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DarthMooMancer
2025-08-04 15:40:53 -04:00
parent 3af88ce7b9
commit d3240d7bff
1 changed files with 57 additions and 78 deletions
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.config/suckless/slstatus/slstatus.c
+45 -66
View File
@@ -1,4 +1,7 @@
#include <errno.h>
#define _GNU_SOURCE
#include <fcntl.h> // for AT_FDCWD
#include <sys/syscall.h>
#include <unistd.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
@@ -6,61 +9,32 @@
#include <time.h>
#include <X11/Xlib.h>
#include <stdarg.h>
#include <stdint.h>
#define LEN(x) (sizeof(x) / sizeof((x)[0]))
#define MAXLEN 2048
#include <sys/stat.h>
char buf[1024];
static volatile sig_atomic_t done;
static Display *dpy;
const unsigned short interval = 1000;
const char unknown_str[] = "n/a";
void die(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
if (fmt[0] && fmt[strlen(fmt) - 1] == ':') {
fputc(' ', stderr);
perror(NULL);
} else fputc('\n', stderr);
va_end(ap);
fputc('\n', stderr);
exit(1);
}
int esnprintf(char *str, size_t size, const char *fmt, ...) {
va_list ap;
int ret;
va_start(ap, fmt);
ret = vsnprintf(str, size, fmt, ap);
if (ret < 0) return -1;
else if ((size_t)ret >= size) return -1;
va_end(ap);
return ret;
}
struct arg {
const char *(*func)(const char *);
const char *fmt;
const char *args;
};
static void terminate(const int signo) {
if (signo != SIGUSR1)
static void terminate() {
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;
}
const char* wallpaper_countdown(const char *unused) {
const char* bg_timer(const char *unused) {
(void)unused;
static char buf[6];
time_t now = time(NULL), last = now;
FILE *f = fopen("/tmp/last_wallpaper_time", "r");
if (f) {
@@ -75,47 +49,58 @@ const char* wallpaper_countdown(const char *unused) {
}
const char* run_command(const char *cmd) {
char *p;
FILE *fp;
if (!(fp = popen(cmd, "r"))) return NULL;
p = fgets(buf, sizeof(buf) - 1, fp);
if (pclose(fp) < 0) return NULL;
static char buf[8];
FILE *fp = popen(cmd, "r");
if (!fp) return NULL;
char *p = fgets(buf, sizeof(buf) - 1, fp);
pclose(fp);
if (!p) return NULL;
if ((p = strrchr(buf, '\n'))) p[0] = '\0';
return buf[0] ? buf : NULL;
if ((p = strrchr(buf, '\n'))) *p = '\0';
return *buf ? buf : NULL;
}
static const struct arg args[] = {
{ wallpaper_countdown, " %s till swap • ", NULL },
{ run_command, "VOL at %s • ", "wpctl get-volume @DEFAULT_AUDIO_SINK@ | awk '{printf \"%d%%\", $2 * 100}'" },
{ run_command, "%s / 731 installed ", "sh -c 'echo $(( ( $(date +%s) - $(stat -c %W /) ) / 86400 ))'" },
};
const char* age(const char *_) {
static char buf[4];
static time_t last;
time_t now = time(NULL);
if (now - last < 3600) return buf;
time_t created = 0;
struct statx stx;
if (!syscall(SYS_statx, AT_FDCWD, "/", 0, STATX_BTIME, &stx) && (stx.stx_mask & STATX_BTIME)) created = stx.stx_btime.tv_sec;
else created = now;
snprintf(buf, sizeof(buf), "%d", (int)((now - created) / 86400));
last = now;
return buf;
}
int main(int argc, char *argv[]) {
static Display *dpy;
struct sigaction act;
struct timespec start, current, diff, intspec, wait;
size_t i, len;
int ret;
char status[MAXLEN];
char status[64];
const char *res;
static const struct arg args[] = {
{ bg_timer, " %s till swap · ", NULL },
{ run_command, "VOL at %s · ", "wpctl get-volume @DEFAULT_AUDIO_SINK@ | awk '{printf \"%d%%\", $2 * 100}'" },
{ age, "%s / 731 installed ", NULL },
};
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 (!(dpy = XOpenDisplay(NULL)))
die("XOpenDisplay: Failed to open display");
if (!(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;
for (i = len = 0; i < (sizeof(args) / sizeof(args[0])); i++) {
res = args[i].func(args[i].args);
if (!res) res = "n/a";
if ((ret = snprintf(status + len, sizeof(status) - len, args[i].fmt, res)) < 0) break;
len += ret;
}
@@ -123,14 +108,8 @@ int main(int argc, char *argv[]) {
XFlush(dpy);
if (!done) {
if (clock_gettime(CLOCK_MONOTONIC, &current) < 0) die("clock_gettime:");
difftimespec(&diff, &current, &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:");
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100 * 1000000 }; // 100ms
nanosleep(&ts, NULL);
}
} while (!done);