diff options
Diffstat (limited to 'slstatus.c')
| -rw-r--r-- | slstatus.c | 333 |
1 files changed, 168 insertions, 165 deletions
@@ -1,5 +1,6 @@ /* See LICENSE file for copyright and license details. */ +/* global libraries */ #include <alsa/asoundlib.h> #include <stdarg.h> #include <stdio.h> @@ -9,22 +10,182 @@ #include <unistd.h> #include <X11/Xlib.h> +/* local libraries */ #include "config.h" -char *smprintf(char *fmt, ...); - +/* functions */ void setstatus(char *str); - -char *wifi_signal(); char *battery(); -char *cpu_usage(); char *cpu_temperature(); +char *cpu_usage(); +char *datetime(); char *ram_usage(); +char *smprintf(char *fmt, ...); char *volume(); -char *datetime(); +char *wifi_signal(); +/* global variables */ static Display *dpy; +/* set statusbar (WM_NAME) */ +void +setstatus(char *str) +{ + XStoreName(dpy, DefaultRootWindow(dpy), str); + XSync(dpy, False); +} + +/* battery percentage */ +char * +battery() +{ + int batt_now, batt_full, batt_perc; + FILE *fp; + + /* open battery now file */ + if (!(fp = fopen(batterynowfile, "r"))) { + fprintf(stderr, "Error opening battery file."); + exit(1); + } + + /* read value */ + fscanf(fp, "%i", &batt_now); + + /* close battery now file */ + fclose(fp); + + /* open battery full file */ + if (!(fp = fopen(batteryfullfile, "r"))) { + fprintf(stderr, "Error opening battery file."); + exit(1); + } + + /* read value */ + fscanf(fp, "%i", &batt_full); + + /* close battery full file */ + fclose(fp); + + /* calculate percent */ + batt_perc = batt_now / (batt_full / 100); + + /* return batt_perc as string */ + return smprintf("%d%%", batt_perc); +} + +/* 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); +} + +/* cpu percentage */ +char * +cpu_usage() +{ + 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); + } + + /* read values */ + fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]); + + /* close stat file */ + fclose(fp); + + /* 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); + } + + /* read values */ + fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]); + + /* 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])); + + /* 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; +} + +/* ram percentage */ +char * +ram_usage() +{ + 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); + } + + /* 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); + + /* calculate percentage */ + ram_perc = 100 * (total - available) / total; + + /* return ram_perc as string */ + return smprintf("%d%%",ram_perc); +} + /* smprintf function */ char * smprintf(char *fmt, ...) @@ -50,14 +211,6 @@ smprintf(char *fmt, ...) return ret; } -/* set statusbar (WM_NAME) */ -void -setstatus(char *str) -{ - XStoreName(dpy, DefaultRootWindow(dpy), str); - XSync(dpy, False); -} - /* alsa volume percentage */ char * volume() @@ -99,29 +252,6 @@ volume() 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() @@ -181,134 +311,7 @@ wifi_signal() return smprintf("%d%%", strength); } -/* battery percentage */ -char * -battery() -{ - int batt_now, batt_full, batt_perc; - FILE *fp; - - /* open battery now file */ - if (!(fp = fopen(batterynowfile, "r"))) { - fprintf(stderr, "Error opening battery file."); - exit(1); - } - - /* read value */ - fscanf(fp, "%i", &batt_now); - - /* close battery now file */ - fclose(fp); - - /* open battery full file */ - if (!(fp = fopen(batteryfullfile, "r"))) { - fprintf(stderr, "Error opening battery file."); - exit(1); - } - - /* read value */ - fscanf(fp, "%i", &batt_full); - - /* close battery full file */ - fclose(fp); - - /* calculate percent */ - batt_perc = batt_now / (batt_full / 100); - - /* return batt_perc as string */ - return smprintf("%d%%", batt_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; -} - -/* cpu percentage */ -char * -cpu_usage() -{ - 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); - } - - /* read values */ - fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]); - - /* close stat file */ - fclose(fp); - - /* 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); - } - - /* read values */ - fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]); - - /* 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])); - - /* return cpu_perc as string */ - return smprintf("%d%%", cpu_perc); -} - -/* ram percentage */ -char * -ram_usage() -{ - 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); - } - - /* 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); - - /* calculate percentage */ - ram_perc = 100 * (total - available) / total; - - /* return ram_perc as string */ - return smprintf("%d%%",ram_perc); -} - +/* main function */ int main() { |