msvcrt: Skip exhaustive locale search with valid snames.

dlls/msvcr110/tests/msvcr110.c

@@ -153,14 +153,14 @@ static void test_setlocale(void)
     ok(!ret, "setlocale(en-us.1250) succeeded (%s)\n", ret);
 
     ret = p_setlocale(LC_ALL, "zh-Hans");
-    todo_wine ok((ret != NULL
+    ok((ret != NULL
         || broken(ret == NULL)), /* Vista */
         "expected success, but got NULL\n");
     if (ret)
         ok(!strcmp(ret, "zh-Hans"), "setlocale zh-Hans failed\n");
 
     ret = p_setlocale(LC_ALL, "zh-Hant");
-    todo_wine ok((ret != NULL
+    ok((ret != NULL
         || broken(ret == NULL)), /* Vista */
         "expected success, but got NULL\n");
     if (ret)

dlls/msvcr120/tests/msvcr120.c

@@ -598,11 +598,11 @@ static void test____lc_locale_name_func(void)
 
     p_setlocale(LC_ALL, "zh-Hans");
     lc_names = p____lc_locale_name_func();
-    todo_wine ok(!lstrcmpW(lc_names[1], L"zh-Hans"), "lc_names[1] expected zh-Hans got %s\n", wine_dbgstr_w(lc_names[1]));
+    ok(!lstrcmpW(lc_names[1], L"zh-Hans"), "lc_names[1] expected zh-Hans got %s\n", wine_dbgstr_w(lc_names[1]));
 
     p_setlocale(LC_ALL, "zh-Hant");
     lc_names = p____lc_locale_name_func();
-    todo_wine ok(!lstrcmpW(lc_names[1], L"zh-Hant"), "lc_names[1] expected zh-Hant got %s\n", wine_dbgstr_w(lc_names[1]));
+    ok(!lstrcmpW(lc_names[1], L"zh-Hant"), "lc_names[1] expected zh-Hant got %s\n", wine_dbgstr_w(lc_names[1]));
 
     p_setlocale(LC_ALL, "C");
     lc_names = p____lc_locale_name_func();

dlls/msvcrt/locale.c

@@ -343,6 +343,7 @@ BOOL locale_to_sname(const char *locale, unsigned short *codepage, BOOL *sname_m
     if(!locale[0] || (cp == locale && !region)) {
         GetUserDefaultLocaleName(sname, sname_size);
     } else {
+        WCHAR wbuf[LOCALE_NAME_MAX_LENGTH];
         locale_search_t search;
 
         memset(&search, 0, sizeof(locale_search_t));
@@ -364,9 +365,19 @@ BOOL locale_to_sname(const char *locale, unsigned short *codepage, BOOL *sname_m
         if(!cp && !region)
         {
             remap_synonym(search.search_language);
+#if _MSVCR_VER >= 110
             search.allow_sname = TRUE;
+#endif
         }
 
+        MultiByteToWideChar(CP_ACP, 0, search.search_language, -1, wbuf, LOCALE_NAME_MAX_LENGTH);
+        if (search.allow_sname && IsValidLocaleName(wbuf))
+        {
+            search.match_flags = FOUND_SNAME;
+            wcsncpy(sname, wbuf, sname_size);
+        }
+        else
+        {
             EnumSystemLocalesEx( find_best_locale_proc, 0, (LPARAM)&search, NULL);
 
             if (!search.match_flags)
@@ -379,6 +390,8 @@ BOOL locale_to_sname(const char *locale, unsigned short *codepage, BOOL *sname_m
                 return FALSE;
 
             LCIDToLocaleName(search.found_lang_id, sname, sname_size, LOCALE_ALLOW_NEUTRAL_NAMES);
+        }
+
         is_sname = (search.match_flags & FOUND_SNAME) != 0;
     }