-/* 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;
-
- /* get volume from alsa */
- 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);
-
- /* return the string (mute) */
- 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 */
- fscanf(fp, "%d", &temperature);
-
- /* close temperature file */
- 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];
- char status[5];
+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;
+
+ 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);
+
+ 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("?");
+ }
+}
+
+static char *
+cpu_perc(void)
+{
+ int perc;
+ long double a[4], b[4];
+ FILE *fp;
+
+ 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);
+
+ 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);
+
+ return smprintf("%d", num);
+}
+
+static char *
+gid(void)
+{
+ return smprintf("%d", getgid());
+}
+
+static char *
+hostname(void)
+{
+ char buf[HOST_NAME_MAX];
+
+ if (gethostname(buf, sizeof(buf)) == -1) {
+ warn("hostname");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%s", buf);
+}
+
+static char *
+ip(const char *iface)
+{
+ 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 *
+load_avg(void)
+{
+ double avgs[3];
+
+ if (getloadavg(avgs, 3) < 0) {
+ warnx("Failed to get the load avg");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
+}
+
+static char *
+ram_free(void)
+{
+ long free;
+ FILE *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);
+
+ return smprintf("%f", (float)free / 1024 / 1024);
+}
+
+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;