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author | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-01 22:55:37 +0000 |
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committer | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-03 18:22:05 -0600 |
commit | 5b57d28ffb6e1ef86b50f7d05d977826eae89bfe (patch) | |
tree | 154a22fe556b49e6927197336f8bf91b12eacd5e /bin/echo/echo.c | |
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initial population
Diffstat (limited to 'bin/echo/echo.c')
-rw-r--r-- | bin/echo/echo.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/bin/echo/echo.c b/bin/echo/echo.c new file mode 100644 index 0000000..2e59363 --- /dev/null +++ b/bin/echo/echo.c @@ -0,0 +1,81 @@ +/* $NetBSD: echo.c,v 1.19 2016/09/05 01:00:07 sevan Exp $ */ + +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT( +"@(#) Copyright (c) 1989, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)echo.c 8.1 (Berkeley) 5/31/93"; +#else +__RCSID("$NetBSD: echo.c,v 1.19 2016/09/05 01:00:07 sevan Exp $"); +#endif +#endif /* not lint */ + +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* ARGSUSED */ +int +main(int argc, char *argv[]) +{ + int nflag; + + setprogname(argv[0]); + (void)setlocale(LC_ALL, ""); + + /* This utility may NOT do getopt(3) option parsing. */ + if (*++argv && !strcmp(*argv, "-n")) { + ++argv; + nflag = 1; + } + else + nflag = 0; + + while (*argv) { + (void)printf("%s", *argv); + if (*++argv) + (void)putchar(' '); + } + if (nflag == 0) + (void)putchar('\n'); + fflush(stdout); + if (ferror(stdout)) + exit(1); + exit(0); + /* NOTREACHED */ +} |