From: Peter Johnson <peter@tortall.net>
Date: Tue, 21 Nov 2006 08:54:05 +0000 (-0000)
Subject: errwarn.c (yasm_warn_fetch): Follow documentation and don't crash if no
X-Git-Tag: v0.6.0~87
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e0f4ae3ffb2d507c9c2fda45e0815b778a0b0729;p=yasm

errwarn.c (yasm_warn_fetch): Follow documentation and don't crash if no
warnings pending and this is called.

svn path=/trunk/yasm/; revision=1695
---

diff --git a/libyasm/errwarn.c b/libyasm/errwarn.c
index b1f94a01..6825a3d9 100644
--- a/libyasm/errwarn.c
+++ b/libyasm/errwarn.c
@@ -377,6 +377,12 @@ yasm_warn_fetch(yasm_warn_class *wclass, char **str)
 {
     warn *w = STAILQ_FIRST(&yasm_warns);
 
+    if (!w) {
+	*wclass = YASM_WARN_NONE;
+	*str = NULL;
+	return;
+    }
+
     *wclass = w->wclass;
     *str = w->wstr;