From: Tollef Fog Heen <tfheen@err.no>
Date: Sat, 1 Oct 2005 10:13:57 +0000 (+0000)
Subject: Fix possible off-by-one
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d840e70463fc985a2c482a7e263ff237ecf570b;p=pkg-config

Fix possible off-by-one
Apply last part of patch from freedesktop #4034 so we don't do silly
things if len is zero.
---

diff --git a/pkg.c b/pkg.c
index 70ff9ce..dbb4288 100644
--- a/pkg.c
+++ b/pkg.c
@@ -1241,7 +1241,8 @@ packages_get_var (GSList     *pkgs,
     }
 
   /* chop last space */
-  str->str[str->len - 1] = '\0';
+  if (str->len > 0)
+      str->str[str->len - 1] = '\0';
   retval = str->str;
   g_string_free (str, FALSE);