Initial Commit

platform/locale.c

@@ -0,0 +1,71 @@
+#include <windows.h>
+
+#include "hook/table.h"
+
+#include "platform/locale.h"
+
+#include "util/dprintf.h"
+
+static GEOID WINAPI my_GetUserGeoID(GEOCLASS GeoClass);
+static LCID WINAPI my_GetUserDefaultLCID();
+static LANGID WINAPI my_GetSystemDefaultUILanguage();
+
+static GEOID (WINAPI *next_GetUserGeoID)(GEOCLASS GeoClass);
+static LCID (WINAPI *next_GetUserDefaultLCID)();
+static LANGID (WINAPI *next_GetSystemDefaultUILanguage)();
+
+static const struct hook_symbol bnusio_hooks[] = {
+    {
+        .name = "GetUserGeoID",
+        .patch = my_GetUserGeoID,
+        .link = (void **) &next_GetUserGeoID
+    },{
+        .name = "GetUserDefaultLCID",
+        .patch = my_GetUserDefaultLCID,
+        .link = (void **) &next_GetUserDefaultLCID
+    },{
+        .name = "GetSystemDefaultUILanguage",
+        .patch = my_GetSystemDefaultUILanguage,
+        .link = (void **) &next_GetSystemDefaultUILanguage
+    },
+};
+
+static void locale_hook_insert_hooks(HMODULE target)
+{
+    hook_table_apply(
+            target,
+            "kernel32.dll",
+            bnusio_hooks,
+            _countof(bnusio_hooks));
+}
+
+HRESULT locale_hook_init(const struct locale_config *cfg)
+{
+    locale_hook_insert_hooks(NULL);
+    dprintf("Locale: Init\n");
+    return S_OK;
+}
+
+GEOID WINAPI my_GetUserGeoID(GEOCLASS GeoClass)
+{
+    dprintf("Locale: returning Japan GeoID\n");
+    return 0x7a;
+}
+
+LCID WINAPI my_GetUserDefaultLCID()
+{
+    // This function seems to get spammed quite a bit, so commenting
+    // this out to quiet down the logs. Change to 1 to log this again
+
+    #if 0
+        dprintf("Locale: %s returning Japanese LCID\n", __func__);
+    #endif
+
+    return MAKELCID(LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN);
+}
+
+LANGID WINAPI my_GetSystemDefaultUILanguage()
+{
+    dprintf("Locale: returning Japanese LANGID\n");
+    return LANGIDFROMLCID(MAKELCID(LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN));
+}