diff options
| -rw-r--r-- | slstatus.c | 485 |
1 files changed, 245 insertions, 240 deletions
@@ -31,328 +31,333 @@ static Display *dpy; void setstatus(char *str) { - XStoreName(dpy, DefaultRootWindow(dpy), str); - XSync(dpy, False); + XStoreName(dpy, DefaultRootWindow(dpy), str); + XSync(dpy, False); } /* battery percentage */ char * battery() { - int battery_now, battery_full, battery_perc; - FILE *fp; + int battery_now, battery_full, battery_perc; + FILE *fp; - /* open battery now file */ - if (!(fp = fopen(batterynowfile, "r"))) { - fprintf(stderr, "Error opening battery file."); - exit(1); - } + /* open battery now file */ + if (!(fp = fopen(batterynowfile, "r"))) { + fprintf(stderr, "Error opening battery file."); + exit(1); + } - /* read value */ - fscanf(fp, "%i", &battery_now); + /* read value */ + fscanf(fp, "%i", &battery_now); - /* close battery now file */ - fclose(fp); + /* close battery now file */ + fclose(fp); - /* open battery full file */ - if (!(fp = fopen(batteryfullfile, "r"))) { - fprintf(stderr, "Error opening battery file."); - exit(1); - } + /* open battery full file */ + if (!(fp = fopen(batteryfullfile, "r"))) { + fprintf(stderr, "Error opening battery file."); + exit(1); + } - /* read value */ - fscanf(fp, "%i", &battery_full); + /* read value */ + fscanf(fp, "%i", &battery_full); - /* close battery full file */ - fclose(fp); + /* close battery full file */ + fclose(fp); - /* calculate percent */ - battery_perc = battery_now / (battery_full / 100); + /* calculate percent */ + battery_perc = battery_now / (battery_full / 100); - /* return batt_perc as string */ - return smprintf("%d%%", battery_perc); + /* return batt_perc as string */ + return smprintf("%d%%", battery_perc); } /* cpu temperature */ char * cpu_temperature() { - int temperature; - FILE *fp; + int temperature; + FILE *fp; - /* open temperature file */ - if (!(fp = fopen(tempfile, "r"))) { - fprintf(stderr, "Could not open temperature file.\n"); - exit(1); - } + /* open temperature file */ + if (!(fp = fopen(tempfile, "r"))) { + fprintf(stderr, "Could not open temperature file.\n"); + exit(1); + } - /* extract temperature */ - fscanf(fp, "%d", &temperature); + /* extract temperature */ + fscanf(fp, "%d", &temperature); - /* close temperature file */ - fclose(fp); + /* close temperature file */ + fclose(fp); - /* return temperature in degrees */ - return smprintf("%d°C", temperature / 1000); + /* return temperature in degrees */ + return smprintf("%d°C", temperature / 1000); } /* cpu percentage */ char * cpu_usage() { - int cpu_perc; - long double a[4], b[4]; - FILE *fp; + int cpu_perc; + long double a[4], b[4]; + FILE *fp; - /* open stat file */ - if (!(fp = fopen("/proc/stat","r"))) { - fprintf(stderr, "Error opening stat file."); - exit(1); - } + /* open stat file */ + if (!(fp = fopen("/proc/stat","r"))) { + fprintf(stderr, "Error opening stat file."); + exit(1); + } - /* read values */ - fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]); + /* read values */ + fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]); - /* close stat file */ - fclose(fp); + /* close stat file */ + fclose(fp); - /* wait a second (for avg values) */ - sleep(1); + /* wait a second (for avg values) */ + sleep(1); - /* open stat file */ - if (!(fp = fopen("/proc/stat","r"))) { - fprintf(stderr, "Error opening stat file."); - exit(1); - } + /* open stat file */ + if (!(fp = fopen("/proc/stat","r"))) { + fprintf(stderr, "Error opening stat file."); + exit(1); + } - /* read values */ - fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]); + /* read values */ + fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]); - /* close stat file */ - fclose(fp); + /* close stat file */ + fclose(fp); - /* calculate avg in this 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])); + /* calculate avg in this 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])); - /* return cpu_perc as string */ - return smprintf("%d%%", cpu_perc); + /* return cpu_perc as string */ + return smprintf("%d%%", cpu_perc); } /* date and time */ char * datetime() { - time_t tm; - size_t bufsize = 19; - char *buf = malloc(bufsize); - - /* get time in format */ - time(&tm); - if(!strftime(buf, bufsize, timeformat, localtime(&tm))) { - fprintf(stderr, "Strftime failed.\n"); - exit(1); - } - - /* return time */ - return buf; + time_t tm; + size_t bufsize = 19; + char *buf = malloc(bufsize); + + /* get time in format */ + time(&tm); + if(!strftime(buf, bufsize, timeformat, localtime(&tm))) { + fprintf(stderr, "Strftime failed.\n"); + exit(1); + } + + /* return time */ + return buf; } /* ram percentage */ char * ram_usage() { - int ram_perc; - long total, free, available; - FILE *fp; + int ram_perc; + long total, free, available; + FILE *fp; - /* open meminfo file */ - if (!(fp = fopen("/proc/meminfo", "r"))) { - fprintf(stderr, "Error opening meminfo file."); - exit(1); - } + /* open meminfo file */ + if (!