archives(4) archives(4)
NAME
archives - device header file
DESCRIPTION
/* 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 HNAMLEN256/* maximum filename length for binary and -c headers */
#define EXPNLEN1024/* maximum filename length for ASC and CRC headers */
#define HTIMLEN2/* length of modification time field */
#define HSIZLEN2/* 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],
Copyright 1994 Novell, Inc. Page 1
archives(4) archives(4)
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,
Copyright 1994 Novell, Inc. Page 2
archives(4) archives(4)
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? */
} ;
Copyright 1994 Novell, Inc. Page 3