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From: Yegor Yefremov <yegorslists@googlemail.com>
Date: Fri, 10 Oct 2014 12:23:09 +0200
Subject: xmlmemory: handle realloc properly
If realloc fails, free original pointer.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
xmlmemory.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/xmlmemory.c b/xmlmemory.c
index 37dcf3b..6110849 100644
--- a/xmlmemory.c
+++ b/xmlmemory.c
@@ -313,7 +313,7 @@ xmlMemMalloc(size_t size)
void *
xmlReallocLoc(void *ptr,size_t size, const char * file, int line)
{
- MEMHDR *p;
+ MEMHDR *p, *tmp;
unsigned long number;
#ifdef DEBUG_MEMORY
size_t oldsize;
@@ -344,10 +344,12 @@ xmlReallocLoc(void *ptr,size_t size, const char * file, int line)
#endif
xmlMutexUnlock(xmlMemMutex);
- p = (MEMHDR *) realloc(p,RESERVE_SIZE+size);
- if (!p) {
+ tmp = (MEMHDR *) realloc(p,RESERVE_SIZE+size);
+ if (!tmp) {
+ free(p);
goto error;
}
+ p = tmp;
if (xmlMemTraceBlockAt == ptr) {
xmlGenericError(xmlGenericErrorContext,
"%p : Realloced(%lu -> %lu) Ok\n",
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