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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* Copyright (C) 2003 Serge van den Boom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
* Nota bene: later versions of the GNU General Public License do not apply
* to this program.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef LIBS_UIO_IO_H_
#define LIBS_UIO_IO_H_
#include <assert.h>
#include <sys/stat.h>
typedef struct uio_Handle uio_Handle;
typedef struct uio_DirHandle uio_DirHandle;
typedef struct uio_DirList uio_DirList;
typedef struct uio_MountHandle uio_MountHandle;
typedef enum {
uio_MOUNT_BOTTOM = (0 << 2),
uio_MOUNT_TOP = (1 << 2),
uio_MOUNT_BELOW = (2 << 2),
uio_MOUNT_ABOVE = (3 << 2)
} uio_MountLocation;
#include "match.h"
#include "fstypes.h"
#include "mount.h"
#include "mounttree.h"
#include "uiostream.h"
#include "getint.h"
#include "debug.h"
struct uio_AutoMount {
const char *pattern;
match_MatchType matchType;
uio_FileSystemID fileSystemID;
int mountFlags;
// uio_AutoMount **autoMount;
// automount rules to apply to file systems automounted
// because of this automount rule.
};
#ifndef uio_INTERNAL
struct uio_DirList {
const char **names;
int numNames;
// The rest of the fields are not visible from the outside
};
#endif
// Initialise the resource system
void uio_init(void);
// Uninitialise the resource system
void uio_unInit(void);
// Open a repository.
uio_Repository *uio_openRepository(int flags);
// Close a repository opened by uio_openRepository().
void uio_closeRepository(uio_Repository *repository);
// Mount a directory into a repository
uio_MountHandle *uio_mountDir(uio_Repository *destRep, const char *mountPoint,
uio_FileSystemID fsType,
uio_DirHandle *sourceDir, const char *sourcePath,
const char *inPath, uio_AutoMount **autoMount, int flags,
uio_MountHandle *relative);
// Mount a repository directory into same repository at a different
// location.
// From fossil.
uio_MountHandle *uio_transplantDir(const char *mountPoint,
uio_DirHandle *sourceDir, int flags, uio_MountHandle *relative);
// Unmount a previously mounted dir.
int uio_unmountDir(uio_MountHandle *mountHandle);
// Unmount all previously mounted dirs.
int uio_unmountAllDirs(uio_Repository *repository);
// Get the filesystem identifier for a mounted directory.
uio_FileSystemID uio_getMountFileSystemType(uio_MountHandle *mountHandle);
// Open a file
uio_Handle *uio_open(uio_DirHandle *dir, const char *file, int flags,
mode_t mode);
// Close a file descriptor for a file opened by uio_open
int uio_close(uio_Handle *handle);
// Rename or move a file or directory.
int uio_rename(uio_DirHandle *oldDir, const char *oldPath,
uio_DirHandle *newDir, const char *newPath);
// Test permissions on a file or directory.
int uio_access(uio_DirHandle *dir, const char *path, int mode);
// Fstat a file descriptor
int uio_fstat(uio_Handle *handle, struct stat *statBuf);
int uio_stat(uio_DirHandle *dir, const char *path, struct stat *statBuf);
int uio_mkdir(uio_DirHandle *dir, const char *name, mode_t mode);
ssize_t uio_read(uio_Handle *handle, void *buf, size_t count);
int uio_rmdir(uio_DirHandle *dirHandle, const char *path);
int uio_lseek(uio_Handle *handle, off_t offset, int whence);
ssize_t uio_write(uio_Handle *handle, const void *buf, size_t count);
int uio_unlink(uio_DirHandle *dirHandle, const char *path);
int uio_getFileLocation(uio_DirHandle *dir, const char *inPath,
int flags, uio_MountHandle **mountHandle, char **outPath);
// Get a directory handle.
uio_DirHandle *uio_openDir(uio_Repository *repository, const char *path,
int flags);
#define uio_OD_ROOT 1
// Get a directory handle using a path relative to another handle.
uio_DirHandle *uio_openDirRelative(uio_DirHandle *base, const char *path,
int flags);
// Release a directory handle
int uio_closeDir(uio_DirHandle *dirHandle);
uio_DirList *uio_getDirList(uio_DirHandle *dirHandle, const char *path,
const char *pattern, match_MatchType matchType);
void uio_DirList_free(uio_DirList *dirList);
// For debugging purposes
void uio_DirHandle_print(const uio_DirHandle *dirHandle, FILE *out);
#ifdef DEBUG
# define uio_DEBUG
#endif
#endif /* LIBS_UIO_IO_H_ */
|
