From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 16 Aug 2012 02:35:02 +0000 (-0400)
Subject: handle null arguments to legacy bsd err.h functions
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=dc82ee4e30ec0eae367f7ab076a7325b4d858dd5;hp=3f80afc50577dada3940b66ef5b67da2f43cc00a

handle null arguments to legacy bsd err.h functions
---

diff --git a/src/linux/err.c b/src/linux/err.c
index abc26806..c291136d 100644
--- a/src/linux/err.c
+++ b/src/linux/err.c
@@ -5,13 +5,13 @@
 
 void vwarn(const char *fmt, va_list ap)
 {
-	vfprintf(stderr, fmt, ap);
+	if (fmt) vfprintf(stderr, fmt, ap);
 	perror("");
 }
 
 void vwarnx(const char *fmt, va_list ap)
 {
-	vfprintf(stderr, fmt, ap);
+	if (fmt) vfprintf(stderr, fmt, ap);
 	putc('\n', stderr);
 }