namecache work stage 2: move struct namecache to its own header file and
[dragonfly.git] / bin / echo / echo.c
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
1de703da
MD
32 *
33 * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)echo.c 8.1 (Berkeley) 5/31/93
35 * $FreeBSD: src/bin/echo/echo.c,v 1.8.2.1 2001/08/01 02:33:32 obrien Exp $
9dbf638f 36 * $DragonFly: src/bin/echo/echo.c,v 1.3 2003/09/21 04:21:11 drhodus Exp $
984263bc
MD
37 */
38
984263bc
MD
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42
9dbf638f 43int main (int, char *[]);
984263bc
MD
44
45int
46main(argc, argv)
47 int argc __unused;
48 char *argv[];
49{
50 int nflag;
51
52 /* This utility may NOT do getopt(3) option parsing. */
53 if (*++argv && !strcmp(*argv, "-n")) {
54 ++argv;
55 nflag = 1;
56 }
57 else
58 nflag = 0;
59
60 while (argv[0]) {
61 int len = strlen(argv[0]);
62
63 if (len >= 2 && !argv[1] && argv[0][len - 2] == '\\' && argv[0][len - 1] == 'c') {
64 argv[0][len - 2] = '\0';
65 nflag = 1;
66 }
67 (void)printf("%s", argv[0]);
68 if (*++argv)
69 putchar(' ');
70 }
71 if (!nflag)
72 putchar('\n');
73 exit(0);
74}