Mercurial > pidgin-twitter

changeset 311:5a22c65d019c

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fix for memory overrun
author Yoshiki Yazawa <[email protected]>
date Sun, 05 Jul 2009 10:40:27 +0900
parents aa1f0dd1a723
children e2156468f4e5
files util.c
diffstat 1 files changed, 5 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/util.c	Thu Jul 02 15:54:44 2009 +0900
+++ b/util.c	Sun Jul 05 10:40:27 2009 +0900
@@ -77,10 +77,12 @@
 
     const gchar *ptr, *ent;
     gchar *ptr2;
+    gint srclen;
     gint entlen;
 
     /* unescape &x; */
-    html = g_malloc0(strlen(src) + 1);
+    srclen = strlen(src);
+    html = g_malloc0(srclen + 1);
     ptr2 = html;
     for(ptr = src; *ptr; ) {
         if(*ptr == '&') {
@@ -98,6 +100,8 @@
         else {
             *ptr2++ = *ptr++;
         }
+        if(ptr2 - html > srclen)
+            break;
     } /* for */
 
     str = g_strdup("\0");