diff options
Diffstat (limited to 'slstatuso/slstatus.c')
-rwxr-xr-x | slstatuso/slstatus.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/slstatuso/slstatus.c b/slstatuso/slstatus.c deleted file mode 100755 index cb54f29..0000000 --- a/slstatuso/slstatus.c +++ /dev/null @@ -1,132 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include <errno.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <X11/Xlib.h> - -#include "arg.h" -#include "slstatus.h" -#include "util.h" - -struct arg { - const char *(*func)(const char *); - const char *fmt; - const char *args; -}; - -char buf[1024]; -static volatile sig_atomic_t done; -static Display *dpy; - -#include "config.h" - -static void -terminate(const int signo) -{ - if (signo != SIGUSR1) - done = 1; -} - -static void -difftimespec(struct timespec *res, struct timespec *a, struct timespec *b) -{ - res->tv_sec = a->tv_sec - b->tv_sec - (a->tv_nsec < b->tv_nsec); - res->tv_nsec = a->tv_nsec - b->tv_nsec + - (a->tv_nsec < b->tv_nsec) * 1E9; -} - -static void -usage(void) -{ - die("usage: %s [-s] [-1]", argv0); -} - -int -main(int argc, char *argv[]) -{ - struct sigaction act; - struct timespec start, current, diff, intspec, wait; - size_t i, len; - int sflag, ret; - char status[MAXLEN]; - const char *res; - - sflag = 0; - ARGBEGIN { - case '1': - done = 1; - /* FALLTHROUGH */ - case 's': - sflag = 1; - break; - default: - usage(); - } ARGEND - - if (argc) - usage(); - - memset(&act, 0, sizeof(act)); - act.sa_handler = terminate; - sigaction(SIGINT, &act, NULL); - sigaction(SIGTERM, &act, NULL); - act.sa_flags |= SA_RESTART; - sigaction(SIGUSR1, &act, NULL); - - if (!sflag && !(dpy = XOpenDisplay(NULL))) - die("XOpenDisplay: Failed to open display"); - - do { - if (clock_gettime(CLOCK_MONOTONIC, &start) < 0) - die("clock_gettime:"); - - status[0] = '\0'; - for (i = len = 0; i < LEN(args); i++) { - if (!(res = args[i].func(args[i].args))) - res = unknown_str; - - if ((ret = esnprintf(status + len, sizeof(status) - len, - args[i].fmt, res)) < 0) - break; - - len += ret; - } - - if (sflag) { - puts(status); - fflush(stdout); - if (ferror(stdout)) - die("puts:"); - } else { - if (XStoreName(dpy, DefaultRootWindow(dpy), status) < 0) - die("XStoreName: Allocation failed"); - XFlush(dpy); - } - - if (!done) { - if (clock_gettime(CLOCK_MONOTONIC, ¤t) < 0) - die("clock_gettime:"); - difftimespec(&diff, ¤t, &start); - - intspec.tv_sec = interval / 1000; - intspec.tv_nsec = (interval % 1000) * 1E6; - difftimespec(&wait, &intspec, &diff); - - if (wait.tv_sec >= 0 && - nanosleep(&wait, NULL) < 0 && - errno != EINTR) - die("nanosleep:"); - } - } while (!done); - - if (!sflag) { - XStoreName(dpy, DefaultRootWindow(dpy), NULL); - if (XCloseDisplay(dpy) < 0) - die("XCloseDisplay: Failed to close display"); - } - - return 0; -} |