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Make Curl_safefree() macro assign NULL to given pointer when free'd

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This commit is contained in:
Yang Tse 2011-09-15 17:35:23 +02:00
parent f7583b2dea
commit ff9d858722
1 changed files with 3 additions and 1 deletions
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4
lib/memdebug.h
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@ -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 * Curl_safefree defined as a macro to allow MemoryTracking feature
* to log free() calls at same location where Curl_safefree is used. * 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 */ #endif /* HEADER_CURL_MEMDEBUG_H */