commit 8894244cb8ad92569a1cbe9854ba3a7b97102e20
parent ff6c029dba13a40fc86a59f1d323c72380f786e7
Author: Aaron Marcher <info@nulltime.net>
Date: Wed, 9 Mar 2016 11:13:27 +0100
changed to 4 spaces indentation (2 are not enough)
Diffstat:
| M | slstatus.c | | | 487 | +++++++++++++++++++++++++++++++++++++++---------------------------------------- |
1 file changed, 242 insertions(+), 245 deletions(-)
diff --git a/slstatus.c b/slstatus.c
@@ -31,333 +31,330 @@ 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];
- 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);
+ 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;
}
