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@ -1,5 +1,6 @@ |
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/* See LICENSE file for copyright and license details. */ |
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/* global libraries */ |
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#include <alsa/asoundlib.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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@ -9,47 +10,23 @@ |
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#include <unistd.h> |
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#include <X11/Xlib.h> |
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/* local libraries */ |
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#include "config.h" |
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char *smprintf(char *fmt, ...); |
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/* functions */ |
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void setstatus(char *str); |
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char *wifi_signal(); |
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char *battery(); |
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char *cpu_usage(); |
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char *cpu_temperature(); |
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char *cpu_usage(); |
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char *datetime(); |
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char *ram_usage(); |
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char *smprintf(char *fmt, ...); |
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char *volume(); |
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char *datetime(); |
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char *wifi_signal(); |
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/* global variables */ |
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static Display *dpy; |
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/* smprintf function */ |
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char * |
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smprintf(char *fmt, ...) |
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{ |
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va_list fmtargs; |
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char *ret; |
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int len; |
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va_start(fmtargs, fmt); |
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len = vsnprintf(NULL, 0, fmt, fmtargs); |
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va_end(fmtargs); |
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ret = malloc(++len); |
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if (ret == NULL) { |
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fprintf(stderr, "Malloc error."); |
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exit(1); |
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} |
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va_start(fmtargs, fmt); |
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vsnprintf(ret, len, fmt, fmtargs); |
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va_end(fmtargs); |
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return ret; |
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} |
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/* set statusbar (WM_NAME) */ |
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void |
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setstatus(char *str) |
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@ -58,129 +35,6 @@ setstatus(char *str) |
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XSync(dpy, False); |
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} |
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/* alsa volume percentage */ |
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char * |
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volume() |
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{ |
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int mute = 0; |
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long vol = 0, max = 0, min = 0; |
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/* get volume from alsa */ |
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snd_mixer_t *handle; |
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snd_mixer_elem_t *pcm_mixer, *mas_mixer; |
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snd_mixer_selem_id_t *vol_info, *mute_info; |
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snd_mixer_open(&handle, 0); |
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snd_mixer_attach(handle, soundcard); |
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snd_mixer_selem_register(handle, NULL, NULL); |
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snd_mixer_load(handle); |
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snd_mixer_selem_id_malloc(&vol_info); |
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snd_mixer_selem_id_malloc(&mute_info); |
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snd_mixer_selem_id_set_name(vol_info, channel); |
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snd_mixer_selem_id_set_name(mute_info, channel); |
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pcm_mixer = snd_mixer_find_selem(handle, vol_info); |
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mas_mixer = snd_mixer_find_selem(handle, mute_info); |
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snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer, |
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&min, &max); |
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snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer, |
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SND_MIXER_SCHN_MONO, &vol); |
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snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO, |
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&mute); |
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if (vol_info) |
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snd_mixer_selem_id_free(vol_info); |
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if (mute_info) |
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snd_mixer_selem_id_free(mute_info); |
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if (handle) |
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snd_mixer_close(handle); |
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/* return the string (mute) */ |
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if (!mute) |
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return "mute"; |
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else |
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return smprintf("%d%%", (vol * 100) / max); |
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} |
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/* cpu temperature */ |
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char * |
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cpu_temperature() |
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{ |
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int temperature; |
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FILE *fp; |
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/* open temperature file */ |
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if (!(fp = fopen(tempfile, "r"))) { |
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fprintf(stderr, "Could not open temperature file.\n"); |
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exit(1); |
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} |
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/* extract temperature */ |
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fscanf(fp, "%d", &temperature); |
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/* close temperature file */ |
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fclose(fp); |
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/* return temperature in degrees */ |
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return smprintf("%d°C", temperature / 1000); |
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} |
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/* wifi percentage */ |
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char * |
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wifi_signal() |
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{ |
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int bufsize = 255; |
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int strength; |
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char buf[bufsize]; |
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char *datastart; |
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char path_start[16] = "/sys/class/net/"; |
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char path_end[11] = "/operstate"; |
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char path[32]; |
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char status[5]; |
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FILE *fp; |
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/* generate the path name */ |
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strcat(path, path_start); |
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strcat(path, wificard); |
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strcat(path, path_end); |
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/* open wifi file */ |
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if(!(fp = fopen(path, "r"))) { |
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fprintf(stderr, "Error opening wifi operstate file."); |
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exit(1); |
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} |
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/* read the status */ |
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fgets(status, 5, fp); |
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/* close wifi file */ |
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fclose(fp); |
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/* check if interface down */ |
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if(strcmp(status, "up\n") != 0){ |
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return "n/a"; |
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} |
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/* open wifi file */ |
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if (!(fp = fopen("/proc/net/wireless", "r"))) { |
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fprintf(stderr, "Error opening wireless file."); |
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exit(1); |
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} |
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/* extract the signal strength */ |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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if ((datastart = strstr(buf, "wlp3s0:")) != NULL) { |
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datastart = strstr(buf, ":"); |
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sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", |
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&strength); |
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} |
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/* close wifi file */ |
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fclose(fp); |
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/* return strength in percent */ |
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return smprintf("%d%%", strength); |
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} |
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/* battery percentage */ |
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char * |
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battery() |
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@ -219,23 +73,27 @@ battery() |
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return smprintf("%d%%", batt_perc); |
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} |
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/* date and time */ |
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/* cpu temperature */ |
