From 1b017e36d0367a558dd9911e41a6c7d989968934 Mon Sep 17 00:00:00 2001
From: Przemek Grondek <pgrondek@gmail.com>
Date: Tue, 26 Jul 2022 00:06:32 +0200
Subject: [PATCH] Align with full minute

---
 dwmstatus.c | 62 +++++++++++++++++++++++++++++++++--------------------
 1 file changed, 39 insertions(+), 23 deletions(-)

diff --git a/dwmstatus.c b/dwmstatus.c
index 7ace1f5..e185bf2 100644
--- a/dwmstatus.c
+++ b/dwmstatus.c
@@ -206,38 +206,54 @@ gettemperature(char *base, char *sensor)
 	return smprintf("%02.0f°C", atof(co) / 1000);
 }
 
+void update() {
+    char *status;
+    char *avgs;
+    char *tmbln;
+    char *t0;
+    char *bat;
+    char *brightness;
+
+    avgs = loadavg();
+    tmbln = mktimes("%H:%M %d.%m.%Y", tzwarsaw);
+    t0 = gettemperature("/sys/class//hwmon/hwmon1", "temp1_input");
+    bat = getbattery("/sys/class/power_supply/BAT0");
+    brightness = getBrightness("/sys/class/backlight/amdgpu_bl0");
+
+    status = smprintf("%s %s🌡 %s 📈 %s 📅 %s",
+                      bat, brightness, t0, avgs, tmbln);
+    setstatus(status);
+
+    free(t0);
+    free(bat);
+    free(avgs);
+    free(tmbln);
+    free(status);
+    free(brightness);
+}
+
+void sleepUntilFullMinute() {
+    time_t tim;
+    struct tm *tm;
+    tim = time(NULL);
+
+    tm = localtime(&tim);
+    int seconds_left = 60 - tm->tm_sec;
+    sleep(seconds_left);
+}
+
 int
 main(void)
 {
-	char *status;
-	char *avgs;
-	char *tmbln;
-	char *t0;
-	char *bat;
-    char *brightness;
-
 	if (!(dpy = XOpenDisplay(NULL))) {
 		fprintf(stderr, "dwmstatus: cannot open display.\n");
 		return 1;
 	}
+    update();
+    sleepUntilFullMinute();
 
 	for (;;sleep(60)) {
-		avgs = loadavg();
-		tmbln = mktimes("%H:%M %d.%m.%Y", tzwarsaw);
-		t0 = gettemperature("/sys/class//hwmon/hwmon1", "temp1_input");
-		bat = getbattery("/sys/class/power_supply/BAT0");
-        brightness = getBrightness("/sys/class/backlight/amdgpu_bl0");
-
-		status = smprintf("%s %s🌡 %s 📈 %s 📅 %s",
-				bat, brightness, t0, avgs, tmbln);
-		setstatus(status);
-
-		free(t0);
-		free(bat);
-		free(avgs);
-		free(tmbln);
-		free(status);
-		free(brightness);
+        update();
 	}
 
 	XCloseDisplay(dpy);