/* See LICENSE file for copyright and license details. */
#include <alsa/asoundlib.h>
+#include <err.h>
+#include <fcntl.h>
+#include <ifaddrs.h>
+#include <limits.h>
+#include <linux/wireless.h>
+#include <locale.h>
+#include <netdb.h>
+#include <pwd.h>
+#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/socket.h>
+#include <sys/sysinfo.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
-#include "config.h"
-
-char *smprintf(char *fmt, ...);
-
-void *setstatus(char *str);
-
-char *wifi_signal();
-char *battery();
-char *cpu_usage();
-char *cpu_temperature();
-char *ram_usage();
-char *volume();
-char *datetime();
-
+#undef strlcat
+#undef strlcpy
+
+#include "extern/arg.h"
+#include "extern/strlcat.h"
+#include "extern/concat.h"
+
+struct arg {
+ char *(*func)();
+ const char *fmt;
+ const char *args;
+};
+
+static char *smprintf(const char *fmt, ...);
+static char *battery_perc(const char *bat);
+static char *battery_state(const char *bat);
+static char *cpu_perc(void);
+static char *datetime(const char *fmt);
+static char *disk_free(const char *mnt);
+static char *disk_perc(const char *mnt);
+static char *disk_total(const char *mnt);
+static char *disk_used(const char *mnt);
+static char *entropy(void);
+static char *gid(void);
+static char *hostname(void);
+static char *ip(const char *iface);
+static char *kernel_release(void);
+static char *load_avg(void);
+static char *ram_free(void);
+static char *ram_perc(void);
+static char *ram_used(void);
+static char *ram_total(void);
+static char *run_command(const char *cmd);
+static char *swap_free(void);
+static char *swap_perc(void);
+static char *swap_used(void);
+static char *swap_total(void);
+static char *temp(const char *file);
+static char *uid(void);
+static char *uptime(void);
+static char *username(void);
+static char *vol_perc(const char *card);
+static char *wifi_perc(const char *iface);
+static char *wifi_essid(const char *iface);
+static void sighandler(const int signo);
+static void usage(int);
+
+char *argv0;
+char concat[];
+static unsigned short int delay = 0;
+static unsigned short int done;
+static unsigned short int dflag, oflag;
static Display *dpy;
-/* smprintf function */
-char *
-smprintf(char *fmt, ...)
+#include "config.h"
+
+static char *
+smprintf(const char *fmt, ...)
{
- va_list fmtargs;
+ va_list ap;
char *ret;
int len;
- va_start(fmtargs, fmt);
- len = vsnprintf(NULL, 0, fmt, fmtargs);
- va_end(fmtargs);
+ va_start(ap, fmt);
+ len = vsnprintf(NULL, 0, fmt, ap);
+ va_end(ap);
ret = malloc(++len);
if (ret == NULL) {
- fprintf(stderr, "Malloc error.");
- exit(1);
+ err(1, "malloc");
}
- va_start(fmtargs, fmt);
- vsnprintf(ret, len, fmt, fmtargs);
- va_end(fmtargs);
+ va_start(ap, fmt);
+ vsnprintf(ret, len, fmt, ap);
+ va_end(ap);
return ret;
}
-/* set statusbar (WM_NAME) */
-void
-setstatus(char *str)
-{
- XStoreName(dpy, DefaultRootWindow(dpy), str);
- XSync(dpy, False);
-}
-
-/* alsa volume percentage */
-char *
-volume()
-{
- int mute = 0;
- long vol = 0, max = 0, min = 0;
-
- snd_mixer_t *handle;
- snd_mixer_elem_t *pcm_mixer, *mas_mixer;
- snd_mixer_selem_id_t *vol_info, *mute_info;
- snd_mixer_open(&handle, 0);
- snd_mixer_attach(handle, soundcard);
- snd_mixer_selem_register(handle, NULL, NULL);
- snd_mixer_load(handle);
- snd_mixer_selem_id_malloc(&vol_info);
- snd_mixer_selem_id_malloc(&mute_info);
- snd_mixer_selem_id_set_name(vol_info, channel);
- snd_mixer_selem_id_set_name(mute_info, channel);
- pcm_mixer = snd_mixer_find_selem(handle, vol_info);
- mas_mixer = snd_mixer_find_selem(handle, mute_info);
- snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer,
- &min, &max);
- snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer,
- SND_MIXER_SCHN_MONO, &vol);
- snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO,
- &mute);
-
- if (vol_info)
- snd_mixer_selem_id_free(vol_info);
- if (mute_info)
