tar.h revision 1.7
1 /* $NetBSD: tar.h,v 1.7 2003/08/07 09:05:23 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)tar.h 8.2 (Berkeley) 4/18/94 35 */ 36 37 /*- 38 * Copyright (c) 1992 Keith Muller. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * Keith Muller of the University of California, San Diego. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)tar.h 8.2 (Berkeley) 4/18/94 72 */ 73 74 /* 75 * defines and data structures common to all tar formats 76 */ 77 #define CHK_LEN 8 /* length of checksum field */ 78 #define TNMSZ 100 /* size of name field */ 79 #ifdef _PAX_ 80 #define NULLCNT 2 /* number of null blocks in trailer */ 81 #define CHK_OFFSET 148 /* start of chksum field */ 82 #define BLNKSUM 256L /* sum of checksum field using ' ' */ 83 #endif /* _PAX_ */ 84 85 /* 86 * Values used in typeflag field in all tar formats 87 * (only REGTYPE, LNKTYPE and SYMTYPE are used in old bsd tar headers) 88 */ 89 #define REGTYPE '0' /* Regular File */ 90 #define AREGTYPE '\0' /* Regular File */ 91 #define LNKTYPE '1' /* Link */ 92 #define SYMTYPE '2' /* Symlink */ 93 #define CHRTYPE '3' /* Character Special File */ 94 #define BLKTYPE '4' /* Block Special File */ 95 #define DIRTYPE '5' /* Directory */ 96 #define FIFOTYPE '6' /* FIFO */ 97 #define CONTTYPE '7' /* high perf file */ 98 99 /* 100 * GNU tar compatibility; 101 */ 102 #define LONGLINKTYPE 'K' /* Long Symlink */ 103 #define LONGNAMETYPE 'L' /* Long File */ 104 105 /* 106 * Mode field encoding of the different file types - values in octal 107 */ 108 #define TSUID 04000 /* Set UID on execution */ 109 #define TSGID 02000 /* Set GID on execution */ 110 #define TSVTX 01000 /* Reserved */ 111 #define TUREAD 00400 /* Read by owner */ 112 #define TUWRITE 00200 /* Write by owner */ 113 #define TUEXEC 00100 /* Execute/Search by owner */ 114 #define TGREAD 00040 /* Read by group */ 115 #define TGWRITE 00020 /* Write by group */ 116 #define TGEXEC 00010 /* Execute/Search by group */ 117 #define TOREAD 00004 /* Read by other */ 118 #define TOWRITE 00002 /* Write by other */ 119 #define TOEXEC 00001 /* Execute/Search by other */ 120 121 #ifdef _PAX_ 122 /* 123 * Pad with a bit mask, much faster than doing a mod but only works on powers 124 * of 2. Macro below is for block of 512 bytes. 125 */ 126 #define TAR_PAD(x) ((512 - ((x) & 511)) & 511) 127 #endif /* _PAX_ */ 128 129 /* 130 * structure of an old tar header as it appeared in BSD releases 131 */ 132 typedef struct { 133 char name[TNMSZ]; /* name of entry */ 134 char mode[8]; /* mode */ 135 char uid[8]; /* uid */ 136 char gid[8]; /* gid */ 137 char size[12]; /* size */ 138 char mtime[12]; /* modification time */ 139 char chksum[CHK_LEN]; /* checksum */ 140 char linkflag; /* norm, hard, or sym. */ 141 char linkname[TNMSZ]; /* linked to name */ 142 } HD_TAR; 143 144 #ifdef _PAX_ 145 /* 146 * -o options for BSD tar to not write directories to the archive 147 */ 148 #define TAR_NODIR "nodir" 149 #define TAR_OPTION "write_opt" 150 151 /* 152 * default device names 153 */ 154 #define DEV_0 "/dev/rst0" 155 #define DEV_1 "/dev/rst1" 156 #define DEV_4 "/dev/rst4" 157 #define DEV_5 "/dev/rst5" 158 #define DEV_7 "/dev/rst7" 159 #define DEV_8 "/dev/rst8" 160 #endif /* _PAX_ */ 161 162 /* 163 * Data Interchange Format - Extended tar header format - POSIX 1003.1-1990 164 */ 165 #define TPFSZ 155 166 #define TMAGIC "ustar" /* ustar and a null */ 167 #define TMAGLEN 6 168 #define TVERSION "00" /* 00 and no null */ 169 #define TVERSLEN 2 170 171 typedef struct { 172 char name[TNMSZ]; /* name of entry */ 173 char mode[8]; /* mode */ 174 char uid[8]; /* uid */ 175 char gid[8]; /* gid */ 176 char size[12]; /* size */ 177 char mtime[12]; /* modification time */ 178 char chksum[CHK_LEN]; /* checksum */ 179 char typeflag; /* type of file. */ 180 char linkname[TNMSZ]; /* linked to name */ 181 char magic[TMAGLEN]; /* magic cookie */ 182 char version[TVERSLEN]; /* version */ 183 char uname[32]; /* ascii owner name */ 184 char gname[32]; /* ascii group name */ 185 char devmajor[8]; /* major device number */ 186 char devminor[8]; /* minor device number */ 187 char prefix[TPFSZ]; /* linked to name */ 188 } HD_USTAR; 189
Indexes created Fri Sep 26 20:09:58 GMT 2025