1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
#ifndef __NDE_VFS_H
#define __NDE_VFS_H
#include <bfc/platform/types.h>
#include <windows.h>
//#define NDE_ALLOW_NONCACHED
/*
#ifdef NDE_ALLOW_NONCACHED
#ifndef NDE_NOWIN32FILEIO
#error NDE_ALLOW_NONCACHED at least for now requires NDE_NOWIN32FILEIO
#endif
#endif
*/
#define VFILE_INC 65536
#define VFS_READ 1
#define VFS_WRITE 2
#define VFS_SEEKEOF 4
#define VFS_CREATE 8
#define VFS_NEWCONTENT 16
#define VFS_MUSTEXIST 32
#if defined(NDE_ALLOW_NONCACHED)
#include "../nu/RingBuffer.h"
#endif
typedef struct VFILEStruct
{
void VFILE()
{
data = 0;
ptr = 0;
filesize = 0;
maxsize = 0;
filename = 0;
mode = 0;
cached = FALSE;
dirty = 0;
#ifdef NDE_ALLOW_NONCACHED
#ifdef NDE_NOWIN32FILEIO
rfile = 0;
#else
hfile = NULL;
endoffile = false;
r = 0;
#endif
#endif
mutex = NULL;
locks = 0;
}
uint8_t *data;
uint32_t ptr;
uint32_t filesize;
uint32_t maxsize;
wchar_t *filename;
char mode;
BOOL cached;
int dirty;
#ifdef NDE_ALLOW_NONCACHED
#ifdef NDE_NOWIN32FILEIO
FILE *rfile;
#else
HANDLE hfile;
bool endoffile;
RingBuffer r;
#endif
#endif
HANDLE mutex;
int locks;
} VFILE;
#ifdef __cplusplus
extern "C" {
#endif
VFILE *Vfnew(const wchar_t *filename, const char *mode, BOOL Cached);
VFILE *Vfopen(VFILE *f, wchar_t *filename, const char *mode, BOOL Cached); // filename must be an NDE string
size_t Vfread(void *ptr, size_t size, VFILE *buf);
void Vfseek(VFILE *fl, uint32_t i, int whence);
uint32_t Vftell(VFILE *fl);
void Vfclose(VFILE *fl);
void Vfdestroy(VFILE *fl); // benski> TODO:
void Vfwrite(const void *ptr, size_t size, VFILE *f);
int Vfeof(VFILE *fl);
int Vsync(VFILE *fl); // 1 on error updating
int Vflock(VFILE *fl, BOOL is_sync=TRUE); // returns 0 on failure
void Vfunlock(VFILE *fl, BOOL is_sync=TRUE);
#ifdef __cplusplus
}
#endif
#endif
|
