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/**
* \file fsw_posix.h
* POSIX user space host environment header.
*/
/*-
* Copyright (c) 2006 Christoph Pfisterer
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Christoph Pfisterer nor the names of the
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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 _FSW_POSIX_H_
#define _FSW_POSIX_H_
#include "fsw_core.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/dir.h>
/**
* POSIX Host: Private per-volume structure.
*/
struct fsw_posix_volume {
struct fsw_volume *vol; //!< FSW volume structure
int fd; //!< System file descriptor for data access
};
/**
* POSIX Host: Private structure for an open file.
*/
struct fsw_posix_file {
struct fsw_posix_volume *pvol; //!< POSIX host volume structure
struct fsw_shandle shand; //!< FSW handle for this file
};
/**
* POSIX Host: Private structure for an open directory.
*/
struct fsw_posix_dir {
struct fsw_posix_volume *pvol; //!< POSIX host volume structure
struct fsw_shandle shand; //!< FSW handle for this file
};
/* functions */
struct fsw_posix_volume * fsw_posix_mount(const char *path, struct fsw_fstype_table *fstype_table);
int fsw_posix_unmount(struct fsw_posix_volume *pvol);
struct fsw_posix_file * fsw_posix_open(struct fsw_posix_volume *pvol, const char *path, int flags, mode_t mode);
ssize_t fsw_posix_read(struct fsw_posix_file *file, void *buf, size_t nbytes);
off_t fsw_posix_lseek(struct fsw_posix_file *file, off_t offset, int whence);
int fsw_posix_close(struct fsw_posix_file *file);
struct fsw_posix_dir * fsw_posix_opendir(struct fsw_posix_volume *pvol, const char *path);
struct dirent * fsw_posix_readdir(struct fsw_posix_dir *dir);
void fsw_posix_rewinddir(struct fsw_posix_dir *dir);
int fsw_posix_closedir(struct fsw_posix_dir *dir);
#endif
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