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 /* 27 * Declarations for the functions in libcmdutils. 28 */ 29 30 #ifndef _LIBCMDUTILS_H 31 #define _LIBCMDUTILS_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 /* 36 * This is a private header file. Applications should not directly include 37 * this file. 38 */ 39 40 #include <stdio.h> 41 #include <unistd.h> 42 #include <stdlib.h> 43 #include <errno.h> 44 #include <fcntl.h> 45 #include <limits.h> 46 #include <libintl.h> 47 #include <string.h> 48 #include <dirent.h> 49 #include <attr.h> 50 #include <sys/avl.h> 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <sys/mman.h> 54 #include <libnvpair.h> 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 /* extended system attribute support */ 61 #define _NOT_SATTR 0 62 #define _RO_SATTR 1 63 #define _RW_SATTR 2 64 65 #define MAXMAPSIZE (1024*1024*8) /* map at most 8MB */ 66 #define SMALLFILESIZE (32*1024) /* don't use mmap on little file */ 67 #define ISREG(A) (((A).st_mode & S_IFMT) == S_IFREG) 68 69 /* avltree */ 70 #define OFFSETOF(s, m) ((size_t)(&(((s *)0)->m))) 71 72 /* Type used for a node containing a device id and inode number */ 73 typedef struct tree_node { 74 dev_t node_dev; 75 ino_t node_ino; 76 avl_node_t avl_link; 77 } tree_node_t; 78 79 80 /* extended system attribute support */ 81 82 /* Determine if a file is the name of an extended system attribute file */ 83 extern int sysattr_type(char *); 84 85 /* Determine if the underlying file system supports system attributes */ 86 extern int sysattr_support(char *, int); 87 88 /* Copies the content of the source file to the target file */ 89 extern int writefile(int, int, char *, char *, char *, char *, 90 struct stat *, struct stat *); 91 92 /* Gets file descriptors of the source and target attribute files */ 93 extern int get_attrdirs(int, int, char *, int *, int *); 94 95 /* Move extended attribute and extended system attribute */ 96 extern int mv_xattrs(char *, char *, char *, int, int); 97 98 /* Returns non default extended system attribute list */ 99 extern nvlist_t *sysattr_list(char *, int, char *); 100 101 102 103 /* avltree */ 104 105 /* 106 * Used to compare two nodes. We are attempting to match the 1st 107 * argument (node) against the 2nd argument (a node which 108 * is already in the search tree). 109 */ 110 111 extern int tnode_compare(const void *, const void *); 112 113 /* 114 * Used to add a single node (containing the input device id and 115 * inode number) to the specified search tree. The calling 116 * application must set the tree pointer to NULL before calling 117 * add_tnode() for the first time. 118 */ 119 extern int add_tnode(avl_tree_t **, dev_t, ino_t); 120 121 /* 122 * Used to destroy a whole tree (all nodes) without rebalancing. 123 * The calling application is responsible for setting the tree 124 * pointer to NULL upon return. 125 */ 126 extern void destroy_tree(avl_tree_t *); 127 128 #ifdef __cplusplus 129 } 130 #endif 131 132 #endif /* _LIBCMDUTILS_H */ 133