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https://github.com/Ponce/slackbuilds
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125 lines
3.6 KiB
Diff
125 lines
3.6 KiB
Diff
From b02c4d452a7942d4be3c69e6f98dafd35a2e4e78 Mon Sep 17 00:00:00 2001
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From: FRIGN <dev@frign.de>
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Date: Sun, 14 Feb 2016 02:13:54 +0100
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Subject: [PATCH 4/7] Use argv0 instead of passing "slock:" to die every time
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---
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slock.c | 28 ++++++++++++++++------------
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1 file changed, 16 insertions(+), 12 deletions(-)
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diff --git a/slock.c b/slock.c
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index 4531f95..a0ffed0 100644
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--- a/slock.c
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+++ b/slock.c
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@@ -46,6 +46,7 @@ static Bool failure = False;
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static Bool rr;
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static int rrevbase;
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static int rrerrbase;
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+static char *argv0;
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static void
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die(const char *errstr, ...)
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@@ -53,6 +54,7 @@ die(const char *errstr, ...)
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va_list ap;
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va_start(ap, errstr);
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+ fprintf(stderr, "%s: ", argv0);
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vfprintf(stderr, errstr, ap);
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va_end(ap);
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exit(1);
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@@ -88,9 +90,9 @@ getpw(void)
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errno = 0;
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if (!(pw = getpwuid(getuid()))) {
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if (errno)
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- die("slock: getpwuid: %s\n", strerror(errno));
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+ die("getpwuid: %s\n", strerror(errno));
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else
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- die("slock: cannot retrieve password entry\n");
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+ die("cannot retrieve password entry\n");
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}
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rval = pw->pw_passwd;
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@@ -98,7 +100,7 @@ getpw(void)
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if (rval[0] == 'x' && rval[1] == '\0') {
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struct spwd *sp;
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if (!(sp = getspnam(getenv("USER"))))
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- die("slock: cannot retrieve shadow entry (make sure to suid or sgid slock)\n");
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+ die("cannot retrieve shadow entry (make sure to suid or sgid slock)\n");
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rval = sp->sp_pwdp;
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}
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#endif
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@@ -106,7 +108,7 @@ getpw(void)
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/* drop privileges */
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if (geteuid() == 0 &&
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((getegid() != pw->pw_gid && setgid(pw->pw_gid) < 0) || setuid(pw->pw_uid) < 0))
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- die("slock: cannot drop privileges\n");
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+ die("cannot drop privileges\n");
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return rval;
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}
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#endif
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@@ -254,7 +256,7 @@ lockscreen(Display *dpy, int screen)
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usleep(1000);
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}
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if (!len) {
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- fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n", screen);
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+ fprintf(stderr, "unable to grab mouse pointer for screen %d\n", screen);
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} else {
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for (len = 1000; len; len--) {
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if (XGrabKeyboard(dpy, lock->root, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) {
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@@ -264,7 +266,7 @@ lockscreen(Display *dpy, int screen)
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}
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usleep(1000);
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}
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- fprintf(stderr, "slock: unable to grab keyboard for screen %d\n", screen);
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+ fprintf(stderr, "unable to grab keyboard for screen %d\n", screen);
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}
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/* grabbing one of the inputs failed */
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running = 0;
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@@ -281,24 +283,26 @@ main(int argc, char **argv)
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Display *dpy;
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int screen;
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+ argv0 = argv[0], argc--, argv++;
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+
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#ifdef __linux__
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dontkillme();
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#endif
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if (!getpwuid(getuid()))
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- die("slock: no passwd entry for you\n");
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+ die("no passwd entry for you\n");
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#ifndef HAVE_BSD_AUTH
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pws = getpw();
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#endif
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if (!(dpy = XOpenDisplay(0)))
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- die("slock: cannot open display\n");
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+ die("cannot open display\n");
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rr = XRRQueryExtension(dpy, &rrevbase, &rrerrbase);
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/* Get the number of screens in display "dpy" and blank them all. */
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nscreens = ScreenCount(dpy);
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if (!(locks = malloc(sizeof(Lock*) * nscreens)))
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- die("slock: malloc: %s\n", strerror(errno));
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+ die("Out of memory.\n");
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int nlocks = 0;
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for (screen = 0; screen < nscreens; screen++) {
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if ((locks[screen] = lockscreen(dpy, screen)) != NULL)
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@@ -313,11 +317,11 @@ main(int argc, char **argv)
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return 1;
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}
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- if (argc >= 2 && fork() == 0) {
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+ if (argc >= 1 && fork() == 0) {
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if (dpy)
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close(ConnectionNumber(dpy));
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- execvp(argv[1], argv+1);
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- die("slock: execvp %s failed: %s\n", argv[1], strerror(errno));
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+ execvp(argv[0], argv);
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+ die("execvp %s failed: %s\n", argv[0], strerror(errno));
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}
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/* Everything is now blank. Now wait for the correct password. */
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--
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2.9.2
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