1*57116Smuller /*- 2*57116Smuller * Copyright (c) 1992 Keith Muller. 3*57116Smuller * Copyright (c) 1992 The Regents of the University of California. 4*57116Smuller * All rights reserved. 5*57116Smuller * 6*57116Smuller * This code is derived from software contributed to Berkeley by 7*57116Smuller * Keith Muller of the University of California, San Diego. 8*57116Smuller * 9*57116Smuller * %sccs.include.redist.c% 10*57116Smuller * 11*57116Smuller * @(#)cpio.h 1.1 (Berkeley) 12/13/92 12*57116Smuller */ 13*57116Smuller 14*57116Smuller /* 15*57116Smuller * Defines common to all versions of cpio 16*57116Smuller */ 17*57116Smuller #define TRAILER "TRAILER!!!" /* name in last archive record */ 18*57116Smuller 19*57116Smuller /* 20*57116Smuller * Header encoding of the different file types 21*57116Smuller */ 22*57116Smuller #define C_ISDIR 040000 /* Directory */ 23*57116Smuller #define C_ISFIFO 010000 /* FIFO */ 24*57116Smuller #define C_ISREG 0100000 /* Regular file */ 25*57116Smuller #define C_ISBLK 060000 /* Block special file */ 26*57116Smuller #define C_ISCHR 020000 /* Character special file */ 27*57116Smuller #define C_ISCTG 0110000 /* Reserved for contiguous files */ 28*57116Smuller #define C_ISLNK 0120000 /* Reserved for symbolic links */ 29*57116Smuller #define C_ISOCK 0140000 /* Reserved for sockets */ 30*57116Smuller #define C_IFMT 0170000 /* type of file */ 31*57116Smuller 32*57116Smuller /* 33*57116Smuller * Data Interchange Format - Extended cpio Format - POSIX 1003.1-1990 34*57116Smuller */ 35*57116Smuller typedef struct { 36*57116Smuller char c_magic[6]; /* magic cookie */ 37*57116Smuller char c_dev[6]; /* device number */ 38*57116Smuller char c_ino[6]; /* inode number */ 39*57116Smuller char c_mode[6]; /* file type/access */ 40*57116Smuller char c_uid[6]; /* owners uid */ 41*57116Smuller char c_gid[6]; /* owners gid */ 42*57116Smuller char c_nlink[6]; /* # of links at archive creation */ 43*57116Smuller char c_rdev[6]; /* block/char major/minor # */ 44*57116Smuller char c_mtime[11]; /* modification time */ 45*57116Smuller char c_namesize[6]; /* length of pathname */ 46*57116Smuller char c_filesize[11]; /* length of file in bytes */ 47*57116Smuller } HD_CPIO; 48*57116Smuller 49*57116Smuller #define MAGIC 070707 /* transportable archive id */ 50*57116Smuller #define AMAGIC "070707" /* ascii string of above */ 51*57116Smuller #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */ 52*57116Smuller /* used for dev/inode remaps */ 53*57116Smuller 54*57116Smuller /* 55*57116Smuller * Binary cpio structure 56*57116Smuller * 57*57116Smuller * CAUTION! CAUTION! CAUTION! 58*57116Smuller * Each field really represents a 16 bit short (NOT ASCII). We deal with it as 59*57116Smuller * an array of chars in an attempt to improve portability!! 60*57116Smuller */ 61*57116Smuller typedef struct { 62*57116Smuller u_char h_magic[2]; 63*57116Smuller u_char h_dev[2]; 64*57116Smuller u_char h_ino[2]; 65*57116Smuller u_char h_mode[2]; 66*57116Smuller u_char h_uid[2]; 67*57116Smuller u_char h_gid[2]; 68*57116Smuller u_char h_nlink[2]; 69*57116Smuller u_char h_rdev[2]; 70*57116Smuller u_char h_mtime_1[2]; 71*57116Smuller u_char h_mtime_2[2]; 72*57116Smuller u_char h_namesize[2]; 73*57116Smuller u_char h_filesize_1[2]; 74*57116Smuller u_char h_filesize_2[2]; 75*57116Smuller } HD_BCPIO; 76*57116Smuller 77*57116Smuller /* 78*57116Smuller * extraction and creation macros 79*57116Smuller */ 80*57116Smuller #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff)) 81*57116Smuller #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff)) 82*57116Smuller #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff)) 83*57116Smuller #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff)) 84*57116Smuller #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff)) 85*57116Smuller #define CHR_WR_3(val) ((char)((val) & 0xff)) 86*57116Smuller 87*57116Smuller /* 88*57116Smuller * masks and pads 89*57116Smuller */ 90*57116Smuller #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */ 91*57116Smuller #define BCPIO_MASK 0xffff /* mask for dev/ino fields */ 92*57116Smuller 93*57116Smuller /* 94*57116Smuller * System VR4 cpio structure 95*57116Smuller */ 96*57116Smuller typedef struct { 97*57116Smuller char c_magic[6]; /* magic cookie */ 98*57116Smuller char c_ino[8]; /* inode number */ 99*57116Smuller char c_mode[8]; /* file type/access */ 100*57116Smuller char c_uid[8]; /* owners uid */ 101*57116Smuller char c_gid[8]; /* owners gid */ 102*57116Smuller char c_nlink[8]; /* # of links at archive creation */ 103*57116Smuller char c_mtime[8]; /* modification time */ 104*57116Smuller char c_filesize[8]; /* length of file in bytes */ 105*57116Smuller char c_maj[8]; /* block/char major # */ 106*57116Smuller char c_min[8]; /* block/char minor # */ 107*57116Smuller char c_rmaj[8]; /* special file major # */ 108*57116Smuller char c_rmin[8]; /* special file minor # */ 109*57116Smuller char c_namesize[8]; /* length of pathname */ 110*57116Smuller char c_chksum[8]; /* 0 OR CRC of bytes in FILE */ 111*57116Smuller } HD_VCPIO; 112*57116Smuller 113*57116Smuller #define VMAGIC 070701 /* sVr4 new portable archive id */ 114*57116Smuller #define AVMAGIC "070701" /* ascii string of above */ 115*57116Smuller #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */ 116*57116Smuller #define AVCMAGIC "070702" /* ascii string of above */ 117*57116Smuller #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /*pad to next 4 byte word */ 118*57116Smuller #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */ 119