From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 16 Jan 2016 22:29:51 +0000 (+0100)
Subject: uclient-http: use blocking connect, switch to non-blocking later. fixes ipv6 -> ipv4... 
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuclient.git;a=commitdiff_plain;h=fe0f1a36109384eaad8b3d0f1438d9321581e47c

uclient-http: use blocking connect, switch to non-blocking later. fixes ipv6 -> ipv4 fallback

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/uclient-http.c b/uclient-http.c
index 574dc01..fa66f78 100644
--- a/uclient-http.c
+++ b/uclient-http.c
@@ -19,6 +19,7 @@
 #include <ctype.h>
 #include <unistd.h>
 #include <stdint.h>
+#include <fcntl.h>
 
 #include <libubox/ustream.h>
 #include <libubox/ustream-ssl.h>
@@ -117,10 +118,11 @@ static int uclient_do_connect(struct uclient_http *uh, const char *port)
 
 	memset(&uh->uc.remote_addr, 0, sizeof(uh->uc.remote_addr));
 
-	fd = usock_inet(USOCK_TCP | USOCK_NONBLOCK, uh->uc.url->host, port, &uh->uc.remote_addr);
+	fd = usock_inet(USOCK_TCP, uh->uc.url->host, port, &uh->uc.remote_addr);
 	if (fd < 0)
 		return -1;
 
+	fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK);
 	ustream_fd_init(&uh->ufd, fd);
 
 	sl = sizeof(uh->uc.local_addr);