swaylock: Fix crash when unable to connect to wl

Prevent swaylock from crashing when it can't connect to wayland for
whatever reason. i.e. XDG_RUNTIME_DIR not set.

Fix #534
This commit is contained in:
Mikkel Oscar Lyderik 2016-03-23 14:25:58 +01:00
parent a99970d7a3
commit a8f989c651

View file

@ -31,7 +31,9 @@ void sway_terminate(int exit_code) {
window_teardown(window); window_teardown(window);
} }
list_free(surfaces); list_free(surfaces);
registry_teardown(registry); if (registry) {
registry_teardown(registry);
}
exit(exit_code); exit(exit_code);
} }
@ -292,6 +294,10 @@ int main(int argc, char **argv) {
surfaces = create_list(); surfaces = create_list();
registry = registry_poll(); registry = registry_poll();
if (!registry) {
sway_abort("Unable to connect to wayland compositor");
}
if (!registry->swaylock) { if (!registry->swaylock) {
sway_abort("swaylock requires the compositor to support the swaylock extension."); sway_abort("swaylock requires the compositor to support the swaylock extension.");
} }