From: Benjamin Drung <bdrung@ubuntu.com>
Date: Sat, 9 Feb 2013 19:05:36 +0000 (-0500)
Subject: Set a default error message if message passed in is NULL.
X-Git-Tag: v3.1.900a~360^2~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=453f819252dc15d3cab57534b5a52f314717714b;p=thirdparty%2Flibarchive.git

Set a default error message if message passed in is NULL.
Signed-off-by: Andres Mejia <amejia004@gmail.com>
---

diff --git a/examples/minitar/minitar.c b/examples/minitar/minitar.c
index 0ff6263eb..aa681a108 100644
--- a/examples/minitar/minitar.c
+++ b/examples/minitar/minitar.c
@@ -427,6 +427,9 @@ msg(const char *m)
 static void
 errmsg(const char *m)
 {
+	if (m == NULL) {
+		m = "Error: No error description provided.\n";
+	}
 	write(2, m, strlen(m));
 }