commit ca35976927190883368ef3bd32bbf9f174575bd6
author ajs <ajs> Fri Nov 19 23:40:16 2004 +0000
committer ajs <ajs> Fri Nov 19 23:40:16 2004 +0000
tree aa3b9fa981719c48f0418abb06355e88ee39dbcb
parent ff29bb31505b485e8ffa561e21d075d28ac7d5e7

2004-11-19 David Young <dyoung@pobox.com>

	* log.c: (safe_strerror) New function: safe wrapper for strerror.

lib/log.c

diff --git a/lib/log.c b/lib/log.c
index 375730f..b24dacd 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -498,3 +498,11 @@
     }
   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";
+}