From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 20 Jun 2012 13:27:28 +0000 (-0400)
Subject: minor perror behavior fix
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=82a4499e671db62fab1e3928de6e00bb109d4c8d;p=musl

minor perror behavior fix

patch by nsz
---

diff --git a/src/stdio/perror.c b/src/stdio/perror.c
index 4349ac5e..fdcb4d71 100644
--- a/src/stdio/perror.c
+++ b/src/stdio/perror.c
@@ -10,7 +10,7 @@ void perror(const char *msg)
 
 	FLOCK(f);
 	
-	if (msg) {
+	if (msg && *msg) {
 		fwrite(msg, strlen(msg), 1, f);
 		fputc(':', f);
 		fputc(' ', f);