From c9a04fdddc92ed98ee723316f6dd9b60c57cfa92 Mon Sep 17 00:00:00 2001
From: Aaron Taylor <ataylor@subgeniuskitty.com>
Date: Thu, 2 Feb 2023 23:24:07 -0800
Subject: [PATCH] This commit simply prunes down the version of the example in
 dwmstatus to what I actually use.

---
 dwmstatus.c | 170 ++++------------------------------------------------
 1 file changed, 11 insertions(+), 159 deletions(-)

diff --git a/dwmstatus.c b/dwmstatus.c
index 1b53292..87a188b 100644
--- a/dwmstatus.c
+++ b/dwmstatus.c
@@ -1,6 +1,5 @@
 /*
- * Copy me if you can.
- * by 20h
+ * SGK version of dwmstatus by 20h.
  */
 
 #define _BSD_SOURCE
@@ -8,19 +7,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
-#include <string.h>
-#include <strings.h>
-#include <sys/time.h>
 #include <time.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
 #include <X11/Xlib.h>
 
-char *tzargentina = "America/Buenos_Aires";
-char *tzutc = "UTC";
-char *tzberlin = "Europe/Berlin";
-
 static Display *dpy;
 
 char *
@@ -47,12 +36,6 @@ smprintf(char *fmt, ...)
 	return ret;
 }
 
-void
-settz(char *tzname)
-{
-	setenv("TZ", tzname, 1);
-}
-
 char *
 mktimes(char *fmt, char *tzname)
 {
@@ -60,7 +43,7 @@ mktimes(char *fmt, char *tzname)
 	time_t tim;
 	struct tm *timtm;
 
-	settz(tzname);
+	setenv("TZ", tzname, 1);
 	tim = time(NULL);
 	timtm = localtime(&tim);
 	if (timtm == NULL)
@@ -89,159 +72,28 @@ loadavg(void)
 	if (getloadavg(avgs, 3) < 0)
 		return smprintf("");
 
-	return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
-}
-
-char *
-readfile(char *base, char *file)
-{
-	char *path, line[513];
-	FILE *fd;
-
-	memset(line, 0, sizeof(line));
-
-	path = smprintf("%s/%s", base, file);
-	fd = fopen(path, "r");
-	free(path);
-	if (fd == NULL)
-		return NULL;
-
-	if (fgets(line, sizeof(line)-1, fd) == NULL) {
-		fclose(fd);
-		return NULL;
-	}
-	fclose(fd);
-
-	return smprintf("%s", line);
-}
-
-char *
-getbattery(char *base)
-{
-	char *co, status;
-	int descap, remcap;
-
-	descap = -1;
-	remcap = -1;
-
-	co = readfile(base, "present");
-	if (co == NULL)
-		return smprintf("");
-	if (co[0] != '1') {
-		free(co);
-		return smprintf("not present");
-	}
-	free(co);
-
-	co = readfile(base, "charge_full_design");
-	if (co == NULL) {
-		co = readfile(base, "energy_full_design");
-		if (co == NULL)
-			return smprintf("");
-	}
-	sscanf(co, "%d", &descap);
-	free(co);
-
-	co = readfile(base, "charge_now");
-	if (co == NULL) {
-		co = readfile(base, "energy_now");
-		if (co == NULL)
-			return smprintf("");
-	}
-	sscanf(co, "%d", &remcap);
-	free(co);
-
-	co = readfile(base, "status");
-	if (!strncmp(co, "Discharging", 11)) {
-		status = '-';
-	} else if(!strncmp(co, "Charging", 8)) {
-		status = '+';
-	} else {
-		status = '?';
-	}
-
-	if (remcap < 0 || descap < 0)
-		return smprintf("invalid");
-
-	return smprintf("%.0f%%%c", ((float)remcap / (float)descap) * 100, status);
-}
-
-char *
-gettemperature(char *base, char *sensor)
-{
-	char *co;
-
-	co = readfile(base, sensor);
-	if (co == NULL)
-		return smprintf("");
-	return smprintf("%02.0f°C", atof(co) / 1000);
-}
-
-char *
-execscript(char *cmd)
-{
-	FILE *fp;
-	char retval[1025], *rv;
-
-	memset(retval, 0, sizeof(retval));
-
-	fp = popen(cmd, "r");
-	if (fp == NULL)
-		return smprintf("");
-
-	rv = fgets(retval, sizeof(retval), fp);
-	pclose(fp);
-	if (rv == NULL)
-		return smprintf("");
-	retval[strlen(retval)-1] = '\0';
-
-	return smprintf("%s", retval);
+	return smprintf("%.2f", avgs[0]);
 }
 
 int
 main(void)
 {
-	char *status;
-	char *avgs;
-	char *bat;
-	char *tmar;
-	char *tmutc;
-	char *tmbln;
-	char *t0;
-	char *t1;
-	char *kbmap;
-	char *surfs;
+	char *load, *datetime, *status;
 
 	if (!(dpy = XOpenDisplay(NULL))) {
 		fprintf(stderr, "dwmstatus: cannot open display.\n");
 		return 1;
 	}
 
-	for (;;sleep(30)) {
-		avgs = loadavg();
-		bat = getbattery("/sys/class/power_supply/BAT0");
-		tmar = mktimes("%H:%M", tzargentina);
-		tmutc = mktimes("%H:%M", tzutc);
-		tmbln = mktimes("KW %W %a %d %b %H:%M %Z %Y", tzberlin);
-		kbmap = execscript("setxkbmap -query | grep layout | cut -d':' -f 2- | tr -d ' '");
-		surfs = execscript("surf-status");
-		t0 = gettemperature("/sys/devices/virtual/thermal/thermal_zone0", "temp");
-		t1 = gettemperature("/sys/devices/virtual/thermal/thermal_zone1", "temp");
-
-		status = smprintf("S:%s K:%s T:%s|%s L:%s B:%s A:%s U:%s %s",
-				surfs, kbmap, t0, t1, avgs, bat, tmar, tmutc,
-				tmbln);
+	for (;;sleep(5)) {
+		load = loadavg();
+		datetime = mktimes("%a %d %b %Y ][ %H:%M", "America/Los_Angeles");
+
+		status = smprintf("[ %s ][ %s ]", load, datetime);
 		setstatus(status);
 
-		free(surfs);
-		free(kbmap);
-		free(t0);
-		free(t1);
-		free(avgs);
-		free(bat);
-		free(tmar);
-		free(tmutc);
-		free(tmbln);
+		free(load);
+		free(datetime);
 		free(status);
 	}
 
-- 
2.20.1