slock

simple X display locker utility
git clone git://git.suckless.org/slock
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commit 55e827af0fb94f6c2b9e76a7bfe7e98cf697dc7b
parent e867c38123175d6f050e051ee6b00f4737a9712a
Author: Markus Teich <markus.teich@stusta.mhn.de>
Date:   Sat, 16 Jan 2016 12:38:36 +0100

code style fix

Diffstat:
slock.c | 27+++++++++------------------
1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/slock.c b/slock.c @@ -94,20 +94,18 @@ getpw(void) struct passwd *pw; errno = 0; - pw = getpwuid(getuid()); - if (!pw) { + if (!(pw = getpwuid(getuid()))) { if (errno) die("slock: getpwuid: %s\n", strerror(errno)); else die("slock: cannot retrieve password entry\n"); } - rval = pw->pw_passwd; + rval = pw->pw_passwd; #if HAVE_SHADOW_H if (rval[0] == 'x' && rval[1] == '\0') { struct spwd *sp; - sp = getspnam(getenv("USER")); - if (!sp) + if (!(sp = getspnam(getenv("USER")))) die("slock: cannot retrieve shadow entry (make sure to suid or sgid slock)\n"); rval = sp->sp_pwdp; } @@ -180,7 +178,7 @@ readpw(Display *dpy, const char *pws) --len; break; default: - if (num && !iscntrl((int) buf[0]) && (len + num < sizeof(passwd))) { + if (num && !iscntrl((int)buf[0]) && (len + num < sizeof(passwd))) { memcpy(passwd + len, buf, num); len += num; } @@ -232,15 +230,10 @@ lockscreen(Display *dpy, int screen) XSetWindowAttributes wa; Cursor invisible; - if (dpy == NULL || screen < 0) - return NULL; - - lock = malloc(sizeof(Lock)); - if (lock == NULL) + if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(Lock)))) return NULL; lock->screen = screen; - lock->root = RootWindow(dpy, lock->screen); for (i = 0; i < NUMCOLS; i++) { @@ -266,7 +259,7 @@ lockscreen(Display *dpy, int screen) break; usleep(1000); } - if (running && (len > 0)) { + if (running && len) { for (len = 1000; len; len--) { if (XGrabKeyboard(dpy, lock->root, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) break; @@ -278,8 +271,7 @@ lockscreen(Display *dpy, int screen) if (!running) { unlockscreen(dpy, lock); lock = NULL; - } - else { + } else { XSelectInput(dpy, lock->root, SubstructureNotifyMask); } @@ -323,12 +315,11 @@ main(int argc, char **argv) { rr = XRRQueryExtension(dpy, &rrevbase, &rrerrbase); /* Get the number of screens in display "dpy" and blank them all. */ nscreens = ScreenCount(dpy); - locks = malloc(sizeof(Lock *) * nscreens); - if (locks == NULL) + if (!(locks = malloc(sizeof(Lock*) * nscreens))) die("slock: malloc: %s\n", strerror(errno)); int nlocks = 0; for (screen = 0; screen < nscreens; screen++) { - if ( (locks[screen] = lockscreen(dpy, screen)) != NULL) + if ((locks[screen] = lockscreen(dpy, screen)) != NULL) nlocks++; } XSync(dpy, False);