3 files changed, 43 insertions, 0 deletions
diff --git a/src/detection/locale/locale.h b/src/detection/locale/locale.h
new file mode 100644
index 0000000..50f0bad
--- /dev/null
+++ b/src/detection/locale/locale.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include "fastfetch.h"
+
+const char* ffDetectLocale(FFstrbuf* result);
diff --git a/src/detection/locale/locale_linux.c b/src/detection/locale/locale_linux.c
new file mode 100644
index 0000000..4c04f26
--- /dev/null
+++ b/src/detection/locale/locale_linux.c
@@ -0,0 +1,22 @@
+#include "detection/locale/locale.h"
+
+#include <locale.h>
+
+const char* ffDetectLocale(FFstrbuf* result) {
+    ffStrbufAppendS(result, getenv("LC_ALL"));
+    if (result->length > 0) {
+        return NULL;
+    }
+
+    ffStrbufAppendS(result, getenv("LANG"));
+    if (result->length > 0) {
+        return NULL;
+    }
+
+    ffStrbufAppendS(result, setlocale(LC_TIME, NULL));
+    if (result->length > 0) {
+        return NULL;
+    }
+
+    return "Failed to detect locale";
+}
diff --git a/src/detection/locale/locale_windows.c b/src/detection/locale/locale_windows.c
new file mode 100644
index 0000000..b247365
--- /dev/null
+++ b/src/detection/locale/locale_windows.c
@@ -0,0 +1,16 @@
+#include "detection/locale/locale.h"
+#include "common/windows/unicode.h"
+
+#include <windows.h>
+
+const char* ffDetectLocale(FFstrbuf* result) {
+    wchar_t name[LOCALE_NAME_MAX_LENGTH];
+    int size = GetUserDefaultLocaleName(name, LOCALE_NAME_MAX_LENGTH);
+    if (size <= 1) { // including '\0'
+        return "GetUserDefaultLocaleName() failed";
+    }
+
+    ffStrbufSetNWS(result, (uint32_t) size - 1, name);
+
+    return NULL;
+}