sudo/include/compat/getopt.h

84 lines
3.0 KiB
C

/* $OpenBSD: getopt.h,v 1.2 2008/06/26 05:42:04 ray Exp $ */
/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
/* $FreeBSD: head/include/getopt.h 203963 2010-02-16 19:28:10Z imp $ */
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Dieter Baron and Thomas Klausner.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 COMPAT_GETOPT_H
#define COMPAT_GETOPT_H
/*
* GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.
*/
#define no_argument 0
#define required_argument 1
#define optional_argument 2
struct option {
/* name of long option */
const char *name;
/*
* one of no_argument, required_argument, and optional_argument:
* whether option takes an argument
*/
int has_arg;
/* if not NULL, set *flag to val when option found */
int *flag;
/* if flag not NULL, value to set *flag to; else return value */
int val;
};
sudo_dso_public int sudo_getopt_long(int, char * const *, const char *,
const struct option *, int *);
#undef getopt_long
#define getopt_long(_a, _b, _c, _d, _e) \
sudo_getopt_long((_a), (_b), (_c), (_d), (_e))
sudo_dso_public int sudo_getopt_long_only(int, char * const *, const char *,
const struct option *, int *);
#undef getopt_long_only
#define getopt_long_only(_a, _b, _c, _d, _e) \
sudo_getopt_long_only((_a), (_b), (_c), (_d), (_e))
#if 0
sudo_dso_public int sudo_getopt(int, char * const [], const char *);
#undef getopt
#define getopt(_a, _b, _c) sudo_getopt((_a), (_b), (_c))
#endif
extern char *optarg; /* getopt(3) external variables */
extern int opterr;
extern int optind;
extern int optopt;
extern int optreset;
#endif /* !COMPAT_GETOPT_H */