the real host can't be detected. Instead use WSL as host.
+    if(host->productFamily.length == 0 && host->productName.length == 0 && (
+        getenv("WSLENV") != NULL ||
+        getenv("WSL_DISTRO") != NULL ||
+        getenv("WSL_INTEROP") != NULL
+    )) ffStrbufAppendS(&host->productName, FF_HOST_PRODUCT_NAME_WSL);
+}