#include <assert.h>
#include <sys/types.h>
#include <sys/socket.h>
-#include <sys/syslimits.h>
+#include <limits.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
return ((y + (y >> 3)) & 030707070707) % 077;
}
+int xcb_sumof(uint8_t *list, int len)
+{
+ int i, s = 0;
+ for(i=0; i<len; i++) {
+ s += *list;
+ list++;
+ }
+ return s;
+}
+
static int _xcb_parse_display(const char *name, char **host, char **protocol,
int *displayp, int *screenp)
{
return _xcb_parse_display(name, host, NULL, displayp, screenp);
}
-static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port);
+static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port);
static int _xcb_open_unix(char *protocol, const char *file);
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, char *protocol, const unsigned short port);
static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen);
#endif
-static int _xcb_open(char *host, char *protocol, const int display)
+static int _xcb_open(const char *host, char *protocol, const int display)
{
-#ifdef HAVE_ABSTRACT_SOCKETS
int fd;
-#endif
static const char unix_base[] = "/tmp/.X11-unix/X";
const char *base = unix_base;
- char file[PATH_MAX + 1];
- int filelen;
+ size_t filelen;
+ char *file = NULL;
+ int actual_filelen;
- if(*host)
- {
#ifdef HAVE_LAUNCHD
if(strncmp(host, "/tmp/launch", 11) == 0) {
- base = host;
- } else {
+ base = host;
+ host = "";
+ protocol = NULL;
+ }
#endif
+ if(*host || protocol)
+ {
#ifdef DNETCONN
/* DECnet displays have two colons, so _xcb_parse_display will have
left one at the end. However, an IPv6 address can end with *two*
unsigned short port = X_TCP_PORT + display;
return _xcb_open_tcp(host, protocol, port);
}
-#ifdef HAVE_LAUNCHD
- }
-#endif
}
+ filelen = strlen(base) + 1 + sizeof(display) * 3 + 1;
+ file = malloc(filelen);
+ if(file == NULL)
+ return -1;
+
/* display specifies Unix socket */
#ifdef HAVE_LAUNCHD
- if(base == host)
- filelen = snprintf(file, sizeof(file), "%s:%d", base, display);
+ if(strncmp(base, "/tmp/launch", 11) == 0)
+ actual_filelen = snprintf(file, filelen, "%s:%d", base, display);
else
#endif
- filelen = snprintf(file, sizeof(file), "%s%d", base, display);
- if(filelen < 0)
+ actual_filelen = snprintf(file, filelen, "%s%d", base, display);
+ if(actual_filelen < 0)
+ {
+ free(file);
return -1;
+ }
/* snprintf may truncate the file */
- filelen = MIN(filelen, sizeof(file) - 1);
+ filelen = MIN(actual_filelen, filelen - 1);
#ifdef HAVE_ABSTRACT_SOCKETS
fd = _xcb_open_abstract(protocol, file, filelen);
if (fd >= 0 || (errno != ENOENT && errno != ECONNREFUSED))
+ {
+ free(file);
return fd;
+ }
#endif
- return _xcb_open_unix(protocol, file);
+ fd = _xcb_open_unix(protocol, file);
+ free(file);
+
+ return fd;
}
static int _xcb_socket(int family, int type, int proto)
}
#endif
-static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port)
+static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port)
{
int fd = -1;
struct addrinfo hints;
struct addrinfo *results, *addr;
char *bracket;
- if (protocol && strcmp("tcp",protocol))
+ if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol)
+#ifdef AF_INET6
+ && strcmp("inet6",protocol)
+#endif
+ )
return -1;
+
+ if (*host == '\0')
+ host = "localhost";
memset(&hints, 0, sizeof(hints));
#ifdef AI_ADDRCONFIG