From: Volker Lendecke <vl@samba.org>
Date: Thu, 11 Jul 2013 12:57:53 +0000 (+0200)
Subject: ccan: Fix calling memset with zero length parameter
X-Git-Url: http://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=5628cd2c21655a84dfcf5cc693c8c0d5701fe75d;hp=ba57295a55704ad68f46f7ee741dc8f3ac9db6af

ccan: Fix calling memset with zero length parameter

Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/ccan/tally/tally.c b/ccan/tally/tally.c
index 774373ca..29f05558 100644
--- a/ccan/tally/tally.c
+++ b/ccan/tally/tally.c
@@ -506,11 +506,11 @@ char *tally_histogram(const struct tally *tally,
 
 		if (count > covered) {
 			count -= covered;
+			memset(p, '*', count);
 		} else {
 			count = 0;
 		}
 
-		memset(p, '*', count);
 		p += count;
 		*p = '\n';
 		p++;