From: Pavel Charvat <pchar@ucw.cz>
Date: Thu, 28 Nov 2013 12:09:47 +0000 (+0100)
Subject: LibUCW: xrealloc(ptr, 0) should return NULL and not die.
X-Git-Tag: v5.99~67
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=8492dba65d1c805315ffd5d3b2addca3c293d3f0;p=libucw.git

LibUCW: xrealloc(ptr, 0) should return NULL and not die.
---

diff --git a/ucw/realloc.c b/ucw/realloc.c
index 3f2eff2b..4a15e3aa 100644
--- a/ucw/realloc.c
+++ b/ucw/realloc.c
@@ -16,7 +16,7 @@ xrealloc(void *old, size_t size)
 {
   /* We assume that realloc(NULL, x) works like malloc(x), which is true with the glibc. */
   void *x = realloc(old, size);
-  if (!x)
+  if (!x && size)
     die("Cannot reallocate %zu bytes of memory", size);
   return x;
 }