From 11d45b0090be38423587ef8d1a0215937932223e Mon Sep 17 00:00:00 2001
From: Petri Lehtinen <petri@digip.org>
Date: Sun, 21 Jul 2013 13:00:25 +0300
Subject: [PATCH] Fix integer overflow in jsonp_strdup()

Fixes #129.
---
 src/memory.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/memory.c b/src/memory.c
index 543ecc4..dd49941 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -35,8 +35,13 @@ void jsonp_free(void *ptr)
 char *jsonp_strdup(const char *str)
 {
     char *new_str;
+    size_t len;
 
-    new_str = jsonp_malloc(strlen(str) + 1);
+    len = strlen(str);
+    if(len == (size_t)-1)
+        return NULL;
+
+    new_str = jsonp_malloc(len + 1);
     if(!new_str)
         return NULL;