ReactOS  0.4.15-dev-3440-g915569a
io.h
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1 /* io.h - Virtual disk input/output
2 
3  Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
4  Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
5  Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
6 
7  This program is free software: you can redistribute it and/or modify
8  it under the terms of the GNU General Public License as published by
9  the Free Software Foundation, either version 3 of the License, or
10  (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program. If not, see <http://www.gnu.org/licenses/>.
19 
20  The complete text of the GNU General Public License
21  can be found in /usr/share/common-licenses/GPL-3 file.
22 */
23 
24 /* FAT32, VFAT, Atari format support, and various fixes additions May 1998
25  * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
26 
27 #ifndef _IO_H
28 #define _IO_H
29 
30 #ifndef __REACTOS__
31 #include <fcntl.h> /* for off_t */
32 #endif
33 
34 #ifndef __REACTOS__
35 void fs_open(char *path, int rw);
36 #else
38 #endif
39 
40 /* Opens the filesystem PATH. If RW is zero, the filesystem is opened
41  read-only, otherwise, it is opened read-write. */
42 
43 #ifdef __REACTOS__
44 BOOLEAN fs_isdirty(void);
45 
46 /* Checks if filesystem is dirty */
47 #endif
48 
49 void fs_read(off_t pos, int size, void *data);
50 
51 /* Reads SIZE bytes starting at POS into DATA. Performs all applicable
52  changes. */
53 
54 int fs_test(off_t pos, int size);
55 
56 /* Returns a non-zero integer if SIZE bytes starting at POS can be read without
57  errors. Otherwise, it returns zero. */
58 
59 void fs_write(off_t pos, int size, void *data);
60 
61 /* If write_immed is non-zero, SIZE bytes are written from DATA to the disk,
62  starting at POS. If write_immed is zero, the change is added to a list in
63  memory. */
64 
65 int fs_close(int write);
66 
67 /* Closes the filesystem, performs all pending changes if WRITE is non-zero
68  and removes the list of changes. Returns a non-zero integer if the file
69  system has been changed since the last fs_open, zero otherwise. */
70 
71 int fs_changed(void);
72 
73 /* Determines whether the filesystem has changed. See fs_close. */
74 
75 #ifdef __REACTOS__
76 NTSTATUS fs_lock(BOOLEAN LockVolume);
77 
78 /* Lock or unlocks the volume */
79 
80 void fs_dismount(void);
81 
82 /* Dismounts the volume */
83 #endif
84 #endif
_Check_return_ _CRTIMP int __cdecl write(_In_ int _Filehandle, _In_reads_bytes_(_MaxCharCount) const void *_Buf, _In_ unsigned int _MaxCharCount)
int fs_test(off_t pos, int size)
Definition: io.c:322
__kernel_off_t off_t
Definition: linux.h:201
LONG NTSTATUS
Definition: precomp.h:26
void fs_open(char *path, int rw)
Definition: io.c:163
static const struct @1595 read_write[]
unsigned char BOOLEAN
int fs_close(int write)
Definition: io.c:455
int fs_changed(void)
Definition: io.c:475
GLsizeiptr size
Definition: glext.h:5919
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
int rw
void fs_read(off_t pos, int size, void *data)
Definition: io.c:282
void fs_write(off_t pos, int size, void *data)
Definition: io.c:344