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98 lines
1.8 KiB
C
98 lines
1.8 KiB
C
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#ifndef __NDE_VFS_H
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#define __NDE_VFS_H
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#include <bfc/platform/types.h>
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#include <windows.h>
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//#define NDE_ALLOW_NONCACHED
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/*
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#ifdef NDE_ALLOW_NONCACHED
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#ifndef NDE_NOWIN32FILEIO
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#error NDE_ALLOW_NONCACHED at least for now requires NDE_NOWIN32FILEIO
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#endif
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#endif
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*/
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#define VFILE_INC 65536
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#define VFS_READ 1
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#define VFS_WRITE 2
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#define VFS_SEEKEOF 4
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#define VFS_CREATE 8
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#define VFS_NEWCONTENT 16
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#define VFS_MUSTEXIST 32
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#if defined(NDE_ALLOW_NONCACHED)
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#include "../nu/RingBuffer.h"
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#endif
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typedef struct VFILEStruct
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{
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void VFILE()
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{
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data = 0;
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ptr = 0;
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filesize = 0;
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maxsize = 0;
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filename = 0;
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mode = 0;
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cached = FALSE;
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dirty = 0;
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#ifdef NDE_ALLOW_NONCACHED
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#ifdef NDE_NOWIN32FILEIO
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rfile = 0;
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#else
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hfile = NULL;
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endoffile = false;
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r = 0;
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#endif
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#endif
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mutex = NULL;
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locks = 0;
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}
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uint8_t *data;
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uint32_t ptr;
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uint32_t filesize;
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uint32_t maxsize;
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wchar_t *filename;
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char mode;
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BOOL cached;
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int dirty;
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#ifdef NDE_ALLOW_NONCACHED
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#ifdef NDE_NOWIN32FILEIO
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FILE *rfile;
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#else
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HANDLE hfile;
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bool endoffile;
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RingBuffer r;
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#endif
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#endif
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HANDLE mutex;
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int locks;
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} VFILE;
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#ifdef __cplusplus
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extern "C" {
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#endif
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VFILE *Vfnew(const wchar_t *filename, const char *mode, BOOL Cached);
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VFILE *Vfopen(VFILE *f, wchar_t *filename, const char *mode, BOOL Cached); // filename must be an NDE string
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size_t Vfread(void *ptr, size_t size, VFILE *buf);
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void Vfseek(VFILE *fl, uint32_t i, int whence);
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uint32_t Vftell(VFILE *fl);
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void Vfclose(VFILE *fl);
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void Vfdestroy(VFILE *fl); // benski> TODO:
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void Vfwrite(const void *ptr, size_t size, VFILE *f);
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int Vfeof(VFILE *fl);
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int Vsync(VFILE *fl); // 1 on error updating
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int Vflock(VFILE *fl, BOOL is_sync=TRUE); // returns 0 on failure
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void Vfunlock(VFILE *fl, BOOL is_sync=TRUE);
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#ifdef __cplusplus
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}
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#endif
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#endif
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