diff options
Diffstat (limited to 'libxcb/src/xcb_util.c')
| -rw-r--r-- | libxcb/src/xcb_util.c | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/libxcb/src/xcb_util.c b/libxcb/src/xcb_util.c index b999ea528..499c54904 100644 --- a/libxcb/src/xcb_util.c +++ b/libxcb/src/xcb_util.c @@ -34,6 +34,7 @@ #include <stddef.h>
#include <unistd.h>
#include <string.h>
+#include <arpa/inet.h>
#ifdef _WIN32
#include "xcb_windefs.h"
@@ -265,6 +266,18 @@ static int _xcb_socket(int family, int type, int proto) }
+static int _xcb_do_connect(int fd, const struct sockaddr* addr, int addrlen) {
+ char on = 1;
+
+ if(fd < 0)
+ return -1;
+
+ setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
+ setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on));
+
+ return connect(fd, addr, addrlen);
+}
+
#ifdef WIN32
int InitWSA(void)
{
@@ -285,10 +298,12 @@ int InitWSA(void) static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port)
{
int fd = -1;
+#if HAVE_GETADDRINFO
struct addrinfo hints;
char service[6]; /* "65535" with the trailing '\0' */
struct addrinfo *results, *addr;
char *bracket;
+#endif
if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol)
#ifdef AF_INET6
@@ -300,10 +315,8 @@ static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short if (*host == '\0')
host = "localhost";
+#if HAVE_GETADDRINFO
memset(&hints, 0, sizeof(hints));
-#ifdef AI_ADDRCONFIG
- hints.ai_flags |= AI_ADDRCONFIG;
-#endif
#ifdef AI_NUMERICSERV
hints.ai_flags |= AI_NUMERICSERV;
#endif
@@ -334,19 +347,42 @@ static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short for(addr = results; addr; addr = addr->ai_next)
{
fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
- if(fd >= 0) {
- char on = 1;
- setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
- setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on));
+ if (_xcb_do_connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0)
+ break;
+ close(fd);
+ fd = -1;
+ }
+ freeaddrinfo(results);
+ return fd;
+#else
+ {
+ struct hostent* _h;
+ struct sockaddr_in _s;
+ struct in_addr ** _c;
+
+ if((_h = gethostbyname(host)) == NULL)
+ return -1;
- if (connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0)
+ _c = (struct in_addr**)_h->h_addr_list;
+ fd = -1;
+
+ while(*_c) {
+ _s.sin_family = AF_INET;
+ _s.sin_port = htons(port);
+ _s.sin_addr = *(*_c);
+
+ fd = _xcb_socket(_s.sin_family, SOCK_STREAM, 0);
+ if(_xcb_do_connect(fd, (struct sockaddr*)&_s, sizeof(_s)) >= 0)
break;
+
close(fd);
fd = -1;
+ ++_c;
}
+
+ return fd;
}
- freeaddrinfo(results);
- return fd;
+#endif
}
#ifndef _WIN32
|