NetBSD echo 18 2008 09 18 05 42 08 dholland Exp Copyright 1989 1993 Th

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/* $NetBSD: echo.c,v 1.18 2008/09/18 05:42:08 dholland 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 1.18 2008/09/18 05:42:08 dholland Exp $");
#endif
#endif /* not lint */
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int, char *[]);
/* ARGSUSED */
int
main(int argc, char *argv[])
{
int nflag = 0;
int rflag = 0;
int wcount = 0;
//setprogname(argv[0]);
(void)setlocale(LC_ALL, "");
int i = 1;
//(void)printf("\n%s\n", *argv);
while(argv[i]){
wcount++;
//(void)printf("%s", argv[i]);
if(!strcmp(argv[i], "-n")){
nflag = 1;
wcount--;
}
if(!strcmp(argv[i], "-r")){
rflag = 1;
wcount--;
}
i++;
}
(void)printf("\n%i %i words: %i\n", rflag, nflag, wcount);
char **wordbuf;
wordbuf = (char**) malloc(wcount);
i = 1;
int j = 0;
while(argv[i]){
if(strcmp(argv[i], "-n")!=0&&strcmp(argv[i], "-r")!=0){
wordbuf[j] = argv[i];
printf("param: %s buf: %s\n", argv[i], wordbuf[j]);
j++;
}
i++;
}
printf("\n");
/* This utility may NOT do getopt(3) option parsing. */
if(rflag == 0){
*++argv;
while (*argv) {
(void)printf("%s", *argv);
if (*++argv)
(void)putchar(' ');
}
}
else{
for(j=wcount-1; j>=0; --j){
(void)printf("%s", wordbuf[j]);
(void)putchar(' ');
}
}
if (nflag == 0)
(void)putchar('\n');
fflush(stdout);
free(wordbuf);
if (ferror(stdout))
exit(1);
exit(0);
/* NOTREACHED */
}