From efa0460c98911940d402d5117860e7133b4be4d7 Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Sun, 10 Mar 2002 23:07:01 +0000
Subject: [PATCH] (error_message): do not call strerror with a negative error

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10865 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/com_err/com_err.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/com_err/com_err.c b/lib/com_err/com_err.c
index 2dfb758c2..8159c948b 100644
--- a/lib/com_err/com_err.c
+++ b/lib/com_err/com_err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -49,8 +49,12 @@ error_message (long code)
 {
     static char msg[128];
     const char *p = com_right(_et_list, code);
-    if (p == NULL)
-	p = strerror(code);
+    if (p == NULL) {
+	if (code < 0)
+	    sprintf(msg, "Unknown error %ld", code);
+	else
+	    p = strerror(code);
+    }
     if (p != NULL && *p != '\0') {
 	strncpy(msg, p, sizeof(msg) - 1);
 	msg[sizeof(msg) - 1] = 0;