/****************************************************************************
- * Copyright 2019,2020 Thomas E. Dickey *
+ * Copyright 2019-2020,2022 Thomas E. Dickey *
* Copyright 2000-2013,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
/*
* Author: Thomas E. Dickey - 2000
*
- * $Id: railroad.c,v 1.25 2020/09/05 21:43:37 tom Exp $
+ * $Id: railroad.c,v 1.26 2022/12/11 00:12:13 tom Exp $
*
* A simple demo of the termcap interface.
*/
}
}
+static void
+usage(int ok)
+{
+ static const char *msg[] =
+ {
+ "Usage: railroad [options]"
+ ,""
+ ,USAGE_COMMON
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
int
main(int argc, char *argv[])
{
- if (argc > 1) {
- railroad(argv + 1);
+ int ch;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+ switch (ch) {
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
+
+ if (optind < argc) {
+ railroad(argv + optind);
} else {
static char world[] = "Hello World";
static char *hello[] =
#else
int
-main(int argc GCC_UNUSED,
- char *argv[]GCC_UNUSED)
+main(void)
{
printf("This program requires termcap\n");
exit(EXIT_FAILURE);