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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2013 RackTop Systems.
*/
/*
* Copyright 2018 Joyent, Inc.
*/
/*
* Declarations for the functions in libcmdutils.
*/
#ifndef _LIBCMDUTILS_H
#define _LIBCMDUTILS_H
#if !defined(_LP64) && \
!((_FILE_OFFSET_BITS == 64) || defined(_LARGEFILE64_SOURCE))
#error "libcmdutils.h can only be used in a largefile compilation environment"
#endif
/*
* This is a private header file. Applications should not directly include
* this file.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <libintl.h>
#include <string.h>
#include <dirent.h>
#include <attr.h>
#include <sys/avl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <libnvpair.h>
#ifdef __cplusplus
extern "C" {
#endif
/* extended system attribute support */
#define _NOT_SATTR 0
#define _RO_SATTR 1
#define _RW_SATTR 2
#define MAXMAPSIZE (1024*1024*8) /* map at most 8MB */
#define SMALLFILESIZE (32*1024) /* don't use mmap on little file */
/* Type used for a node containing a device id and inode number */
#if defined(_LP64) || (_FILE_OFFSET_BITS == 64)
typedef struct tree_node {
dev_t node_dev;
ino_t node_ino;
avl_node_t avl_link;
} tree_node_t;
#else
typedef struct tree_node {
dev_t node_dev;
ino64_t node_ino;
avl_node_t avl_link;
} tree_node_t;
#endif
/* extended system attribute support */
/* Determine if a file is the name of an extended system attribute file */
extern int sysattr_type(char *);
/* Determine if the underlying file system supports system attributes */
extern int sysattr_support(char *, int);
/* Copies the content of the source file to the target file */
#if defined(_LP64) || (_FILE_OFFSET_BITS == 64)
extern int writefile(int, int, char *, char *, char *, char *,
struct stat *, struct stat *);
#else
extern int writefile(int, int, char *, char *, char *, char *,
struct stat64 *, struct stat64 *);
#endif
/* Gets file descriptors of the source and target attribute files */
extern int get_attrdirs(int, int, char *, int *, int *);
/* Move extended attribute and extended system attribute */
extern int mv_xattrs(char *, char *, char *, int, int);
/* Returns non default extended system attribute list */
extern nvlist_t *sysattr_list(char *, int, char *);
/* avltree */
/*
* Used to compare two nodes. We are attempting to match the 1st
* argument (node) against the 2nd argument (a node which
* is already in the search tree).
*/
extern int tnode_compare(const void *, const void *);
/*
* Used to add a single node (containing the input device id and
* inode number) to the specified search tree. The calling
* application must set the tree pointer to NULL before calling
* add_tnode() for the first time.
*/
#if defined(_LP64) || (_FILE_OFFSET_BITS == 64)
extern int add_tnode(avl_tree_t **, dev_t, ino_t);
#else
extern int add_tnode(avl_tree_t **, dev_t, ino64_t);
#endif
/*
* Used to destroy a whole tree (all nodes) without rebalancing.
* The calling application is responsible for setting the tree
* pointer to NULL upon return.
*/
extern void destroy_tree(avl_tree_t *);
/* user/group id helpers */
/*
* Used to get the next available user id in given range.
*/
extern int findnextuid(uid_t, uid_t, uid_t *);
/*
* Used to get the next available group id in given range.
*/
extern int findnextgid(gid_t, gid_t, gid_t *);
#define NN_DIVISOR_1000 (1U << 0)
/* Minimum size for the output of nicenum, including NULL */
#define NN_NUMBUF_SZ (6)
void nicenum(uint64_t, char *, size_t);
void nicenum_scale(uint64_t, size_t, char *, size_t, uint32_t);
#ifdef __cplusplus
}
#endif
#endif /* _LIBCMDUTILS_H */
|
