/* * 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. * * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved. * @(#)echo.c 8.1 (Berkeley) 5/31/93 * $FreeBSD: src/bin/echo/echo.c,v 1.8.2.1 2001/08/01 02:33:32 obrien Exp $ * $DragonFly: src/bin/echo/echo.c,v 1.8 2005/02/03 22:03:31 joerg Exp $ */ #include #include #include #include /* ARGSUSED */ int main(int argc __unused, char **argv) { int nflag = 0; /* This utility may NOT do getopt(3) option parsing. */ if (*++argv && !strcmp(*argv, "-n")) { ++argv; nflag = 1; } while (argv[0]) { size_t len = strlen(argv[0]); if (len >= 2 && !argv[1] && argv[0][len - 2] == '\\' && argv[0][len - 1] == 'c') { argv[0][len - 2] = '\0'; nflag = 1; } printf("%s", argv[0]); if (*++argv) putchar(' '); } if (!nflag) putchar('\n'); exit(0); }