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In realloc, don't destroy the old memory area if a new one couldn't be

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allocated.
Notified by Daniel Lucq <daniel@lucq.org>
This commit is contained in:
Richard Levitte 2003-10-07 12:09:39 +00:00
parent 4d1c443123
commit 83eb412da8
1 changed files with 7 additions and 3 deletions
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10
crypto/mem.c
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@ -352,11 +352,15 @@ void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file,
realloc_debug_func(str, NULL, num, file, line, 0);
ret=malloc_ex_func(num,file,line);
if(ret)
{
memcpy(ret,str,old_len);
OPENSSL_cleanse(str,old_len);
free_func(str);
OPENSSL_cleanse(str,old_len);
free_func(str);
}
#ifdef LEVITTE_DEBUG_MEM
fprintf(stderr, "LEVITTE_DEBUG_MEM: | 0x%p -> 0x%p (%d)\n", str, ret, num);
fprintf(stderr,
"LEVITTE_DEBUG_MEM: | 0x%p -> 0x%p (%d)\n",
str, ret, num);
#endif
if (realloc_debug_func != NULL)
realloc_debug_func(str, ret, num, file, line, 1);