#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
+#include <stddef.h>
#include <unistd.h>
#include <string.h>
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, char *protocol, const unsigned short port);
#endif
+#ifdef HAVE_ABSTRACT_SOCKETS
+static int _xcb_open_abstract(char *protocol, const char *file);
+#endif
static int _xcb_open(char *host, char *protocol, const int display)
{
+#ifdef HAVE_ABSTRACT_SOCKETS
int fd;
+#endif
static const char base[] = "/tmp/.X11-unix/X";
char file[sizeof(base) + 20];
/* display specifies Unix socket */
snprintf(file, sizeof(file), "%s%d", base, display);
- return _xcb_open_unix(protocol, file);
+#ifdef HAVE_ABSTRACT_SOCKETS
+ fd = _xcb_open_abstract(protocol, file);
+ if (fd >= 0 || (errno != ENOENT && errno != ECONNREFUSED))
+ return fd;
-
- return fd;
+#endif
+ return _xcb_open_unix(protocol, file);
}
#ifdef DNETCONN
return fd;
}
+#ifdef HAVE_ABSTRACT_SOCKETS
+static int _xcb_open_abstract(char *protocol, const char *file)
+{
+ int fd;
+ struct sockaddr_un addr = {0};
+ socklen_t namelen;
+
+ if (protocol && strcmp("unix",protocol))
+ return -1;
+
+ strcpy(addr.sun_path + 1, file);
+ addr.sun_family = AF_UNIX;
+ namelen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(file);
+#ifdef HAVE_SOCKADDR_SUN_LEN
+ addr.sun_len = 1 + strlen(file);
+#endif
+ fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (fd == -1)
+ return -1;
+ if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) {
+ close(fd);
+ return -1;
+ }
+ return fd;
+}
+#endif
+
xcb_connection_t *xcb_connect(const char *displayname, int *screenp)
{
int fd, display = 0;
char *protocol;
xcb_connection_t *c;
xcb_auth_info_t auth;
-
- if(!_xcb_parse_display(displayname, &host, &protocol, &display, screenp))
+
+ int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
+
+#ifdef HAVE_LAUNCHD
+ if(!displayname)
+ displayname = getenv("DISPLAY");
+ if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
+ fd = _xcb_open_unix(NULL, displayname);
+ else
+#endif
+ if(!parsed)
return (xcb_connection_t *) &error_connection;
- fd = _xcb_open(host, protocol, display);
+ else
+ fd = _xcb_open(host, protocol, display);
free(host);
+
if(fd == -1)
return (xcb_connection_t *) &error_connection;
char *host;
char *protocol;
- if(!_xcb_parse_display(displayname, &host, &protocol, &display, screenp))
+ int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
+
+#ifdef HAVE_LAUNCHD
+ if(!displayname)
+ displayname = getenv("DISPLAY");
+ if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
+ fd = _xcb_open_unix(NULL, displayname);
+ else
+#endif
+ if(!parsed)
return (xcb_connection_t *) &error_connection;
- fd = _xcb_open(host, protocol, display);
+ else
+ fd = _xcb_open(host, protocol, display);
free(host);
+
if(fd == -1)
return (xcb_connection_t *) &error_connection;