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/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (vfs_implementation.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __LIBRETRO_SDK_VFS_H
#define __LIBRETRO_SDK_VFS_H
#include <retro_common_api.h>
#include <boolean.h>
#ifdef RARCH_INTERNAL
#ifndef VFS_FRONTEND
#define VFS_FRONTEND
#endif
#endif
RETRO_BEGIN_DECLS
#ifdef _WIN32
typedef void* HANDLE;
#endif
#ifdef HAVE_CDROM
typedef struct
{
int64_t byte_pos;
char *cue_buf;
size_t cue_len;
unsigned cur_lba;
unsigned last_frame_lba;
unsigned char cur_min;
unsigned char cur_sec;
unsigned char cur_frame;
unsigned char cur_track;
unsigned char last_frame[2352];
char drive;
bool last_frame_valid;
} vfs_cdrom_t;
#endif
enum vfs_scheme
{
VFS_SCHEME_NONE = 0,
VFS_SCHEME_CDROM
};
#ifndef __WINRT__
#ifdef VFS_FRONTEND
struct retro_vfs_file_handle
#else
struct libretro_vfs_implementation_file
#endif
{
#ifdef HAVE_CDROM
vfs_cdrom_t cdrom; /* int64_t alignment */
#endif
int64_t size;
uint64_t mappos;
uint64_t mapsize;
FILE *fp;
#ifdef _WIN32
HANDLE fh;
#endif
char *buf;
char* orig_path;
uint8_t *mapped;
int fd;
unsigned hints;
enum vfs_scheme scheme;
};
#endif
/* Replace the following symbol with something appropriate
* to signify the file is being compiled for a front end instead of a core.
* This allows the same code to act as reference implementation
* for VFS and as fallbacks for when the front end does not provide VFS functionality.
*/
#ifdef VFS_FRONTEND
typedef struct retro_vfs_file_handle libretro_vfs_implementation_file;
#else
typedef struct libretro_vfs_implementation_file libretro_vfs_implementation_file;
#endif
#ifdef VFS_FRONTEND
typedef struct retro_vfs_dir_handle libretro_vfs_implementation_dir;
#else
typedef struct libretro_vfs_implementation_dir libretro_vfs_implementation_dir;
#endif
RETRO_END_DECLS
#endif
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