From 697a9948df3c9d4275b3525227007bfd5a1c5709 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Thu, 27 May 2010 14:18:08 -0700
Subject: Ticket #2329: fix for use of _m() translation functions from outside
 of plugin directories

---
 lib/language.php | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/lib/language.php b/lib/language.php
index 64b59e739..3846b8f35 100644
--- a/lib/language.php
+++ b/lib/language.php
@@ -205,12 +205,20 @@ function _mdomain($backtrace)
         if (DIRECTORY_SEPARATOR !== '/') {
             $path = strtr($path, DIRECTORY_SEPARATOR, '/');
         }
-        $cut = strpos($path, '/plugins/') + 9;
-        $cut2 = strpos($path, '/', $cut);
-        if ($cut && $cut2) {
-            $cached[$path] = substr($path, $cut, $cut2 - $cut);
-        } else {
+        $plug = strpos($path, '/plugins/');
+        if ($plug === false) {
+            // We're not in a plugin; return null for the default domain.
             return null;
+        } else {
+            $cut = $plug + 9;
+            $cut2 = strpos($path, '/', $cut);
+            if ($cut2) {
+                $cached[$path] = substr($path, $cut, $cut2 - $cut);
+            } else {
+                // We might be running directly from the plugins dir?
+                // If so, there's no place to store locale info.
+                return null;
+            }
         }
     }
     return $cached[$path];
-- 
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