From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 11 Sep 2003 21:27:19 +0000 (+0000)
Subject: Curl_is_resolved(): FD_ZERO the file descriptors before we call ares_fds().
X-Git-Tag: curl-7_10_8~225
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c1f31180a27e257c4a6993c984cf5a1933e2b30e;p=curl

Curl_is_resolved(): FD_ZERO the file descriptors before we call ares_fds().
Problem tracked down by Bjorn Reese.
---

diff --git a/lib/hostip.c b/lib/hostip.c
index 8a2b1a218..c397a3c75 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -400,7 +400,11 @@ CURLcode Curl_is_resolved(struct connectdata *conn, bool *done)
   static const struct timeval tv={0,0};
   int count;
   struct SessionHandle *data = conn->data;
-  int nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds);
+  int nfds;
+
+  FD_ZERO(&read_fds);
+  FD_ZERO(&write_fds);
+  nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds);
 
   count = select(nfds, &read_fds, &write_fds, NULL,
                  (struct timeval *)&tv);