Keep the line-lengths at bay - slock - simple X display locker utility
(HTM) git clone git://git.suckless.org/slock
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---
(DIR) commit 0a43b78d00ebac574376ffd93223a751e21e265e
(DIR) parent bd069b08c5fe4fea3c78f6991a849b19ed40cbe0
(HTM) Author: FRIGN <dev@frign.de>
Date: Sat, 1 Oct 2016 23:50:49 +0200
Keep the line-lengths at bay
This makes the code more readable and prevents wraparounds in the
editor.
Diffstat:
M slock.c | 70 +++++++++++++++++++-------------
1 file changed, 42 insertions(+), 28 deletions(-)
---
(DIR) diff --git a/slock.c b/slock.c
@@ -76,10 +76,9 @@ dontkillme(void)
if (fclose(f)) {
if (errno == EACCES)
die("slock: unable to disable OOM killer. "
- "suid or sgid set?\n");
+ "Make sure to suid or sgid slock.\n");
else
- die("slock: fclose %s: %s\n", oomfile,
- strerror(errno));
+ die("slock: fclose %s: %s\n", oomfile, strerror(errno));
}
}
#endif
@@ -104,17 +103,20 @@ gethash(void)
if (hash[0] == 'x' && hash[1] == '\0') {
struct spwd *sp;
if (!(sp = getspnam(pw->pw_name)))
- die("slock: getspnam: cannot retrieve shadow entry (make sure to suid or sgid slock)\n");
+ die("slock: getspnam: cannot retrieve shadow entry. "
+ "Make sure to suid or sgid slock.\n");
hash = sp->sp_pwdp;
}
#else
if (hash[0] == '*' && hash[1] == '\0') {
#ifdef __OpenBSD__
if (!(pw = getpwuid_shadow(getuid())))
- die("slock: getpwnam_shadow: cannot retrieve shadow entry (make sure to suid or sgid slock)\n");
+ die("slock: getpwnam_shadow: cannot retrieve shadow entry. "
+ "Make sure to suid or sgid slock.\n");
hash = pw->pw_passwd;
#else
- die("slock: getpwuid: cannot retrieve shadow entry (make sure to suid or sgid slock)\n");
+ die("slock: getpwuid: cannot retrieve shadow entry. "
+ "Make sure to suid or sgid slock.\n");
#endif /* __OpenBSD__ */
}
#endif /* HAVE_SHADOW_H */
@@ -126,6 +128,7 @@ static void
readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
const char *hash)
{
+ XRRScreenChangeNotifyEvent *rre;
char buf[32], passwd[256], *inputhash;
int num, screen, running, failure;
unsigned int len, color;
@@ -177,25 +180,29 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
passwd[len--] = 0;
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;
}
break;
}
- color = len ? INPUT : (failure || failonclear ? FAILED : INIT);
+ color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
if (running && oldc != color) {
for (screen = 0; screen < nscreens; screen++) {
- XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[color]);
+ XSetWindowBackground(dpy,
+ locks[screen]->win,
+ locks[screen]->colors[color]);
XClearWindow(dpy, locks[screen]->win);
}
oldc = color;
}
} else if (rr->active && ev.type == rr->evbase + RRScreenChangeNotify) {
- XRRScreenChangeNotifyEvent *rre = (XRRScreenChangeNotifyEvent*)&ev;
+ rre = (XRRScreenChangeNotifyEvent*)&ev;
for (screen = 0; screen < nscreens; screen++) {
if (locks[screen]->win == rre->window) {
- XResizeWindow(dpy, locks[screen]->win, rre->width, rre->height);
+ XResizeWindow(dpy, locks[screen]->win,
+ rre->width, rre->height);
XClearWindow(dpy, locks[screen]->win);
}
}
@@ -221,31 +228,37 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
lock->root = RootWindow(dpy, lock->screen);
for (i = 0; i < NUMCOLS; i++) {
- XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), colorname[i], &color, &dummy);
+ XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
+ colorname[i], &color, &dummy);
lock->colors[i] = color.pixel;
}
/* init */
wa.override_redirect = 1;
wa.background_pixel = lock->colors[INIT];
- lock->win = XCreateWindow(dpy, lock->root, 0, 0, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen),
- 0, DefaultDepth(dpy, lock->screen), CopyFromParent,
- DefaultVisual(dpy, lock->screen), CWOverrideRedirect | CWBackPixel, &wa);
+ lock->win = XCreateWindow(dpy, lock->root, 0, 0,
+ DisplayWidth(dpy, lock->screen),
+ DisplayHeight(dpy, lock->screen),
+ 0, DefaultDepth(dpy, lock->screen),
+ CopyFromParent,
+ DefaultVisual(dpy, lock->screen),
+ CWOverrideRedirect | CWBackPixel, &wa);
lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
- invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &color, &color, 0, 0);
+ invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
+ &color, &color, 0, 0);
XDefineCursor(dpy, lock->win, invisible);
/* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */
for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) {
if (ptgrab != GrabSuccess) {
ptgrab = XGrabPointer(dpy, lock->root, False,
- ButtonPressMask | ButtonReleaseMask |
- PointerMotionMask, GrabModeAsync,
- GrabModeAsync, None, invisible, CurrentTime);
+ ButtonPressMask | ButtonReleaseMask |
+ PointerMotionMask, GrabModeAsync,
+ GrabModeAsync, None, invisible, CurrentTime);
}
if (kbgrab != GrabSuccess) {
kbgrab = XGrabKeyboard(dpy, lock->root, True,
- GrabModeAsync, GrabModeAsync, CurrentTime);
+ GrabModeAsync, GrabModeAsync, CurrentTime);
}
/* input is grabbed: we can lock the screen */
@@ -268,9 +281,11 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
/* we couldn't grab all input: fail out */
if (ptgrab != GrabSuccess)
- fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n", screen);
+ fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n",
+ screen);
if (kbgrab != GrabSuccess)
- fprintf(stderr, "slock: unable to grab keyboard for screen %d\n", screen);
+ fprintf(stderr, "slock: unable to grab keyboard for screen %d\n",
+ screen);
return NULL;
}
@@ -303,13 +318,13 @@ main(int argc, char **argv) {
/* validate drop-user and -group */
errno = 0;
if (!(pwd = getpwnam(user)))
- die("slock: getpwnam %s: %s\n", user, errno ?
- strerror(errno) : "user entry not found");
+ die("slock: getpwnam %s: %s\n", user,
+ errno ? strerror(errno) : "user entry not found");
duid = pwd->pw_uid;
errno = 0;
if (!(grp = getgrnam(group)))
- die("slock: getgrnam %s: %s\n", group, errno ?
- strerror(errno) : "group entry not found");
+ die("slock: getgrnam %s: %s\n", group,
+ errno ? strerror(errno) : "group entry not found");
dgid = grp->gr_gid;
#ifdef __linux__
@@ -360,8 +375,7 @@ main(int argc, char **argv) {
if (close(ConnectionNumber(dpy)) < 0)
die("slock: close: %s\n", strerror(errno));
execvp(argv[0], argv);
- fprintf(stderr, "slock: execvp %s: %s\n", argv[0],
- strerror(errno));
+ fprintf(stderr, "slock: execvp %s: %s\n", argv[0], strerror(errno));
_exit(1);
}
}