From 628ff75ab661b7dbda2e2cef33b1e5cc55d4e982 Mon Sep 17 00:00:00 2001
From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Tue, 29 Jan 2013 13:34:55 +0100
Subject: [PATCH] Add sanity check in perr()

---
 utils/cegw/cegw.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/utils/cegw/cegw.c b/utils/cegw/cegw.c
index feb083a..ee00715 100644
--- a/utils/cegw/cegw.c
+++ b/utils/cegw/cegw.c
@@ -37,12 +37,11 @@ enum {
 	CEGW_ERR_COLON,
 	CEGW_ERR_GETADDRI,
 	CEGW_ERR_FLTALCK,
-	CEGW_ERR_FLTPARSE
+	CEGW_ERR_FLTPARSE,
+	CEGW_ERR_LAST
 };
 
 char *cegw_errlist[] = {
-
-	[CEGW_ERR_UNKNOWN ] = "",
 	[CEGW_ERR_COLON   ] = "expected ':' (<hostname>:<port>)",
 	[CEGW_ERR_GETADDRI] = "getaddrinfo failed",
 	[CEGW_ERR_FLTALCK ] = "filter alloc failed",
@@ -69,7 +68,7 @@ const struct addrinfo hints = {
 static void perr(char *s)
 {
 	if (s) {
-		if (cegw_errno == 0) {
+		if (cegw_errno == 0 || cegw_errno >= CEGW_ERR_LAST) {
 			fprintf(stderr, "error: %s\n", s);
 
 		} else {
@@ -310,4 +309,3 @@ int main(int argc, char *argv[])
 
 	return 0;
 }
-
-- 
2.39.2