From c4e9657e1b2653f50230643ce18daad341d021ab Mon Sep 17 00:00:00 2001
From: Alexander Weidinger <alexwegoo@gmail.com>
Date: Sun, 25 Nov 2018 15:02:50 +0100
Subject: [PATCH] Make battery option optional

---
 Makefile |  2 +-
 dwmst.c  | 55 ++++++++++++++++++++++++++++++-------------------------
 2 files changed, 31 insertions(+), 26 deletions(-)

diff --git a/Makefile b/Makefile
index 459a8b3..7222648 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 all:
-	gcc -o dwmst -lX11 dwmst.c
+	gcc -o dwmst -lX11 -D OPTION_BATTERY=0 dwmst.c
 
 clean:
 	rm -f dwmst
diff --git a/dwmst.c b/dwmst.c
index b2264b9..cc6ffbf 100644
--- a/dwmst.c
+++ b/dwmst.c
@@ -31,36 +31,41 @@ int main(void) {
     
     strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M", timeinfo);
 
-    /* battery status */
-    f = fopen("/sys/class/power_supply/BAT0/capacity", "r");
-    if (f == NULL) {
-      fprintf(stderr, "dwmst: cannot access battery.\n");
-    } else {
-      fgets(bbuffer, 4, f);
-      strtok(bbuffer, "\n"); /* remove trailing white space */
-      strcat(bbuffer, "%");
-    }
-    fclose(f);
+    if (OPTION_BATTERY) {
+      /* battery status */
+      f = fopen("/sys/class/power_supply/BAT0/capacity", "r");
+      if (f == NULL) {
+	fprintf(stderr, "dwmst: cannot access battery.\n");
+      } else {
+	fgets(bbuffer, 4, f);
+	strtok(bbuffer, "\n"); /* remove trailing white space */
+	strcat(bbuffer, "%");
+	fclose(f);
+      }
 
-    f = fopen("/sys/class/power_supply/BAT0/status", "r");
-    if (f == NULL) {
-      fprintf(stderr, "dwmst: cannot access battery.\n");
-    } else {
-      switch(getc(f)) {
-      case 'D': /* Discharging */
-	strcat(bbuffer, "-");
-	break;
-      case 'C': /* Charging */
-	strcat(bbuffer, "+");
-	break;
-      case 'F': /* Full */
-	strcat(bbuffer, "=");
+      f = fopen("/sys/class/power_supply/BAT0/status", "r");
+      if (f == NULL) {
+	fprintf(stderr, "dwmst: cannot access battery.\n");
+      } else {
+	switch(getc(f)) {
+	case 'D': /* Discharging */
+	  strcat(bbuffer, "-");
+	  break;
+	case 'C': /* Charging */
+	  strcat(bbuffer, "+");
+	  break;
+	case 'F': /* Full */
+	  strcat(bbuffer, "=");
+	}
+	fclose(f);
       }
     }
-    fclose(f);
 
     /* build status */
-    sprintf(status, "%s | %s", tbuffer, bbuffer);
+    if (OPTION_BATTERY)
+      sprintf(status, "%s | %s", tbuffer, bbuffer);
+    else
+      sprintf(status, "%s", tbuffer);
 
     /* store root window name */
     XStoreName(display, DefaultRootWindow(display), status);