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CRYPTO_malloc(), CRYPTO_realloc() and variants of them should return NULL

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if the give size is 0.

This is a thought that came up in PR 751.
This commit is contained in:
Richard Levitte 2003-12-01 12:06:15 +00:00
parent 0bf1c1d80d
commit 6781efb92f
1 changed files with 4 additions and 4 deletions
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8
crypto/mem.c
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@ -252,7 +252,7 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line)
void *ret = NULL; void *ret = NULL;
extern unsigned char cleanse_ctr; extern unsigned char cleanse_ctr;
if (num < 0) return NULL; if (num <= 0) return NULL;
allow_customize = 0; allow_customize = 0;
if (malloc_debug_func != NULL) if (malloc_debug_func != NULL)
@ -293,7 +293,7 @@ void *CRYPTO_malloc(int num, const char *file, int line)
void *ret = NULL; void *ret = NULL;
extern unsigned char cleanse_ctr; extern unsigned char cleanse_ctr;
if (num < 0) return NULL; if (num <= 0) return NULL;
allow_customize = 0; allow_customize = 0;
if (malloc_debug_func != NULL) if (malloc_debug_func != NULL)
@ -324,7 +324,7 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line)
if (str == NULL) if (str == NULL)
return CRYPTO_malloc(num, file, line); return CRYPTO_malloc(num, file, line);
if (num < 0) return NULL; if (num <= 0) return NULL;
if (realloc_debug_func != NULL) if (realloc_debug_func != NULL)
realloc_debug_func(str, NULL, num, file, line, 0); realloc_debug_func(str, NULL, num, file, line, 0);
@ -346,7 +346,7 @@ void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file,
if (str == NULL) if (str == NULL)
return CRYPTO_malloc(num, file, line); return CRYPTO_malloc(num, file, line);
if (num < 0) return NULL; if (num <= 0) return NULL;
if (realloc_debug_func != NULL) if (realloc_debug_func != NULL)
realloc_debug_func(str, NULL, num, file, line, 0); realloc_debug_func(str, NULL, num, file, line, 0);