From: Steinar H. Gunderson <sesse@google.com>
Date: Sat, 29 Sep 2007 13:56:36 +0000 (+0000)
Subject: In ares_mkquery, make sure we set buflen and buf to reasonable values if there's... 
X-Git-Tag: curl-7_17_1~164
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6dd848523c4887b894de388373a688a40fbd83c;p=thirdparty%2Fcurl.git

In ares_mkquery, make sure we set buflen and buf to reasonable values if there's an error. (Patch from the Google tree)
---

diff --git a/ares/ares_mkquery.c b/ares/ares_mkquery.c
index cfd15a9973..9c84446e7c 100644
--- a/ares/ares_mkquery.c
+++ b/ares/ares_mkquery.c
@@ -88,6 +88,10 @@ int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id,
   unsigned char *q;
   const char *p;
 
+  /* Set our results early, in case we bail out early with an error. */
+  *buflen = 0;
+  *buf = NULL;
+
   /* Compute the length of the encoded name so we can check buflen.
    * Start counting at 1 for the zero-length label at the end. */
   len = 1;