1 /*- 2 * Copyright (c) 1992 Keith Muller. 3 * Copyright (c) 1992, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Keith Muller of the University of California, San Diego. 8 * 9 * %sccs.include.redist.c% 10 * 11 * @(#)cpio.h 8.1 (Berkeley) 05/31/93 12 */ 13 14 /* 15 * Defines common to all versions of cpio 16 */ 17 #define TRAILER "TRAILER!!!" /* name in last archive record */ 18 19 /* 20 * Header encoding of the different file types 21 */ 22 #define C_ISDIR 040000 /* Directory */ 23 #define C_ISFIFO 010000 /* FIFO */ 24 #define C_ISREG 0100000 /* Regular file */ 25 #define C_ISBLK 060000 /* Block special file */ 26 #define C_ISCHR 020000 /* Character special file */ 27 #define C_ISCTG 0110000 /* Reserved for contiguous files */ 28 #define C_ISLNK 0120000 /* Reserved for symbolic links */ 29 #define C_ISOCK 0140000 /* Reserved for sockets */ 30 #define C_IFMT 0170000 /* type of file */ 31 32 /* 33 * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990 34 */ 35 typedef struct { 36 char c_magic[6]; /* magic cookie */ 37 char c_dev[6]; /* device number */ 38 char c_ino[6]; /* inode number */ 39 char c_mode[6]; /* file type/access */ 40 char c_uid[6]; /* owners uid */ 41 char c_gid[6]; /* owners gid */ 42 char c_nlink[6]; /* # of links at archive creation */ 43 char c_rdev[6]; /* block/char major/minor # */ 44 char c_mtime[11]; /* modification time */ 45 char c_namesize[6]; /* length of pathname */ 46 char c_filesize[11]; /* length of file in bytes */ 47 } HD_CPIO; 48 49 #define MAGIC 070707 /* transportable archive id */ 50 51 #ifdef _PAX_ 52 #define AMAGIC "070707" /* ascii equivalent string of MAGIC */ 53 #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */ 54 /* used for dev/inode remaps */ 55 #endif /* _PAX_ */ 56 57 /* 58 * Binary cpio header structure 59 * 60 * CAUTION! CAUTION! CAUTION! 61 * Each field really represents a 16 bit short (NOT ASCII). Described as 62 * an array of chars in an attempt to improve portability!! 63 */ 64 typedef struct { 65 u_char h_magic[2]; 66 u_char h_dev[2]; 67 u_char h_ino[2]; 68 u_char h_mode[2]; 69 u_char h_uid[2]; 70 u_char h_gid[2]; 71 u_char h_nlink[2]; 72 u_char h_rdev[2]; 73 u_char h_mtime_1[2]; 74 u_char h_mtime_2[2]; 75 u_char h_namesize[2]; 76 u_char h_filesize_1[2]; 77 u_char h_filesize_2[2]; 78 } HD_BCPIO; 79 80 #ifdef _PAX_ 81 /* 82 * extraction and creation macros for binary cpio 83 */ 84 #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff)) 85 #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff)) 86 #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff)) 87 #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff)) 88 #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff)) 89 #define CHR_WR_3(val) ((char)((val) & 0xff)) 90 91 /* 92 * binary cpio masks and pads 93 */ 94 #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */ 95 #define BCPIO_MASK 0xffff /* mask for dev/ino fields */ 96 #endif /* _PAX_ */ 97 98 /* 99 * System VR4 cpio header structure (with/without file data crc) 100 */ 101 typedef struct { 102 char c_magic[6]; /* magic cookie */ 103 char c_ino[8]; /* inode number */ 104 char c_mode[8]; /* file type/access */ 105 char c_uid[8]; /* owners uid */ 106 char c_gid[8]; /* owners gid */ 107 char c_nlink[8]; /* # of links at archive creation */ 108 char c_mtime[8]; /* modification time */ 109 char c_filesize[8]; /* length of file in bytes */ 110 char c_maj[8]; /* block/char major # */ 111 char c_min[8]; /* block/char minor # */ 112 char c_rmaj[8]; /* special file major # */ 113 char c_rmin[8]; /* special file minor # */ 114 char c_namesize[8]; /* length of pathname */ 115 char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */ 116 } HD_VCPIO; 117 118 #define VMAGIC 070701 /* sVr4 new portable archive id */ 119 #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */ 120 #ifdef _PAX_ 121 #define AVMAGIC "070701" /* ascii string of above */ 122 #define AVCMAGIC "070702" /* ascii string of above */ 123 #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */ 124 #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */ 125 #endif /* _PAX_ */ 126