mutter-launch: fix for more systemd API changes

Modern systemd changed the semantics of sd_session_get_tty() to
return the full path, rather than just the tty name.

Reviewed by Ray Strode in IRC.
This commit is contained in:
Giovanni Campagna 2013-09-16 17:21:34 +02:00
parent c0e7f6d9bf
commit 24074a81d0

View File

@ -566,7 +566,18 @@ setup_tty(struct weston_launch *wl)
ok = sd_session_get_tty(session, &tty);
if (ok == 0) {
snprintf(path, PATH_MAX, "/dev/%s", tty);
/* Old systemd only has the tty name in the TTY
field, new one has the full char device path.
Check what we have and fix it properly.
*/
if (strncmp(tty, "/dev", strlen("/dev")) == 0) {
strncpy(path, tty, PATH_MAX);
path[PATH_MAX-1] = 0;
} else {
snprintf(path, PATH_MAX, "/dev/%s", tty);
}
wl->tty = open(path, O_RDWR | O_NOCTTY | O_CLOEXEC);
free(tty);
#ifdef HAVE_SD_SESSION_GET_VT