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dwm-startupcommands-6.2.diff

/* diff file for startup commands in dwm */
diff -up a/config.def.h b/config.def.h
--- a/config.def.h	2019-02-02 13:55:28.000000000 +0100
+++ b/config.def.h	2020-05-30 17:23:39.085114250 +0200
@@ -18,6 +18,16 @@ static const char *colors[][3]      = {
 	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
 };
 
+/* Run things on startup */
+static unsigned int child_pid = 0;
+static const char *(stup_prgs[5][4])    = {   // [Number_programs][Number_args]
+    /* prog path            arg1           arg2                          arg... */
+    { "setxkbmap",          "-option",     "caps:escape",                NULL },
+    { NULL,                 NULL,          NULL,                         NULL }
+};
+
+#include "startup.c"
+
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 
diff -up a/startup.c b/startup.c
--- a/startup.c	2020-05-30 17:25:55.234452034 +0200
+++ b/startup.c	2020-05-30 17:21:46.954895476 +0200
@@ -0,0 +1,33 @@
+void
+runStartupCommand(int pos)
+{
+	unsigned int	id = 0;
+
+	if ((id = fork()) < 0)
+		exit(EXIT_FAILURE);
+	if (id == 0) {
+		if (execvp(stup_prgs[pos][0], (char **)stup_prgs[pos]) < 0) {
+			fprintf(stderr, "Command: %s failed\n", stup_prgs[pos][0]);
+			exit(-1);
+		}
+		exit(0);
+	}
+}
+
+void
+startup(void)
+{
+	unsigned int id = 0;
+
+	if ((id = fork()) < 0)
+		exit(EXIT_FAILURE);
+	if (id == 0) {
+		/* Child process in wich we will do the Autostart commands */
+		for (int i = 0; stup_prgs[i][0] != NULL; i++) {
+			runStartupCommand(i);
+		}
+		exit(0);
+	} else {
+		child_pid = id;
+	}
+}