fix get device name under linux

Author: dragonflylee

app/src/main.cpp

@@ -56,6 +56,7 @@ int main(int argc, char* argv[]) {
         }
     }
 
+    std::setlocale(LC_ALL, "C.UTF-8");
     // Load cookies and settings
     auto& conf = AppConfig::instance();
     if (!conf.init()) {

app/src/utils/version.cpp

@@ -104,19 +104,9 @@ std::string AppVersion::getDeviceName() {
         return name.data();
     }
 #elif defined(__linux__)
-    static const char* dev_names[] = {
-        "/sys/devices/virtual/dmi/id/product_name",
-        "/sys/devices/virtual/dmi/id/board_name",
-        "/sys/firmware/devicetree/base/model",
-    };
-    for (size_t i = 0; i < sizeof(dev_names); i++) {
-        std::ifstream f(dev_names[i]);
-        if (f.is_open()) {
-            std::string name;
-            std::getline(f, name);
-            while (!std::isprint(name.back())) name.pop_back();
-            if (name.size() > 0) return name;
-        }
+    char name[256];
+    if (!gethostname(name, sizeof(name))) {
+        return name;
     }
 #endif
     return fmt::format("{} for {}", getPackageName(), getPlatform());

app/src/view/mpv_core.cpp

@@ -112,7 +112,7 @@ MPVCore::MPVCore() {
 }
 
 void MPVCore::init() {
-    setlocale(LC_NUMERIC, "C");
+    std::setlocale(LC_NUMERIC, "C");
 #ifdef ANDROID
     auto env = static_cast<JNIEnv *>(SDL_AndroidGetJNIEnv());
     if (!env->GetJavaVM(&g_vm) && g_vm) av_jni_set_java_vm(g_vm, NULL);