/*      $NetBSD: fuse_opt.h,v 1.10 2022/01/22 08:01:50 pho Exp $        */

/*
* Copyright (c) 2007 Alistair Crooks.  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. The name of the author may not be used to endorse or promote
*    products derived from this software without specific prior written
*    permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _FUSE_OPT_H_
#define _FUSE_OPT_H_

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

enum {
       FUSE_OPT_KEY_OPT = -1,
       FUSE_OPT_KEY_NONOPT = -2,
       FUSE_OPT_KEY_KEEP = -3,
       FUSE_OPT_KEY_DISCARD = -4
};

struct fuse_args;

struct fuse_opt {
       const char      *templ;
       int32_t         offset;
       int32_t         value;
};

#define FUSE_OPT_KEY(templ, key) { templ, -1, key }
#define FUSE_OPT_END { .templ = NULL }

typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *);


int fuse_opt_add_arg(struct fuse_args *, const char *);
struct fuse_args *fuse_opt_deep_copy_args(int, char **);
void fuse_opt_free_args(struct fuse_args *);
int fuse_opt_insert_arg(struct fuse_args *, int, const char *);
int fuse_opt_add_opt(char **, const char *);
int fuse_opt_add_opt_escaped(char **, const char *);
int fuse_opt_parse(struct fuse_args *, void *,
                  const struct fuse_opt *, fuse_opt_proc_t);
int fuse_opt_match(const struct fuse_opt *, const char *);

#ifdef __cplusplus
}
#endif

#endif /* _FUSE_OPT_H_ */