commit 7c7bbaee4695ab7d91ef74b36ec63ac73d70881a
from: Alexander Arkhipov <aa@manpager.net>
date: Sat May 27 18:55:01 2023 UTC

initial implementation of user options

commit - 3dac010d3e678174cdff382641a67e8c1a99910b
commit + 7c7bbaee4695ab7d91ef74b36ec63ac73d70881a
blob - a7752b19fdd25c115a8c881e05abe65bbbcdbb22
blob + da97bfb0362e0b84d7c36faf7b4a88202a602860
--- xitems.c
+++ xitems.c
@@ -15,12 +15,21 @@
 #define HPAD 2 /* horizontal padding */
 #define VPAD 1 /* vertical padding */
 
+#define PROGNAME "xitems"
+
 #define LEN(A) (sizeof(A)/sizeof((A)[0]))
 
 static void
+usage(void)
+{
+	printf("too bad\n");
+	exit(1);
+}
+
+static void
 errx(int eval, const char *fmt, ...)
 {
-	fputs("lockscreen: ", stderr);
+	fputs(PROGNAME ": ", stderr);
 	if (fmt) {
 		va_list argp;
 		va_start(argp, fmt);
@@ -93,27 +102,153 @@ redraw(struct item *first, int height, int width, XFon
 	} while (it != first);
 }
 
+char *
+sdefault(char *opt, char *def)
+{
+	char *val = XGetDefault(dpy, PROGNAME, opt);
+	return val ? val : def;
+}
+
 int
+idefault(char *opt, int def)
+{
+	char *val = XGetDefault(dpy, PROGNAME, opt);
+	return val ? atoi(val) : def;
+}
+
+char *
+sarg(int *argcp, c    