From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Tue, 27 May 2014 13:47:43 +0000 (+0200)
Subject: safe_memset: allow memset of zero bytes.
X-Git-Tag: gnutls_3_3_3~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=389b3f0d6c8a5239ff806ee6863a88e5353c2f71;p=thirdparty%2Fgnutls.git

safe_memset: allow memset of zero bytes.
---

diff --git a/lib/safe-memset.c b/lib/safe-memset.c
index 5b53a6ede8..c959357822 100644
--- a/lib/safe-memset.c
+++ b/lib/safe-memset.c
@@ -46,9 +46,11 @@ void gnutls_memset(void *data, int c, size_t size)
 	 * sent by David Jacobson in the openssl-dev mailing list.
 	 */
 
-	do {
-		memset(data, c, size);
-	} while(vdata[volatile_zero] != c);
+	if (size > 0) {
+		do {
+			memset(data, c, size);
+		} while(vdata[volatile_zero] != c);
+	}
 }
 
 #ifdef TEST_SAFE_MEMSET