From ca35976927190883368ef3bd32bbf9f174575bd6 Mon Sep 17 00:00:00 2001
From: ajs <ajs>
Date: Fri, 19 Nov 2004 23:40:16 +0000
Subject: 2004-11-19 David Young <dyoung@pobox.com>

	* log.c: (safe_strerror) New function: safe wrapper for strerror.
---
 lib/log.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/log.c')

diff --git a/lib/log.c b/lib/log.c
index 375730f2..b24dacd8 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -498,3 +498,11 @@ mes_lookup (struct message *meslist, int max, int index)
     }
   return meslist[index].str;
 }
+
+/* Wrapper around strerror to handle case where it returns NULL. */
+const char *
+safe_strerror(int errnum)
+{
+  const char *s = strerror(errnum);
+  return (s != NULL) ? s : "Unknown error";
+}
-- 
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