From d6dd848523c4887b894de388373a688a40fbd83c Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Sat, 29 Sep 2007 13:56:36 +0000 Subject: [PATCH] In ares_mkquery, make sure we set buflen and buf to reasonable values if there's an error. (Patch from the Google tree) --- ares/ares_mkquery.c | 4 ++++ 1 file changed, 4 insertions(+) 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;