(fp = fopen("/proc/meminfo", "r"))) { + fprintf(stderr, "Error opening meminfo file."); + exit(1); + } - /* read the values */ - fscanf(fp, "MemTotal: %ld kB\n", &total); - fscanf(fp, "MemFree: %ld kB\n", &free); - fscanf(fp, "MemAvailable: %ld kB\n", &available); + /* read the values */ + fscanf(fp, "MemTotal: %ld kB\n", &total); + fscanf(fp, "MemFree: %ld kB\n", &free); + fscanf(fp, "MemAvailable: %ld kB\n", &available); - /* close meminfo file */ - fclose(fp); + /* close meminfo file */ + fclose(fp); - /* calculate percentage */ - ram_perc = 100 * (total - available) / total; + /* calculate percentage */ + ram_perc = 100 * (total - available) / total; - /* return ram_perc as string */ - return smprintf("%d%%",ram_perc); + /* return ram_perc as string */ + return smprintf("%d%%",ram_perc); } /* smprintf function */ char * smprintf(char *fmt, ...) { - va_list fmtargs; - char *ret; - int len; + va_list fmtargs; + char *ret; + int len; - va_start(fmtargs, fmt); - len = vsnprintf(NULL, 0, fmt, fmtargs); - va_end(fmtargs); + va_start(fmtargs, fmt); + len = vsnprintf(NULL, 0, fmt, fmtargs); + va_end(fmtargs); - ret = malloc(++len); - if (ret == NULL) { - fprintf(stderr, "Malloc error."); - exit(1); - } + ret = malloc(++len); + if (ret == NULL) { + fprintf(stderr, "Malloc error."); + exit(1); + } - va_start(fmtargs, fmt); - vsnprintf(ret, len, fmt, fmtargs); - va_end(fmtargs); + va_start(fmtargs, fmt); + vsnprintf(ret, len, fmt, fmtargs); + va_end(fmtargs); - return ret; + return ret; } /* 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 smprintf("mute"); - else - return smprintf("%d%%", (vol * 100) / max); + 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 smprintf("mute"); + else + return smprintf("%d%%", (vol * 100) / max); } /* 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]; - FILE *fp; - - /* generate the path name */ - strcat(path, path_start); - strcat(path, wificard); - strcat(path, path_end); - - /* open wifi file */ - if(!(fp = fopen(path, "r"))) { - fprintf(stderr, "Error opening wifi operstate file."); - exit(1); - } - - /* read the status */ - fgets(status, 5, fp); - - /* close wifi file */ - 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 */ - 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); - } - - /* close wifi file */ - fclose(fp); - - /* return strength in percent */ - return smprintf("%d%%", strength); + 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]; + char needle[sizeof wificard + 1]; + FILE *fp; + + /* generate the path name */ + + memset(path, 0, sizeof path); + strcat(path, path_start); + strcat(path, wificard); + strcat(path, path_end); + + /* open wifi file */ + if(!(fp = fopen(path, "r"))) { + fprintf(stderr, "Error opening wifi operstate file."); + exit(1); + } + + /* read the status */ + fgets(status, 5, fp); + + /* close wifi file */ + 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 */ + strcpy(needle, wificard); + strcat(needle, ":"); + fgets(buf, bufsize, fp); + fgets(buf, bufsize, fp); + fgets(buf, bufsize, fp); + if ((datastart = strstr(buf, needle)) != NULL) { + datastart = strstr(buf, ":"); + sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &strength); + } + + /* close wifi file */ + fclose(fp); + + /* return strength in percent */ + return smprintf("%d%%", strength); } /* main function */ int main() { - char status[1024]; - - /* open display */ - if (!(dpy = XOpenDisplay(0x0))) { - fprintf(stderr, "Cannot open display!\n"); - exit(1); - } - - char *pWifi_signal = NULL; - char *pBattery = NULL; - char *pCpu_usage = NULL; - char *pCpu_temperature = NULL; - char *pRam_usage = NULL; - char *pVolume = NULL; - char *pDatetime = NULL; - - /* return status every second */ - for (;;) { - pWifi_signal = wifi_signal(); - pBattery = battery(); - pCpu_usage = cpu_usage(); - pCpu_temperature = cpu_temperature(); - pRam_usage = ram_usage(); - pVolume = volume(); - pDatetime = datetime(); - sprintf(status, FORMATSTRING, ARGUMENTS); - setstatus(status); - free(pWifi_signal); - free(pBattery); - free(pCpu_usage); - free(pCpu_temperature); - free(pRam_usage); - free(pVolume); - free(pDatetime); - } - - /* close display */ - XCloseDisplay(dpy); - - /* exit successfully */ - return 0; + char status[1024]; + + /* open display */ + if (!(dpy = XOpenDisplay(0x0))) { + fprintf(stderr, "Cannot open display!\n"); + exit(1); + } + + char *pWifi_signal = NULL; + char *pBattery = NULL; + char *pCpu_usage = NULL; + char *pCpu_temperature = NULL; + char *pRam_usage = NULL; + char *pVolume = NULL; + char *pDatetime = NULL; + + /* return status every second */ + for (;;) { + pWifi_signal = wifi_signal(); + pBattery = battery(); + pCpu_usage = cpu_usage(); + pCpu_temperature = cpu_temperature(); + pRam_usage = ram_usage(); + pVolume = volume(); + pDatetime = datetime(); + sprintf(status, FORMATSTRING, ARGUMENTS); + setstatus(status); + free(pWifi_signal); + free(pBattery); + free(pCpu_usage); + free(pCpu_temperature); + free(pRam_usage); + free(pVolume); + free(pDatetime); + } + + /* close display */ + XCloseDisplay(dpy); + + /* exit successfully */ + return 0; } |