From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 1 Oct 2007 22:51:38 +0000 (+0000)
Subject: Prevent ares_strerror() from segfaulting if an invalid error code is passed
X-Git-Tag: curl-7_17_1~145
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dbd4abf0ff534013f998271250434a9df12de353;p=curl

Prevent ares_strerror() from segfaulting if an invalid error code is passed
in as argument!
---

diff --git a/ares/ares_strerror.c b/ares/ares_strerror.c
index 3486ebfbb..ce2edb192 100644
--- a/ares/ares_strerror.c
+++ b/ares/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";
 }