67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#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 <stdio.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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typedef struct {
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uint8_t *data;
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unsigned long ptr;
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unsigned long filesize;
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unsigned long maxsize;
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char *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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FILE *rfile;
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#endif
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FILE *lockFile;
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char lockname[1024];
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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 char *fl, const char *mode, BOOL Cached);
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VFILE *Vfopen(VFILE *f, const char *fl, const char *mode, BOOL Cached);
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size_t Vfread(void *ptr, size_t size, VFILE *buf);
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void Vfseek(VFILE *fl, long i, int whence);
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unsigned long 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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