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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1987, 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.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1987, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)yes.c 8.1 (Berkeley) 6/6/93";
#else
static const char rcsid[] = "$FreeBSD$";
#endif
#endif /* not lint */
#include <capsicum_helpers.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int
main(int argc, char **argv)
{
char buf[8192];
char y[2] = { 'y', '\n' };
char * exp = y;
size_t buflen = 0;
size_t explen = sizeof(y);
size_t more;
ssize_t ret;
if (caph_limit_stdio() < 0 || caph_enter() < 0)
err(1, "capsicum");
if (argc > 1) {
exp = argv[1];
explen = strlen(exp) + 1;
exp[explen - 1] = '\n';
}
if (explen <= sizeof(buf)) {
while (buflen < sizeof(buf) - explen) {
memcpy(buf + buflen, exp, explen);
buflen += explen;
}
exp = buf;
explen = buflen;
}
more = explen;
while ((ret = write(STDOUT_FILENO, exp + (explen - more), more)) > 0)
if ((more -= ret) == 0)
more = explen;
err(1, "stdout");
/*NOTREACHED*/
}