applications/i3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i3-msg: use socket_path_from_x11 from libi3

Browse Source
This commit is contained in:
Michael Stapelberg 2011-10-02 16:11:55 +01:00
parent 094c26556e
commit 6af8b0941c
1 changed files with 1 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
i3-msg/main.c
View File

@ -32,46 +32,11 @@
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include "libi3.h"
#include <i3/ipc.h>
static char *socket_path;
/*
* Try to get the socket path from X11 and return NULL if it doesn’t work.
* As i3-msg is a short-running tool, we don’t bother with cleaning up the
* connection and leave it up to the operating system on exit.
*
*/
static char *socket_path_from_x11() {
xcb_connection_t *conn;
int screen;
if ((conn = xcb_connect(NULL, &screen)) == NULL ||
xcb_connection_has_error(conn))
return NULL;
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
xcb_window_t root = root_screen->root;
xcb_intern_atom_cookie_t atom_cookie;
xcb_intern_atom_reply_t *atom_reply;
atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL);
if (atom_reply == NULL)
return NULL;
xcb_get_property_cookie_t prop_cookie;
xcb_get_property_reply_t *prop_reply;
prop_cookie = xcb_get_property_unchecked(conn, false, root, atom_reply->atom,
XCB_GET_PROPERTY_TYPE_ANY, 0, PATH_MAX);
prop_reply = xcb_get_property_reply(conn, prop_cookie, NULL);
if (prop_reply == NULL || xcb_get_property_value_length(prop_reply) == 0)
return NULL;
if (asprintf(&socket_path, "%.*s", xcb_get_property_value_length(prop_reply),
(char*)xcb_get_property_value(prop_reply)) == -1)
return NULL;
return socket_path;
}
/*
* Formats a message (payload) of the given size and type and sends it to i3 via
* the given socket file descriptor.