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authorYang Tse <yangsita@gmail.com>2011-09-15 17:35:23 +0200
committerYang Tse <yangsita@gmail.com>2011-09-15 17:35:23 +0200
commitff9d85872248f360aa76791b050872fb332a1ea0 (patch)
tree7c436a9007a5b059c15ee8b4556fb48d7a79e77e /lib
parentf7583b2dea9fcbc9771ff49cc55e5e934fee3894 (diff)
downloadcurl-ff9d85872248f360aa76791b050872fb332a1ea0.tar.gz
Make Curl_safefree() macro assign NULL to given pointer when free'd
Diffstat (limited to 'lib')
-rw-r--r--lib/memdebug.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/memdebug.h b/lib/memdebug.h
index 6e778b4da..1e02645f9 100644
--- a/lib/memdebug.h
+++ b/lib/memdebug.h
@@ -152,8 +152,10 @@ CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
/*
* Curl_safefree defined as a macro to allow MemoryTracking feature
* to log free() calls at same location where Curl_safefree is used.
+ * This macro also assigns NULL to given pointer when free'd.
*/
-#define Curl_safefree(ptr) do {if((ptr)) free((ptr));} WHILE_FALSE
+#define Curl_safefree(ptr) \
+ do {if((ptr)) {free((ptr)); (ptr) = NULL;}} WHILE_FALSE
#endif /* HEADER_CURL_MEMDEBUG_H */