revert using argv0 and minor fixup

- use hardcoded "slock" instead of argv[0]
- add "slock: " to fprintf calls, where it was missing
- revert `argc--, argv++` shifting
This commit is contained in:
Markus Teich 2016-02-15 14:00:56 +01:00
parent b02c4d452a
commit ec46680fe1

15
slock.c
View file

@ -46,15 +46,14 @@ static Bool failure = False;
static Bool rr;
static int rrevbase;
static int rrerrbase;
static char *argv0;
static void
die(const char *errstr, ...)
{
va_list ap;
fputs("slock: ", stderr);
va_start(ap, errstr);
fprintf(stderr, "%s: ", argv0);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(1);
@ -256,7 +255,7 @@ lockscreen(Display *dpy, int screen)
usleep(1000);
}
if (!len) {
fprintf(stderr, "unable to grab mouse pointer for screen %d\n", screen);
fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n", screen);
} else {
for (len = 1000; len; len--) {
if (XGrabKeyboard(dpy, lock->root, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) {
@ -266,7 +265,7 @@ lockscreen(Display *dpy, int screen)
}
usleep(1000);
}
fprintf(stderr, "unable to grab keyboard for screen %d\n", screen);
fprintf(stderr, "slock: unable to grab keyboard for screen %d\n", screen);
}
/* grabbing one of the inputs failed */
running = 0;
@ -283,8 +282,6 @@ main(int argc, char **argv)
Display *dpy;
int screen;
argv0 = argv[0], argc--, argv++;
#ifdef __linux__
dontkillme();
#endif
@ -317,11 +314,11 @@ main(int argc, char **argv)
return 1;
}
if (argc >= 1 && fork() == 0) {
if (argc >= 2 && fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
execvp(argv[0], argv);
die("execvp %s failed: %s\n", argv[0], strerror(errno));
execvp(argv[1], argv+1);
die("execvp %s failed: %s\n", argv[1], strerror(errno));
}
/* Everything is now blank. Now wait for the correct password. */