- snd_mixer_selem_id_free(mute_info);
- if (handle)
- snd_mixer_close(handle);
-
- if (!mute)
- return "mute";
- else
- return smprintf("%d%%", (vol * 100) / max);
-}
-
-/* cpu temperature */
-char *
-cpu_temperature()
-{
- int temperature;
- FILE *fp;
-
- /* open temperature file */
- if (!(fp = fopen(tempfile, "r"))) {
- fprintf(stderr, "Could not open temperature file.\n");
- exit(1);
- }
-
- /* extract temperature, close file */
- fscanf(fp, "%d", &temperature);
- fclose(fp);
-
- /* return temperature in degrees */
- return smprintf("%d°C", temperature / 1000);
-}
-
-/* wifi percentage */
-char *
-wifi_signal()
-{
- int bufsize = 255;
- int strength;
- char buf[bufsize];
- char *datastart;
- char path_start[16] = "/sys/class/net/";
- char path_end[11] = "/operstate";
- char path[32];
+static char *
+battery_perc(const char *bat)
+{
+ int perc;
+ FILE *fp;
+
+ ccat(3, "/sys/class/power_supply/", bat, "/capacity");
+ fp = fopen(concat, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%i", &perc);
+ fclose(fp);
+
+ return smprintf("%d%%", perc);
+}
+
+static char *
+battery_state(const char *bat)
+{
+ char state[12];
FILE *fp;
- /* generate the path name */
- strcat(path, path_start);
- strcat(path, wificard);
- strcat(path, path_end);
-
- /* open wifi file, extract status, close file */
- if(!(fp = fopen(path, "r"))) {
- fprintf(stderr, "Error opening wifi operstate file.");
- exit(1);
- }
- char status[5];
- fgets(status, 5, fp);
- fclose(fp);
-
- /* check if interface down */
- if(strcmp(status, "up\n") != 0){
- return "n/a";
- }
-
- /* open wifi file */
- if (!(fp = fopen("/proc/net/wireless", "r"))) {
- fprintf(stderr, "Error opening wireless file.");
- exit(1);
- }
-
- /* extract the signal strength and close the file */
- fgets(buf, bufsize, fp);
- fgets(buf, bufsize, fp);
- fgets(buf, bufsize, fp);
- if ((datastart = strstr(buf, "wlp3s0:")) != NULL) {
- datastart = strstr(buf, ":");
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d",
- &strength);
+ ccat(3, "/sys/class/power_supply/", bat, "/status");
+ fp = fopen(concat, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
}
+ fscanf(fp, "%12s", state);
fclose(fp);
- /* return strength in percent */
- return smprintf("%d%%", strength);
+ if (strcmp(state, "Charging") == 0) {
+ return smprintf("+");
+ } else if (strcmp(state, "Discharging") == 0) {
+ return smprintf("-");
+ } else if (strcmp(state, "Full") == 0) {
+ return smprintf("=");
+ } else {
+ return smprintf("?");
+ }
}
-/* battery percentage */
-char *
-battery()
+static char *
+cpu_perc(void)
{
- int batt_now;
- int batt_full;
- int batt_perc;
+ int perc;
+ long double a[4], b[4];
FILE *fp;
- /* open battery now file, extract and close */
- if (!(fp = fopen(batterynowfile, "r"))) {
- fprintf(stderr, "Error opening battery file.");
- exit(1);
- }
- fscanf(fp, "%i", &batt_now);
+ fp = fopen("/proc/stat", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/stat");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
+ fclose(fp);
+
+ delay++;
+ sleep(delay);
+
+ fp = fopen("/proc/stat", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/stat");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
-
- /* extract battery full file, extract and close */
- if (!(fp = fopen(batteryfullfile, "r"))) {
- fprintf(stderr, "Error opening battery file.");
- exit(1);
- }
- fscanf(fp, "%i", &batt_full);
+
+ perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
+ return smprintf("%d%%", perc);
+}
+
+static char *
+datetime(const char *fmt)
+{
+ time_t t;
+ char str[80];
+
+ t = time(NULL);
+ if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%s", str);
+}
+
+static char *
+disk_free(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
+}
+
+static char *
+disk_perc(const char *mnt)
+{
+ int perc;
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
+
+ return smprintf("%d%%", perc);
