view usr/src/cmd/yes/yes.c @ 14126:62364715172d

3927 yes(1) needs error handling to avoid spinning Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Marcel Telka <Marcel.Telka@nexenta.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Irek Szczesniak <iszczesniak@gmail.com> Approved by: Richard Lowe <richlowe@richlowe.net>
author Jonathan Perkin <jperkin@joyent.com>
date Thu, 17 Jan 2013 00:48:10 +0000
parents 68f95e015346
children
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/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/*
 * Copyright (c) 2013, Joyent, Inc.  All rights reserved.
 */

#include <stdio.h>

int
main(int argc, char **argv)
{
	if (argc <= 1) {
		while (puts("y") != EOF)
			continue;
	} else {
		for (;;) {
			int i;

			for (i = 1; i < argc; i++) {
				if (i > 1)
					if (putchar(' ') == EOF)
						goto err;
				if (fputs(argv[i], stdout) == EOF)
					goto err;
			}
			if (putchar('\n') == EOF)
				goto err;
		}
	}

err:
	return (1);
}