From: Richard Levitte <levitte@openssl.org>
Date: Mon, 1 Dec 2003 12:06:17 +0000 (+0000)
Subject: CRYPTO_malloc(), CRYPTO_realloc() and variants of them should return NULL
X-Git-Tag: OpenSSL_0_9_6m~14
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0dbd9ccc06e02be6a80d99c31aae5a7ee777e086;p=oweals%2Fopenssl.git

CRYPTO_malloc(), CRYPTO_realloc() and variants of them should return NULL
if the give size is 0.

This is a thought that came up in PR 751.
---

diff --git a/crypto/mem.c b/crypto/mem.c
index 0df0a2a549..6b38f4ad2a 100644
--- a/crypto/mem.c
+++ b/crypto/mem.c
@@ -175,7 +175,7 @@ void *CRYPTO_malloc_locked(int num, const char *file, int line)
 	void *ret = NULL;
 	extern unsigned char cleanse_ctr;
 
-	if (num < 0) return NULL;
+	if (num <= 0) return NULL;
 
 	allow_customize = 0;
 	if (malloc_debug_func != NULL)
@@ -216,7 +216,7 @@ void *CRYPTO_malloc(int num, const char *file, int line)
 	void *ret = NULL;
 	extern unsigned char cleanse_ctr;
 
-	if (num < 0) return NULL;
+	if (num <= 0) return NULL;
 
 	allow_customize = 0;
 	if (malloc_debug_func != NULL)
@@ -247,7 +247,7 @@ void *CRYPTO_realloc(void *str, int num, const char *file, int line)
 	if (str == NULL)
 		return CRYPTO_malloc(num, file, line);
 
-	if (num < 0) return NULL;
+	if (num <= 0) return NULL;
 
 	if (realloc_debug_func != NULL)
 		realloc_debug_func(str, NULL, num, file, line, 0);