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gsr-global-hotkeys: better error messages

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dec05eba
2025-05-24 14:00:23 +02:00
parent a82d1a2dfc
commit 2df417f23f
1 changed files with 7 additions and 7 deletions
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14
tools/gsr-global-hotkeys/main.c
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@@ -44,42 +44,42 @@ int main(int argc, char **argv) {
} else if(strcmp(grab_type_arg, "--virtual") == 0) { } else if(strcmp(grab_type_arg, "--virtual") == 0) {
grab_type = KEYBOARD_GRAB_TYPE_VIRTUAL; grab_type = KEYBOARD_GRAB_TYPE_VIRTUAL;
} else { } else {
fprintf(stderr, "Error: expected --all or --virtual, got %s\n", grab_type_arg); fprintf(stderr, "gsr-global-hotkeys error: expected --all or --virtual, got %s\n", grab_type_arg);
usage(); usage();
return 1; return 1;
} }
} else if(argc != 1) { } else if(argc != 1) {
fprintf(stderr, "Error: expected 0 or 1 arguments, got %d argument(s)\n", argc); fprintf(stderr, "gsr-global-hotkeys error: expected 0 or 1 arguments, got %d argument(s)\n", argc);
usage(); usage();
return 1; return 1;
} }
if(is_gsr_global_hotkeys_already_running()) { if(is_gsr_global_hotkeys_already_running()) {
fprintf(stderr, "Error: gsr-global-hotkeys is already running\n"); fprintf(stderr, "gsr-global-hotkeys error: gsr-global-hotkeys is already running\n");
return 1; return 1;
} }
const uid_t user_id = getuid(); const uid_t user_id = getuid();
if(geteuid() != 0) { if(geteuid() != 0) {
if(setuid(0) == -1) { if(setuid(0) == -1) {
fprintf(stderr, "Error: failed to change user to root\n"); fprintf(stderr, "gsr-global-hotkeys error: failed to change user to root, global hotkeys will not work. Make sure to set the correct capability on gsr-global-hotkeys\n");
return 1; return 1;
} }
} }
keyboard_event keyboard_ev; keyboard_event keyboard_ev;
if(!keyboard_event_init(&keyboard_ev, true, grab_type)) { if(!keyboard_event_init(&keyboard_ev, true, grab_type)) {
fprintf(stderr, "Error: failed to setup hotplugging and no keyboard input devices were found\n"); fprintf(stderr, "gsr-global-hotkeys error: failed to setup hotplugging and no keyboard input devices were found\n");
setuid(user_id); setuid(user_id);
return 1; return 1;
} }
fprintf(stderr, "Info: global hotkeys setup, waiting for hotkeys to be pressed\n"); fprintf(stderr, "gsr-global-hotkeys info: global hotkeys setup, waiting for hotkeys to be pressed\n");
for(;;) { for(;;) {
keyboard_event_poll_events(&keyboard_ev, -1); keyboard_event_poll_events(&keyboard_ev, -1);
if(keyboard_event_stdin_has_failed(&keyboard_ev)) { if(keyboard_event_stdin_has_failed(&keyboard_ev)) {
fprintf(stderr, "Info: stdin closed (parent process likely closed this process), exiting...\n"); fprintf(stderr, "gsr-global-hotkeys info: stdin closed (parent process likely closed this process), exiting...\n");
break; break;
} }
} }