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

/* $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 */
}