mirror of
https://github.com/RaySollium99/picodrive.git
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111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (vfs_implementation.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIBRETRO_SDK_VFS_H
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#define __LIBRETRO_SDK_VFS_H
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#include <retro_common_api.h>
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#include <boolean.h>
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#ifdef RARCH_INTERNAL
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#ifndef VFS_FRONTEND
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#define VFS_FRONTEND
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#endif
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#endif
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RETRO_BEGIN_DECLS
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#ifdef _WIN32
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typedef void* HANDLE;
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#endif
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#ifdef HAVE_CDROM
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typedef struct
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{
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int64_t byte_pos;
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char *cue_buf;
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size_t cue_len;
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unsigned cur_lba;
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unsigned last_frame_lba;
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unsigned char cur_min;
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unsigned char cur_sec;
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unsigned char cur_frame;
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unsigned char cur_track;
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unsigned char last_frame[2352];
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char drive;
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bool last_frame_valid;
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} vfs_cdrom_t;
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#endif
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enum vfs_scheme
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{
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VFS_SCHEME_NONE = 0,
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VFS_SCHEME_CDROM
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};
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#if !(defined(__WINRT__) && defined(__cplusplus_winrt))
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#ifdef VFS_FRONTEND
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struct retro_vfs_file_handle
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#else
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struct libretro_vfs_implementation_file
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#endif
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{
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#ifdef HAVE_CDROM
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vfs_cdrom_t cdrom; /* int64_t alignment */
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#endif
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int64_t size;
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uint64_t mappos;
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uint64_t mapsize;
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FILE *fp;
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#ifdef _WIN32
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HANDLE fh;
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#endif
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char *buf;
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char* orig_path;
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uint8_t *mapped;
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int fd;
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unsigned hints;
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enum vfs_scheme scheme;
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};
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#endif
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/* Replace the following symbol with something appropriate
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* to signify the file is being compiled for a front end instead of a core.
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* This allows the same code to act as reference implementation
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* for VFS and as fallbacks for when the front end does not provide VFS functionality.
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*/
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#ifdef VFS_FRONTEND
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typedef struct retro_vfs_file_handle libretro_vfs_implementation_file;
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#else
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typedef struct libretro_vfs_implementation_file libretro_vfs_implementation_file;
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#endif
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#ifdef VFS_FRONTEND
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typedef struct retro_vfs_dir_handle libretro_vfs_implementation_dir;
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#else
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typedef struct libretro_vfs_implementation_dir libretro_vfs_implementation_dir;
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#endif
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RETRO_END_DECLS
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#endif
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