/**
 * @file fuse/fuse_opt.h
 * WinFsp FUSE compatible API.
 *
 * This file is derived from libfuse/include/fuse_opt.h:
 *     FUSE: Filesystem in Userspace
 *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
 *
 * @copyright 2015-2016 Bill Zissimopoulos
 */
/*
 * This file is part of WinFsp.
 *
 * You can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License version 3 as published by the
 * Free Software Foundation.
 *
 * Licensees holding a valid commercial license may use this file in
 * accordance with the commercial license agreement provided with the
 * software.
 */

#ifndef FUSE_OPT_H_
#define FUSE_OPT_H_

#include "winfsp_fuse.h"

#ifdef __cplusplus
extern "C" {
#endif

#define FUSE_OPT_KEY(templ, key)        { templ, -1, key }
#define FUSE_OPT_END                    { NULL, 0, 0 }

#define FUSE_OPT_KEY_OPT                -1
#define FUSE_OPT_KEY_NONOPT             -2
#define FUSE_OPT_KEY_KEEP               -3
#define FUSE_OPT_KEY_DISCARD            -4

#define FUSE_ARGS_INIT(argc, argv)      { argc, argv, 0 }

struct fuse_opt
{
	const char *templ;
	unsigned int offset;
	int value;
};

struct fuse_args
{
	int argc;
	char **argv;
	int allocated;
};

typedef int (*fuse_opt_proc_t)(void *data, const char *arg, int key,
    struct fuse_args *outargs);

FSP_FUSE_API int fsp_fuse_opt_parse(struct fsp_fuse_env *env,
    struct fuse_args *args, void *data,
    const struct fuse_opt opts[], fuse_opt_proc_t proc);
FSP_FUSE_API int fsp_fuse_opt_add_arg(struct fsp_fuse_env *env,
    struct fuse_args *args, const char *arg);
FSP_FUSE_API int fsp_fuse_opt_insert_arg(struct fsp_fuse_env *env,
    struct fuse_args *args, int pos, const char *arg);
FSP_FUSE_API void fsp_fuse_opt_free_args(struct fsp_fuse_env *env,
    struct fuse_args *args);
FSP_FUSE_API int fsp_fuse_opt_add_opt(struct fsp_fuse_env *env,
    char **opts, const char *opt);
FSP_FUSE_API int fsp_fuse_opt_add_opt_escaped(struct fsp_fuse_env *env,
    char **opts, const char *opt);
FSP_FUSE_API int fsp_fuse_opt_match(struct fsp_fuse_env *env,
    const struct fuse_opt opts[], const char *opt);

FSP_FUSE_SYM int fuse_opt_parse(struct fuse_args *args, void *data,
    const struct fuse_opt opts[], fuse_opt_proc_t proc)
{
    return fsp_fuse_opt_parse(fsp_fuse_env(), args, data, opts, proc);
}

FSP_FUSE_SYM int fuse_opt_add_arg(struct fuse_args *args, const char *arg)
{
    return fsp_fuse_opt_add_arg(fsp_fuse_env(), args, arg);
}

FSP_FUSE_SYM int fuse_opt_insert_arg(struct fuse_args *args, int pos, const char *arg)
{
    return fsp_fuse_opt_insert_arg(fsp_fuse_env(), args, pos, arg);
}

FSP_FUSE_SYM void fuse_opt_free_args(struct fuse_args *args)
{
    fsp_fuse_opt_free_args(fsp_fuse_env(), args);
}

FSP_FUSE_SYM int fuse_opt_add_opt(char **opts, const char *opt)
{
    return fsp_fuse_opt_add_opt(fsp_fuse_env(), opts, opt);
}

FSP_FUSE_SYM int fuse_opt_add_opt_escaped(char **opts, const char *opt)
{
    return fsp_fuse_opt_add_opt_escaped(fsp_fuse_env(), opts, opt);
}

FSP_FUSE_SYM int fuse_opt_match(const struct fuse_opt opts[], const char *opt)
{
    return fsp_fuse_opt_match(fsp_fuse_env(), opts, opt);
}

#ifdef __cplusplus
}
#endif

#endif