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/*
* ========================
* ===== ===============
* ====== ================
* ====== ================
* ====== ==== ==== ==
* ====== === == = =
* ====== === = == =
* = === === = == ====
* = === === = == = =
* == ===== ==== ==
* ========================
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2020 Joe
* 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 organization 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 JOE ''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 JOE 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.
*
* bsdsetsid: src/c_bsdsetsid.c
* Thu Nov 26 22:12:37 CET 2020
* Joe
*
* This is the entrypoint of the program.
*/
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "c_bsdsetsid.h"
#include "c_fork.h"
static char
c_args
(int argc,
const char* argv[],
bool_t* wopt)
{
if (argc == 1) {
dprintf(
STDERR_FILENO,
"%s: %s\n",
C_PROGNAME,
C_ERR_NOARG
);
return (1);
}
if (strncmp(argv[1], C_W_OPT, 3) == 0) {
*wopt = TRUE;
if (argc == 2) {
dprintf(
STDERR_FILENO,
"%s: %s\n",
C_PROGNAME,
C_ERR_NOARG
);
return (1);
}
}
return (0);
}
int
main
(int argc,
const char* argv[],
const char* envp[])
{
bool_t wopt;
wopt = FALSE;
if (c_args(argc, argv, &wopt) != 0) {
return (EXIT_FAILURE);
}
c_fork(argv, envp, wopt);
return (EXIT_SUCCESS);
}
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