[mono/mono] 8f026e3e: Fallback to $LANG if $LC_ALL isn't set.

   Branch: refs/heads/xamarin/monodroid-4.8.2-branch
     Home: https://github.com/mono/mono
  Compare: https://github.com/mono/mono/compare/3618f98f4516...8f026e3ef418

   Commit: 8f026e3ef418c113672dadbc09ff356a69de1134
   Author: Jonathan Pryor <[email protected]> (jonpryor)
     Date: 2013-10-07 16:40:57 GMT
      URL: https://github.com/mono/mono/commit/8f026e3ef418c113672dadbc09ff356a69de1134

Fallback to $LANG if $LC_ALL isn't set.

Fixes: https://bugzilla.xamarin.com/show_bug.cgi?id=15214

This is a regression introduced in be532638.

Xamarin.Android assumes that the $LANG environment variable can be
used to control System.Globalization.CultureInfo.CurrentCulture,
setting LANG based on the current Java locale.

This was broken in be532638 because $LANG was no longer being checked
to determine the default locale, as $LC_ALL was not set.

Fix the fallback logic so that $LANG is checked when $LC_ALL is not.

Changed paths:
  M mono/metadata/locales.c

Modified: mono/metadata/locales.c
===================================================================
@@ -402,7 +402,7 @@ static gint32 string_invariant_indexof_char (MonoString *source, gint32 sindex,
 	const char *locale;
 
 	locale = g_getenv ("LC_ALL");
-	if (locale != NULL){
+	if (locale == NULL) {
 		locale = g_getenv ("LANG");
 		if (locale == NULL)
 			locale = setlocale (LC_ALL, NULL);


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