From 404369cd9f59dea1e66a3828b1dba0baaba958a9 Mon Sep 17 00:00:00 2001
From: Inori <strix@struma.me>
Date: Sat, 31 Aug 2019 14:42:16 -0400
Subject: [PATCH] heck

---
 src/lang-fun.cpp | 94 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/lang-fun.h   |  3 ++
 2 files changed, 97 insertions(+)
 create mode 100644 src/lang-fun.cpp
 create mode 100644 src/lang-fun.h

diff --git a/src/lang-fun.cpp b/src/lang-fun.cpp
new file mode 100644
index 00000000..be61275b
--- /dev/null
+++ b/src/lang-fun.cpp
@@ -0,0 +1,94 @@
+#if defined(__WIN32__)
+
+#include <windows.h>
+#include <stdlib.h>
+
+#else
+#include <locale>
+
+#ifdef __APPLE__
+extern "C" {
+#include <CoreFoundation/CFLocale.h>
+#include <CoreFoundation/CFString.h>
+}
+#endif
+
+#endif
+
+#include <string>
+#include "lang-fun.h"
+
+// ======================================================================
+// https://github.com/wine-mirror/wine/blob/master/dlls/kernel32/locale.c
+// ======================================================================
+
+#ifdef __APPLE__
+/***********************************************************************
+ *           get_mac_locale
+ *
+ * Return a locale identifier string reflecting the Mac locale, in a form
+ * that parse_locale_name() will understand.  So, strip out unusual
+ * things like script, variant, etc.  Or, rather, just construct it as
+ * <lang>[_<country>].UTF-8.
+ */
+static const char* get_mac_locale(void)
+{
+    static char mac_locale[50];
+    
+    if (!mac_locale[0])
+    {
+        CFLocaleRef locale = CFLocaleCopyCurrent();
+        CFStringRef lang = (CFStringRef)CFLocaleGetValue( locale, kCFLocaleLanguageCode );
+        CFStringRef country = (CFStringRef)CFLocaleGetValue( locale, kCFLocaleCountryCode );
+        CFStringRef locale_string;
+        
+        if (country)
+            locale_string = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@_%@"), lang, country);
+        else
+            locale_string = CFStringCreateCopy(NULL, lang);
+        
+        CFStringGetCString(locale_string, mac_locale, sizeof(mac_locale), kCFStringEncodingUTF8);
+        strcat(mac_locale, ".UTF-8");
+        
+        CFRelease(locale);
+        CFRelease(locale_string);
+    }
+    
+    return mac_locale;
+}
+#endif
+
+const char *getUserLanguage()
+{
+    static char buf[50] = {0};
+#if defined(__WIN32__)
+    wchar_t wbuf[50] = {0};
+    LANGID lid = GetUserDefaultLangId();
+    LCIDToLocaleName(lid, wbuf, sizeof(wbuf), 0);
+    wcstombs(buf, wbuf, sizeof(buf));
+#else
+    strncpy(buf, std::locale("").name().c_str(), sizeof(buf));
+#ifdef __APPLE__
+    if (!buf[0]) strncpy(buf, get_mac_locale(), sizeof(buf));
+#endif
+#endif
+
+    for (int i = 0; i < strlen(buf); i++)
+    {
+#ifdef __WIN32__
+        if (buf[i] == '-')
+        {
+            buf[i] = '_';
+#else
+        if (buf[i] == '.')
+        {
+            buf[i] = 0;
+#endif
+            break;
+        }
+    }
+    
+    return buf;
+}
+
+
diff --git a/src/lang-fun.h b/src/lang-fun.h
new file mode 100644
index 00000000..cd78310b
--- /dev/null
+++ b/src/lang-fun.h
@@ -0,0 +1,3 @@
+#pragma once
+
+const char *getUserLanguage();