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char * |
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datetime() |
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cpu_temperature() |
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{ |
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time_t tm; |
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size_t bufsize = 19; |
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char *buf = malloc(bufsize); |
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int temperature; |
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FILE *fp; |
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/* get time in format */ |
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time(&tm); |
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if(!strftime(buf, bufsize, timeformat, localtime(&tm))) { |
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fprintf(stderr, "Strftime failed.\n"); |
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/* open temperature file */ |
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if (!(fp = fopen(tempfile, "r"))) { |
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fprintf(stderr, "Could not open temperature file.\n"); |
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exit(1); |
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} |
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/* return time */ |
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return buf; |
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/* extract temperature */ |
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fscanf(fp, "%d", &temperature); |
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/* close temperature file */ |
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fclose(fp); |
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/* return temperature in degrees */ |
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return smprintf("%d°C", temperature / 1000); |
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} |
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/* cpu percentage */ |
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@ -280,6 +138,25 @@ cpu_usage() |
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return smprintf("%d%%", cpu_perc); |
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} |
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/* date and time */ |
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char * |
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datetime() |
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{ |
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time_t tm; |
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size_t bufsize = 19; |
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char *buf = malloc(bufsize); |
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/* get time in format */ |
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time(&tm); |
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if(!strftime(buf, bufsize, timeformat, localtime(&tm))) { |
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fprintf(stderr, "Strftime failed.\n"); |
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exit(1); |
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} |
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/* return time */ |
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return buf; |
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} |
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/* ram percentage */ |
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char * |
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ram_usage() |
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@ -309,6 +186,132 @@ ram_usage() |
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return smprintf("%d%%",ram_perc); |
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} |
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/* smprintf function */ |
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char * |
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smprintf(char *fmt, ...) |
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{ |
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va_list fmtargs; |
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char *ret; |
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int len; |
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va_start(fmtargs, fmt); |
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len = vsnprintf(NULL, 0, fmt, fmtargs); |
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va_end(fmtargs); |
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ret = malloc(++len); |
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if (ret == NULL) { |
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fprintf(stderr, "Malloc error."); |
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exit(1); |
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} |
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va_start(fmtargs, fmt); |
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vsnprintf(ret, len, fmt, fmtargs); |
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va_end(fmtargs); |
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return ret; |
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} |
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/* alsa volume percentage */ |
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char * |
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volume() |
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{ |
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int mute = 0; |
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long vol = 0, max = 0, min = 0; |
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/* get volume from alsa */ |
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snd_mixer_t *handle; |
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snd_mixer_elem_t *pcm_mixer, *mas_mixer; |
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snd_mixer_selem_id_t *vol_info, *mute_info; |
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snd_mixer_open(&handle, 0); |
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snd_mixer_attach(handle, soundcard); |
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snd_mixer_selem_register(handle, NULL, NULL); |
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snd_mixer_load(handle); |
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snd_mixer_selem_id_malloc(&vol_info); |
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snd_mixer_selem_id_malloc(&mute_info); |
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snd_mixer_selem_id_set_name(vol_info, channel); |
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snd_mixer_selem_id_set_name(mute_info, channel); |
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pcm_mixer = snd_mixer_find_selem(handle, vol_info); |
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mas_mixer = snd_mixer_find_selem(handle, mute_info); |
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snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer, |
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&min, &max); |
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snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer, |
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SND_MIXER_SCHN_MONO, &vol); |
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snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO, |
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&mute); |
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if (vol_info) |
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snd_mixer_selem_id_free(vol_info); |
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if (mute_info) |
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snd_mixer_selem_id_free(mute_info); |
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if (handle) |
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snd_mixer_close(handle); |
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/* return the string (mute) */ |
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if (!mute) |
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return "mute"; |
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else |
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return smprintf("%d%%", (vol * 100) / max); |
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} |
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/* wifi percentage */ |
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char * |
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wifi_signal() |
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{ |
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int bufsize = 255; |
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int strength; |
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char buf[bufsize]; |
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char *datastart; |
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char path_start[16] = "/sys/class/net/"; |
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char path_end[11] = "/operstate"; |
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char path[32]; |
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char status[5]; |
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FILE *fp; |
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/* generate the path name */ |
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strcat(path, path_start); |
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strcat(path, wificard); |
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strcat(path, path_end); |
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/* open wifi file */ |
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if(!(fp = fopen(path, "r"))) { |
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fprintf(stderr, "Error opening wifi operstate file."); |
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exit(1); |
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} |
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/* read the status */ |
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fgets(status, 5, fp); |
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/* close wifi file */ |
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fclose(fp); |
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/* check if interface down */ |
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if(strcmp(status, "up\n") != 0){ |
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return "n/a"; |
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} |
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/* open wifi file */ |
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if (!(fp = fopen("/proc/net/wireless", "r"))) { |
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fprintf(stderr, "Error opening wireless file."); |
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exit(1); |
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} |
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/* extract the signal strength */ |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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fgets(buf, bufsize, fp); |
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if ((datastart = strstr(buf, "wlp3s0:")) != NULL) { |
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datastart = strstr(buf, ":"); |
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sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", |
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&strength); |
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} |
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/* close wifi file */ |
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fclose(fp); |
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/* return strength in percent */ |
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return smprintf("%d%%", strength); |
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} |
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/* main function */ |
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int |
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main() |
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{ |
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Aaron Marcher
10 years ago
Aaron Marcher (drkhsh)