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229 lines
4.0 KiB
229 lines
4.0 KiB
/*
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* Copy me if you can.
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* by 20h
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*/
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#define _BSD_SOURCE
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/time.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <X11/Xlib.h>
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char *tzargentina = "America/Buenos_Aires";
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char *tzutc = "UTC";
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char *tzberlin = "Europe/Berlin";
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static Display *dpy;
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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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perror("malloc");
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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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void
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settz(char *tzname)
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{
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setenv("TZ", tzname, 1);
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}
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char *
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mktimes(char *fmt, char *tzname)
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{
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char buf[129];
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time_t tim;
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struct tm *timtm;
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settz(tzname);
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tim = time(NULL);
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timtm = localtime(&tim);
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if (timtm == NULL)
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return smprintf("");
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if (!strftime(buf, sizeof(buf)-1, fmt, timtm)) {
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fprintf(stderr, "strftime == 0\n");
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return smprintf("");
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}
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return smprintf("%s", buf);
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}
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void
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setstatus(char *str)
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{
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XStoreName(dpy, DefaultRootWindow(dpy), str);
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XSync(dpy, False);
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}
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char *
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loadavg(void)
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{
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double avgs[3];
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if (getloadavg(avgs, 3) < 0)
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return smprintf("");
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return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
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}
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char *
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readfile(char *base, char *file)
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{
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char *path, line[513];
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FILE *fd;
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memset(line, 0, sizeof(line));
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path = smprintf("%s/%s", base, file);
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fd = fopen(path, "r");
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free(path);
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if (fd == NULL)
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return NULL;
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if (fgets(line, sizeof(line)-1, fd) == NULL)
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return NULL;
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fclose(fd);
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return smprintf("%s", line);
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}
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char *
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getbattery(char *base)
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{
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char *co, status;
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int descap, remcap;
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descap = -1;
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remcap = -1;
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co = readfile(base, "present");
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if (co == NULL)
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return smprintf("");
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if (co[0] != '1') {
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free(co);
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return smprintf("not present");
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}
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free(co);
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co = readfile(base, "charge_full_design");
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if (co == NULL) {
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co = readfile(base, "energy_full_design");
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if (co == NULL)
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return smprintf("");
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}
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sscanf(co, "%d", &descap);
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free(co);
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co = readfile(base, "charge_now");
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if (co == NULL) {
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co = readfile(base, "energy_now");
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if (co == NULL)
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return smprintf("");
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}
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sscanf(co, "%d", &remcap);
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free(co);
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co = readfile(base, "status");
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if (!strncmp(co, "Discharging", 11)) {
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status = '-';
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} else if(!strncmp(co, "Charging", 8)) {
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status = '+';
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} else {
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status = '?';
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}
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if (remcap < 0 || descap < 0)
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return smprintf("invalid");
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return smprintf("%.0f%%%c", ((float)remcap / (float)descap) * 100, status);
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}
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char *
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gettemperature(char *base, char *sensor)
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{
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char *co;
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co = readfile(base, sensor);
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if (co == NULL)
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return smprintf("");
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return smprintf("%02.0f°C", atof(co) / 1000);
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}
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int
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main(void)
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{
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char *status;
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char *avgs;
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char *bat;
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char *bat1;
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char *tmar;
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char *tmutc;
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char *tmbln;
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char *t0, *t1, *t2, *t3;
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if (!(dpy = XOpenDisplay(NULL))) {
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fprintf(stderr, "dwmstatus: cannot open display.\n");
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return 1;
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}
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for (;;sleep(60)) {
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avgs = loadavg();
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bat = getbattery("/sys/class/power_supply/BAT0");
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bat1 = getbattery("/sys/class/power_supply/BAT1");
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tmar = mktimes("%H:%M", tzargentina);
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tmutc = mktimes("%H:%M", tzutc);
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tmbln = mktimes("KW %W %a %d %b %H:%M %Z %Y", tzberlin);
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t0 = gettemperature("/sys/devices/virtual/hwmon/hwmon1", "temp1_input");
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t1 = gettemperature("/sys/devices/platform/coretemp.0/hwmon/hwmon3", "temp1_input");
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t2 = gettemperature("/sys/devices/platform/coretemp.0/hwmon/hwmon3", "temp2_input");
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t3 = gettemperature("/sys/devices/platform/coretemp.0/hwmon/hwmon3", "temp3_input");
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status = smprintf("T:%s|%s|%s|%s L:%s B:%s|%s A:%s U:%s %s",
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t0, t1, t2, t3, avgs, bat, bat1, tmar, tmutc,
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tmbln);
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setstatus(status);
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free(t0);
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free(t1);
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free(t2);
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free(t3);
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free(avgs);
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free(bat);
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free(bat1);
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free(tmar);
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free(tmutc);
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free(tmbln);
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free(status);
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}
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XCloseDisplay(dpy);
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return 0;
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}
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