+}
+
+static char *
+disk_total(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
+}
+
+static char *
+disk_used(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
+}
+
+static char *
+entropy(void)
+{
+ int num;
+ FILE *fp;
+
+ fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%d", &num);
fclose(fp);
- /* calculate percent */
- batt_perc = batt_now / (batt_full / 100);
+ return smprintf("%d", num);
+}
- /* return percent */
- return smprintf("%d%%", batt_perc);
+static char *
+gid(void)
+{
+ return smprintf("%d", getgid());
}
-/* date and time */
-char *
-datetime()
+static char *
+hostname(void)
{
- time_t tm;
- size_t bufsize = 19;
- char *buf = malloc(bufsize);
+ char buf[HOST_NAME_MAX];
- /* get time in format */
- time(&tm);
- if(!strftime(buf, bufsize, timeformat, localtime(&tm))) {
- fprintf(stderr, "Strftime failed.\n");
- exit(1);
+ if (gethostname(buf, sizeof(buf)) == -1) {
+ warn("hostname");
+ return smprintf("%s", UNKNOWN_STR);
}
- /* return time */
- return buf;
+ return smprintf("%s", buf);
}
-/* cpu percentage */
-char *
-cpu_usage()
+static char *
+ip(const char *iface)
{
- FILE *fp;
- long double a[4], b[4], cpu_perc;
+ struct ifaddrs *ifaddr, *ifa;
+ int s;
+ char host[NI_MAXHOST];
+
+ if (getifaddrs(&ifaddr) == -1) {
+ warn("Failed to get IP address for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr == NULL) {
+ continue;
+ }
+ s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+ if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
+ if (s != 0) {
+ warnx("Failed to get IP address for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ return smprintf("%s", host);
+ }
+ }
+
+ freeifaddrs(ifaddr);
+
+ return smprintf("%s", UNKNOWN_STR);
+}
+
+static char *
+kernel_release(void)
+{
+ struct utsname udata;
+
+ if (uname(&udata) < 0) {
+ return smprintf(UNKNOWN_STR);
+ }
- /* open stat file, read and close, do same after 1 second */
- if (!(fp = fopen("/proc/stat","r"))) {
- fprintf(stderr, "Error opening stat file.");
- exit(1);
- }
- fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&a[0],&a[1],&a[2],&a[3]);
- fclose(fp);
- sleep(1);
- if (!(fp = fopen("/proc/stat","r"))) {
- fprintf(stderr, "Error opening stat file.");
- exit(1);
- }
- fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&b[0],&b[1],&b[2],&b[3]);
- fclose(fp);
+ return smprintf("%s", udata.release);
+}
+
+static char *
+load_avg(void)
+{
+ double avgs[3];
- /* calculate average in 1 second */
- cpu_perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
+ if (getloadavg(avgs, 3) < 0) {
+ warnx("Failed to get the load avg");
+ return smprintf("%s", UNKNOWN_STR);
+ }
- /* return avg cpu percentage */
- return smprintf("%d%%", (int)cpu_perc);
+ return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
}
-/* ram percentage */
-char *
-ram_usage()
+static char *
+ram_free(void)
{
- FILE *fp;
- long total, free, available;
- int ram_perc;
+ long free;
+ FILE *fp;
- /* read meminfo file, extract and close */
- if (!(fp = fopen("/proc/meminfo", "r"))) {
- fprintf(stderr, "Error opening meminfo file.");
- exit(1);
- }
- fscanf(fp, "MemTotal: %ld kB\n", &total);
- fscanf(fp, "MemFree: %ld kB\n", &free);
- fscanf(fp, "MemAvailable: %ld kB\n", &available);
- fclose(fp);
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "MemFree: %ld kB\n", &free);
+ fclose(fp);
- /* calculate percentage */
- ram_perc = 100 * (total - available) / total;
+ return smprintf("%f", (float)free / 1024 / 1024);
+}
- /* return in percent */
- return smprintf("%d%%",ram_perc);
+static char *
+ram_perc(void)
+{
+ long total, free, buffers, cached;
+ FILE *fp;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "MemTotal: %ld kB\n", &total);
+ fscanf(fp, "MemFree: %ld kB\n", &free);
+ fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
+ fscanf(fp, "Cached: %ld kB\n", &cached);
+ fclose(fp);
+
