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/* Magic numbers */#define CMN_ASC 0x070701 /* Cpio Magic Number for ASCii header */ #define CMN_BIN 070707 /* Cpio Magic Number for Binary header */ #define CMN_BBS 0143561 /* Cpio Magic Number for Byte-Swap header */ #define CMN_CRC 0x070702 /* Cpio Magic Number for CRC header */ #define CMS_ASC "070701" /* Cpio Magic String for ASCii header */ #define CMS_CHR "070707" /* Cpio Magic String for CHR (-c) header */ #define CMS_CRC "070702" /* Cpio Magic String for CRC header */ #define CMN_SEC 0x070703 /* Tcpio Magic Number of TI/E header */ #define CMS_SEC "070703" /* Tcpio Magic String of TI/E header */ #define CMS_LEN 6 /* Cpio Magic String LENgth */
/* Various header and field lengths */
#define CHRSZ 76 /* -c hdr size minus filename field */ #define ASCSZ 110 /* ASC and CRC hdr size minus filename field */ #define TARSZ 512 /* TAR hdr size */
#define HNAMLEN 256 /* maximum filename length for binary and -c headers */ #define EXPNLEN 1024 /* maximum filename length for ASC and CRC headers */ #define HTIMLEN 2 /* length of modification time field */ #define HSIZLEN 2 /* length of file size field */
/* cpio binary header definition */
struct hdr_cpio { short h_magic, /* magic number field */ h_dev; /* file system of file */ ushort_t h_ino, /* inode of file */ h_mode, /* modes of file */ h_uid, /* uid of file */ h_gid; /* gid of file */ short h_nlink, /* number of links to file */ h_rdev, /* maj/min numbers for special files */ h_mtime[HTIMLEN], /* modification time of file */ h_namesize, /* length of filename */ h_filesize[HSIZLEN]; /* size of file */ char h_name[HNAMLEN]; /* filename */ } ;
/* cpio ODC header format */
struct c_hdr { char c_magic[CMS_LEN], c_dev[6], c_ino[6], c_mode[6], c_uid[6], c_gid[6], c_nlink[6], c_rdev[6], c_mtime[11], c_namesz[6], c_filesz[11], c_name[HNAMLEN]; } ;
/* -c and CRC header format */
struct Exp_cpio_hdr { char E_magic[CMS_LEN], E_ino[8], E_mode[8], E_uid[8], E_gid[8], E_nlink[8], E_mtime[8], E_filesize[8], E_maj[8], E_min[8], E_rmaj[8], E_rmin[8], E_namesize[8], E_chksum[8], E_name[EXPNLEN]; } ;
/* Tar header structure and format */ #define TBLOCK 512 /* length of tar header and data blocks */ #define TNAMLEN 100 /* maximum length for tar file names */ #define TMODLEN 8 /* length of mode field */ #define TUIDLEN 8 /* length of uid field */ #define TGIDLEN 8 /* length of gid field */ #define TSIZLEN 12 /* length of size field */ #define TTIMLEN 12 /* length of modification time field */ #define TCRCLEN 8 /* length of header checksum field */
/* tar header definition */ union tblock { char dummy[TBLOCK]; struct tar_hdr { char t_name[TNAMLEN], /* name of file */ t_mode[TMODLEN], /* mode of file */ t_uid[TUIDLEN], /* uid of file */ t_gid[TGIDLEN], /* gid of file */ t_size[TSIZLEN], /* size of file in bytes */ t_mtime[TTIMLEN], /* modification time of file */ t_cksum[TCRCLEN], /* checksum of header */ t_typeflag, t_linkname[TNAMLEN], /* file this file linked with */ t_magic[TMAGLEN], t_version[TVERSLEN], t_uname[32], t_gname[32], t_devmajor[8], t_devminor[8], t_prefix[155]; } tbuf; } ;
/* volcopy tape label format and structure */
#define VMAGLEN 8 #define VVOLLEN 6 #define VFILLEN 464 struct volcopy_label { char v_magic[VMAGLEN], v_volume[VVOLLEN], v_reels, v_reel; long v_time, v_length, v_dens, v_reelblks, /* u370 added field */ v_blksize, /* u370 added field */ v_nblocks; /* u370 added field */ char v_fill[VFILLEN]; long v_offset; /* used with -e and -reel options */ int v_type; /* does tape have nblocks field? */ } ;