1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* 26 * Copyright (c) 2013 RackTop Systems. 27 */ 28 29 /* 30 * Declarations for the functions in libcmdutils. 31 */ 32 33 #ifndef _LIBCMDUTILS_H 34 #define _LIBCMDUTILS_H 35 36 /* 37 * This is a private header file. Applications should not directly include 38 * this file. 39 */ 40 41 #include <stdio.h> 42 #include <unistd.h> 43 #include <stdlib.h> 44 #include <errno.h> 45 #include <fcntl.h> 46 #include <limits.h> 47 #include <libintl.h> 48 #include <string.h> 49 #include <dirent.h> 50 #include <attr.h> 51 #include <sys/avl.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <sys/mman.h> 55 #include <libnvpair.h> 56 57 #ifdef __cplusplus 58 extern "C" { 59 #endif 60 61 /* extended system attribute support */ 62 #define _NOT_SATTR 0 63 #define _RO_SATTR 1 64 #define _RW_SATTR 2 65 66 #define MAXMAPSIZE (1024*1024*8) /* map at most 8MB */ 67 #define SMALLFILESIZE (32*1024) /* don't use mmap on little file */ 68 #define ISREG(A) (((A).st_mode & S_IFMT) == S_IFREG) 69 70 /* avltree */ 71 #define OFFSETOF(s, m) ((size_t)(&(((s *)0)->m))) 72 73 /* Type used for a node containing a device id and inode number */ 74 typedef struct tree_node { 75 dev_t node_dev; 76 ino_t node_ino; 77 avl_node_t avl_link; 78 } tree_node_t; 79 80 81 /* extended system attribute support */ 82 83 /* Determine if a file is the name of an extended system attribute file */ 84 extern int sysattr_type(char *); 85 86 /* Determine if the underlying file system supports system attributes */ 87 extern int sysattr_support(char *, int); 88 89 /* Copies the content of the source file to the target file */ 90 extern int writefile(int, int, char *, char *, char *, char *, 91 struct stat *, struct stat *); 92 93 /* Gets file descriptors of the source and target attribute files */ 94 extern int get_attrdirs(int, int, char *, int *, int *); 95 96 /* Move extended attribute and extended system attribute */ 97 extern int mv_xattrs(char *, char *, char *, int, int); 98 99 /* Returns non default extended system attribute list */ 100 extern nvlist_t *sysattr_list(char *, int, char *); 101 102 103 104 /* avltree */ 105 106 /* 107 * Used to compare two nodes. We are attempting to match the 1st 108 * argument (node) against the 2nd argument (a node which 109 * is already in the search tree). 110 */ 111 112 extern int tnode_compare(const void *, const void *); 113 114 /* 115 * Used to add a single node (containing the input device id and 116 * inode number) to the specified search tree. The calling 117 * application must set the tree pointer to NULL before calling 118 * add_tnode() for the first time. 119 */ 120 extern int add_tnode(avl_tree_t **, dev_t, ino_t); 121 122 /* 123 * Used to destroy a whole tree (all nodes) without rebalancing. 124 * The calling application is responsible for setting the tree 125 * pointer to NULL upon return. 126 */ 127 extern void destroy_tree(avl_tree_t *); 128 129 130 131 /* user/group id helpers */ 132 133 /* 134 * Used to get the next available user id in given range. 135 */ 136 extern int findnextuid(uid_t, uid_t, uid_t *); 137 138 /* 139 * Used to get the next available group id in given range. 140 */ 141 extern int findnextgid(gid_t, gid_t, gid_t *); 142 143 #ifdef __cplusplus 144 } 145 #endif 146 147 #endif /* _LIBCMDUTILS_H */ 148