+ return smprintf("%d%%", 100 * ((total - free) - (buffers + cached)) / total);
+}
+
+static char *
+ram_total(void)
+{
+ long total;
+ FILE *fp;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "MemTotal: %ld kB\n", &total);
+ fclose(fp);
+
+ return smprintf("%f", (float)total / 1024 / 1024);
+}
+
+static char *
+ram_used(void)
+{
+ long free, total, buffers, cached;
+ FILE *fp;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "MemTotal: %ld kB\n", &total);
+ fscanf(fp, "MemFree: %ld kB\n", &free);
+ fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
+ fscanf(fp, "Cached: %ld kB\n", &cached);
+ fclose(fp);
+
+ return smprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024);
+}
+
+static char *
+run_command(const char *cmd)
+{
+ char *nlptr;
+ FILE *fp;
+ char buf[1024] = UNKNOWN_STR;
+
+ fp = popen(cmd, "r");
+ if (fp == NULL) {
+ warn("Failed to get command output for %s", cmd);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fgets(buf, sizeof(buf), fp);
+ pclose(fp);
+ buf[strlen(buf)] = '\0';
+
+ if ((nlptr = strstr(buf, "\n")) != NULL) {
+ nlptr[0] = '\0';
+ }
+
+ return smprintf("%s", buf);
+}
+
+static char *
+swap_free(void)
+{
+ long total, free;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_free: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)free / 1024 / 1024);
+}
+
+static char *
+swap_perc(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_perc: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%d%%", 100 * (total - free - cached) / total);
+}
+
+static char *
+swap_total(void)
+{
+ long total;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_total: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ return smprintf("%f", (float)total / 1024 / 1024);
+}
+
+static char *
+swap_used(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_used: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ buf[bytes_read] = '\0';
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
+}
+
+static char *
+temp(const char *file)
+{
+ int temp;
+ FILE *fp;
+
+ fp = fopen(file, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", file);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%d", &temp);
+ fclose(fp);
+
+ return smprintf("%d°C", temp / 1000);
+}
+
+static char *
+uptime(void)
+{
+ struct sysinfo info;
+ int h = 0;
+ int m = 0;
+
+ sysinfo(&info);
+ h = info.uptime / 3600;
+ m = (info.uptime - h * 3600 ) / 60;
+
+ return smprintf("%dh %dm", h, m);
+}
+
+static char *
+username(void)
+{
+ uid_t uid = geteuid();
+ struct passwd *pw = getpwuid(uid);
+
+ if (pw == NULL) {
+ warn("Failed to get username");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%s", pw->pw_name);
+}
+
+static char *
+uid(void)
+{
+ return smprintf("%d", geteuid());
+}
+
+
+static char *
+vol_perc(const char *card)
+{
+ int mute;
+ long int vol, max, min;
+ snd_mixer_t *handle;
+ snd_mixer_elem_t *elem;
+ snd_mixer_selem_id_t *s_elem;
+
+ snd_mixer_open(&handle, 0);
+ snd_mixer_attach(handle, card);
+ snd_mixer_selem_register(handle, NULL, NULL);
+ snd_mixer_load(handle);
+ snd_mixer_selem_id_malloc(&s_elem);
+ snd_mixer_selem_id_set_name(s_elem, "Master");
+ elem = snd_mixer_find_selem(handle, s_elem);
+
+ if (elem == NULL) {
+ snd_mixer_selem_id_free(s_elem);
+ snd_mixer_close(handle);
+ warn("Failed to get volume percentage for %s", card);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ snd_mixer_handle_events(handle);
+ snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
+ snd_mixer_selem_get_playback_volume(elem, 0, &vol);
+ snd_mixer_selem_get_playback_switch(elem, 0, &mute);
+
+ snd_mixer_selem_id_free(s_elem);
+ snd_mixer_close(handle);
+
+ if (!mute)
+ return smprintf("mute");
+ else if (max == 0)
+ return smprintf("0%%");
+ else
+ return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max));
+}
+
+static char *
+wifi_perc(const char *iface)
+{
+ int perc;
