From d17d9715a23618871b5b86649d4fe118ce0e64c1 Mon Sep 17 00:00:00 2001
From: "timeless@mozdev.org" <timeless@mozdev.org>
Date: Tue, 8 Feb 2011 09:43:18 +0100
Subject: [PATCH] Bug 615842 - comparison between signed and unsigned integer
 expressions in ReadStrings. r=rstrong a=mossop

---
 toolkit/mozapps/readstrings/readstrings.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/toolkit/mozapps/readstrings/readstrings.cpp b/toolkit/mozapps/readstrings/readstrings.cpp
index e4e09c3fffc..04421913da9 100644
--- a/toolkit/mozapps/readstrings/readstrings.cpp
+++ b/toolkit/mozapps/readstrings/readstrings.cpp
@@ -167,10 +167,11 @@ ReadStrings(const NS_tchar *path,
   if (fseek(fp, 0, SEEK_END) != 0)
     return READ_ERROR;
 
-  long flen = ftell(fp);
-  if (flen == 0)
+  long len = ftell(fp);
+  if (len <= 0)
     return READ_ERROR;
 
+  size_t flen = size_t(len);
   char *fileContents = new char[flen + 1];
   if (!fileContents)
     return MEM_ERROR;