1/* vi: set sw=4 ts=4: */
2/*
3 * yes implementation for busybox
4 *
5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */
9
10/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
11
12/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
13 *
14 * Size reductions and removed redundant applet name prefix from error messages.
15 */
16
17#include "libbb.h"
18
19/* This is a NOFORK applet. Be very careful! */
20
21//usage:#define yes_trivial_usage
22//usage:       "[STRING]"
23//usage:#define yes_full_usage "\n\n"
24//usage:       "Repeatedly output a line with STRING, or 'y'"
25
26int yes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
27int yes_main(int argc UNUSED_PARAM, char **argv)
28{
29	char **pp;
30
31	argv[0] = (char*)"y";
32	if (argv[1])
33		++argv;
34
35	do {
36		pp = argv;
37		while (1) {
38			fputs(*pp, stdout);
39			if (!*++pp)
40				break;
41			putchar(' ');
42		}
43	} while (putchar('\n') != EOF);
44
45	bb_perror_nomsg_and_die();
46}
47