1*5b133f3fSguenther /* $OpenBSD: echo.c,v 1.11 2023/03/08 04:43:04 guenther Exp $ */
2df930be7Sderaadt /* $NetBSD: echo.c,v 1.6 1995/03/21 09:04:27 cgd Exp $ */
3df930be7Sderaadt
4df930be7Sderaadt /*
5df930be7Sderaadt * Copyright (c) 1989, 1993
6df930be7Sderaadt * The Regents of the University of California. All rights reserved.
7df930be7Sderaadt *
8df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
9df930be7Sderaadt * modification, are permitted provided that the following conditions
10df930be7Sderaadt * are met:
11df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
13df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
14df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
15df930be7Sderaadt * documentation and/or other materials provided with the distribution.
1629295d1cSmillert * 3. Neither the name of the University nor the names of its contributors
17df930be7Sderaadt * may be used to endorse or promote products derived from this software
18df930be7Sderaadt * without specific prior written permission.
19df930be7Sderaadt *
20df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30df930be7Sderaadt * SUCH DAMAGE.
31df930be7Sderaadt */
32df930be7Sderaadt
33df930be7Sderaadt #include <stdio.h>
34df930be7Sderaadt #include <string.h>
35ea14a70aSderaadt #include <unistd.h>
36ea14a70aSderaadt #include <err.h>
37df930be7Sderaadt
38df930be7Sderaadt int
main(int argc,char * argv[])39ab83b6d6Sderaadt main(int argc, char *argv[])
40df930be7Sderaadt {
41df930be7Sderaadt int nflag;
42df930be7Sderaadt
430bd1216cSderaadt if (pledge("stdio", NULL) == -1)
440bd1216cSderaadt err(1, "pledge");
45ea14a70aSderaadt
46df930be7Sderaadt /* This utility may NOT do getopt(3) option parsing. */
47df930be7Sderaadt if (*++argv && !strcmp(*argv, "-n")) {
48df930be7Sderaadt ++argv;
49df930be7Sderaadt nflag = 1;
50df930be7Sderaadt }
51df930be7Sderaadt else
52df930be7Sderaadt nflag = 0;
53df930be7Sderaadt
54df930be7Sderaadt while (*argv) {
556c9f2467Smichaels (void)fputs(*argv, stdout);
56df930be7Sderaadt if (*++argv)
57df930be7Sderaadt putchar(' ');
58df930be7Sderaadt }
59df930be7Sderaadt if (!nflag)
60df930be7Sderaadt putchar('\n');
616c9f2467Smichaels
626c9f2467Smichaels return 0;
63df930be7Sderaadt }
64