mirror of https://github.com/mgba-emu/mgba.git
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/* Copyright (c) 2013-2014 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef VFS_H
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#define VFS_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#ifdef _WIN32
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#include <io.h>
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#include <windows.h>
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#define PATH_SEP "/" // Windows can handle slashes, and backslashes confuse some libraries
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#else
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#define PATH_SEP "/"
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#endif
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#ifndef PATH_MAX
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#ifdef MAX_PATH
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#define PATH_MAX MAX_PATH
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#else
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#define PATH_MAX 128
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#endif
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#endif
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enum {
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MAP_READ = 1,
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MAP_WRITE = 2
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};
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enum VFSType {
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VFS_UNKNOWN = 0,
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VFS_FILE,
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VFS_DIRECTORY
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};
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struct VFile {
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bool (*close)(struct VFile* vf);
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off_t (*seek)(struct VFile* vf, off_t offset, int whence);
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ssize_t (*read)(struct VFile* vf, void* buffer, size_t size);
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ssize_t (*readline)(struct VFile* vf, char* buffer, size_t size);
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ssize_t (*write)(struct VFile* vf, const void* buffer, size_t size);
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void* (*map)(struct VFile* vf, size_t size, int flags);
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void (*unmap)(struct VFile* vf, void* memory, size_t size);
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void (*truncate)(struct VFile* vf, size_t size);
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ssize_t (*size)(struct VFile* vf);
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bool (*sync)(struct VFile* vf, const void* buffer, size_t size);
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};
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struct VDirEntry {
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const char* (*name)(struct VDirEntry* vde);
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enum VFSType (*type)(struct VDirEntry* vde);
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};
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struct VDir {
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bool (*close)(struct VDir* vd);
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void (*rewind)(struct VDir* vd);
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struct VDirEntry* (*listNext)(struct VDir* vd);
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struct VFile* (*openFile)(struct VDir* vd, const char* name, int mode);
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struct VDir* (*openDir)(struct VDir* vd, const char* name);
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bool (*deleteFile)(struct VDir* vd, const char* name);
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};
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struct VFile* VFileOpen(const char* path, int flags);
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struct VFile* VFileOpenFD(const char* path, int flags);
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struct VFile* VFileFromFD(int fd);
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struct VFile* VFileFromMemory(void* mem, size_t size);
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struct VFile* VFileFromConstMemory(const void* mem, size_t size);
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struct VFile* VFileMemChunk(const void* mem, size_t size);
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struct CircleBuffer;
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struct VFile* VFileFIFO(struct CircleBuffer* backing);
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struct VDir* VDirOpen(const char* path);
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struct VDir* VDirOpenArchive(const char* path);
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#if defined(USE_LIBZIP) || defined(USE_ZLIB)
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struct VDir* VDirOpenZip(const char* path, int flags);
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#endif
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#ifdef USE_LZMA
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struct VDir* VDirOpen7z(const char* path, int flags);
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#endif
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#if defined(__wii__) || defined(_3DS) || defined(PSP2)
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struct VDir* VDeviceList(void);
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#endif
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#ifdef USE_VFS_FILE
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struct VFile* VFileFOpen(const char* path, const char* mode);
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struct VFile* VFileFromFILE(FILE* file);
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#endif
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void separatePath(const char* path, char* dirname, char* basename, char* extension);
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struct VFile* VDirFindFirst(struct VDir* dir, bool (*filter)(struct VFile*));
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struct VFile* VDirFindNextAvailable(struct VDir*, const char* basename, const char* infix, const char* suffix, int mode);
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ssize_t VFileReadline(struct VFile* vf, char* buffer, size_t size);
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ssize_t VFileWrite32LE(struct VFile* vf, int32_t word);
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ssize_t VFileWrite16LE(struct VFile* vf, int16_t hword);
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ssize_t VFileRead32LE(struct VFile* vf, void* word);
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ssize_t VFileRead16LE(struct VFile* vf, void* hword);
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CXX_GUARD_END
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#endif
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