+ char buf[255];
+ char *datastart;
+ char status[5];
+ FILE *fp;
+
+ ccat(3, "/sys/class/net/", iface, "/operstate");
+ fp = fopen(concat, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", concat);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fgets(status, 5, fp);
+ fclose(fp);
+ if(strcmp(status, "up\n") != 0) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ fp = fopen("/proc/net/wireless", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/net/wireless");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ ccat(2, iface, ":");
+ fgets(buf, sizeof(buf), fp);
+ fgets(buf, sizeof(buf), fp);
+ fgets(buf, sizeof(buf), fp);
+ fclose(fp);
+
+ if ((datastart = strstr(buf, concat)) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ datastart = (datastart+(strlen(iface)+1));
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
+
+ return smprintf("%d%%", perc);
+}
+
+static char *
+wifi_essid(const char *iface)
+{
+ char id[IW_ESSID_MAX_SIZE+1];
+ int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ struct iwreq wreq;
+
+ memset(&wreq, 0, sizeof(struct iwreq));
+ wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
+ snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+
+ if (sockfd == -1) {
+ warn("Failed to get ESSID for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ wreq.u.essid.pointer = id;
+ if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
+ warn("Failed to get ESSID for interface %s", iface);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ close(sockfd);
+
+ if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
+ return smprintf("%s", UNKNOWN_STR);
+ else
+ return smprintf("%s", (char *)wreq.u.essid.pointer);
+}
+
+static void
+sighandler(const int signo)
+{
+ if (signo == SIGTERM || signo == SIGINT) {
+ done = 1;
+ }
+}
+
+static void
+usage(int eval)
+{
+ fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0);
+ exit(eval);
}
int
-main()
+main(int argc, char *argv[])
{
- char status[1024];
+ unsigned short int i;
+ char status_string[2048];
+ char *res, *element;
+ struct arg argument;
+ struct sigaction act;
+
+ ARGBEGIN {
+ case 'd':
+ dflag = 1;
+ break;
+ case 'o':
+ oflag = 1;
+ break;
+ case 'v':
+ printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION);
+ return 0;
+ case 'h':
+ usage(0);
+ default:
+ usage(1);
+ } ARGEND
+
+ if (dflag && oflag) {
+ usage(1);
+ }
+ if (dflag && daemon(1, 1) < 0) {
+ err(1, "daemon");
+ }
- /* open display */
- if (( dpy = XOpenDisplay(0x0)) == NULL ) {
- fprintf(stderr, "Cannot open display!\n");
- exit(1);
- }
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sighandler;
+ sigaction(SIGINT, &act, 0);
+ sigaction(SIGTERM, &act, 0);
- /* return status every second */
- for (;;) {
- sprintf(status, FORMATSTRING, ARGUMENTS);
- setstatus(status);
+ if (!oflag) {
+ dpy = XOpenDisplay(NULL);
}
- /* close display */
- XCloseDisplay(dpy);
+ setlocale(LC_ALL, "");
+
+ while (!done) {
+ status_string[0] = '\0';
+
+ for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
+ argument = args[i];
+ if (argument.args == NULL) {
+ res = argument.func();
+ } else {
+ res = argument.func(argument.args);
+ }
+ element = smprintf(argument.fmt, res);
+ if (element == NULL) {
+ element = smprintf("%s", UNKNOWN_STR);
+ warnx("Failed to format output");
+ }
+ if (strlcat(status_string, element, sizeof(status_string)) >= sizeof(status_string)) {
+ warnx("Output too long");
+ }
+ free(res);
+ free(element);
+ }
+
+ if (!oflag) {
+ XStoreName(dpy, DefaultRootWindow(dpy), status_string);
+ XSync(dpy, False);
+ } else {
+ printf("%s\n", status_string);
+ }
+
+ if ((UPDATE_INTERVAL - delay) <= 0) {
+ delay = 0;
+ continue;
+ } else {
+ sleep(UPDATE_INTERVAL - delay);
+ delay = 0;
+ }
+ }
+
+ if (!oflag) {
+ XStoreName(dpy, DefaultRootWindow(dpy), NULL);
+ XCloseDisplay(dpy);
+ }
- /* exit successfully */
return 0;
}