Add option to output only once and exit

This commit is contained in:
Aaron Marcher 2018-05-21 14:07:41 +02:00
parent aa8654795d
commit fa8b939990
2 changed files with 13 additions and 4 deletions

View File

@ -6,7 +6,7 @@
.Nd suckless status monitor
.Sh SYNOPSIS
.Nm
.Op Fl s
.Op Fl so
.Sh DESCRIPTION
.Nm
is a suckless status monitor for window managers that use WM_NAME (e.g. dwm) or
@ -18,6 +18,8 @@ outputs to WM_NAME.
.Bl -tag -width Ds
.It Fl s
Write to stdout instead of WM_NAME.
.It Fl o
Write only once and exit.
.El
.Sh CUSTOMIZATION
.Nm

View File

@ -42,7 +42,7 @@ difftimespec(struct timespec *res, struct timespec *a, struct timespec *b)
static void
usage(void)
{
die("usage: %s [-s]", argv0);
die("usage: %s [-so]", argv0);
}
int
@ -51,15 +51,18 @@ main(int argc, char *argv[])
struct sigaction act;
struct timespec start, current, diff, intspec, wait;
size_t i, len;
int sflag, ret;
int sflag, oflag, ret;
char status[MAXLEN];
const char *res;
sflag = 0;
sflag = oflag = 0;
ARGBEGIN {
case 's':
sflag = 1;
break;
case 'o':
oflag = 1;
break;
default:
usage();
} ARGEND
@ -107,6 +110,10 @@ main(int argc, char *argv[])
XFlush(dpy);
}
if (oflag) {
done = 1;
}
if (!done) {
if (clock_gettime(CLOCK_MONOTONIC, &current) < 0) {
die("clock_gettime:");