From 250e7c40208cbe90dc3ab0b2bdf7adca7659b1c3 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 1 Oct 2007 22:51:38 +0000
Subject: [PATCH] Prevent ares_strerror() from segfaulting if an invalid error
 code is passed in as argument!

---
 ares_strerror.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ares_strerror.c b/ares_strerror.c
index 3486ebfb..ce2edb19 100644
--- a/ares_strerror.c
+++ b/ares_strerror.c
@@ -46,6 +46,8 @@ const char *ares_strerror(int code)
     "Illegal hints flags specified"
   };
 
-  DEBUGASSERT(code >= 0 && code < (int)(sizeof(errtext) / sizeof(*errtext)));
-  return errtext[code];
+  if(code >= 0 && code < (int)(sizeof(errtext) / sizeof(*errtext)))
+    return errtext[code];
+  else
+    return "unknown";
 }