From fadfa30b3fabcbdf39e2e02db8ee0958c2208330 Mon Sep 17 00:00:00 2001
From: sezero <sezero@af15c1b1-3010-417e-b628-4374ebc0bcbd>
Date: Tue, 27 Dec 2011 19:32:17 +0000
Subject: [PATCH] common.c (q_vsnprintf): Don't attempt to nul terminate the
 buffer if zero size was passed. From Sander van Dijk.

git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@563 af15c1b1-3010-417e-b628-4374ebc0bcbd
---
 quakespasm/Quake/common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/quakespasm/Quake/common.c b/quakespasm/Quake/common.c
index 45b80096..a5d7f5f3 100644
--- a/quakespasm/Quake/common.c
+++ b/quakespasm/Quake/common.c
@@ -154,7 +154,8 @@ int q_vsnprintf(char *str, size_t size, const char *format, va_list args)
 
 	if (ret < 0)
 		ret = (int)size;
-
+	if (size == 0)	/* no buffer */
+		return ret;
 	if ((size_t)ret >= size)
 		str[size - 1] = '\0';