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shmlog: store meta information in the buffer itself, store path as X11 atom

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This makes i3-dump-log completely independent of a running i3 instance.
This commit is contained in:
Michael Stapelberg
2012-01-06 23:40:07 +00:00
parent ed37a63942
commit dee7c07ad2
13 changed files with 59 additions and 157 deletions
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9
libi3/get_socket_path.c → libi3/root_atom_contents.c
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@ -16,13 +16,14 @@
#include "libi3.h"
/*
* Try to get the socket path from X11 and return NULL if it doesn’t work.
* Try to get the contents of the given atom (for example I3_SOCKET_PATH) from
* the X11 root window and return NULL if it doesn’t work.
*
* The memory for the socket path is dynamically allocated and has to be
* The memory for the contents is dynamically allocated and has to be
* free()d by the caller.
*
*/
char *socket_path_from_x11() {
char *root_atom_contents(const char *atomname) {
xcb_connection_t *conn;
xcb_intern_atom_cookie_t atom_cookie;
xcb_intern_atom_reply_t *atom_reply;
@ -33,7 +34,7 @@ char *socket_path_from_x11() {
xcb_connection_has_error(conn))
return NULL;
atom_cookie = xcb_intern_atom(conn, 0, strlen("I3_SOCKET_PATH"), "I3_SOCKET_PATH");
atom_cookie = xcb_intern_atom(conn, 0, strlen(atomname), atomname);
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screen);
xcb_window_t root = root_screen->root;