/* $Source: /u/mark/src/pax/RCS/pax.h,v $ * * $Revision: 1.2 $ * * pax.h - defnitions for entire program * * DESCRIPTION * * This file contains most all of the definitions required by the PAX * software. This header is included in every source file. * * AUTHOR * * Mark H. Colburn, NAPS International (mark@jhereg.mn.org) * * Sponsored by The USENIX Association for public distribution. * * Copyright (c) 1989 Mark H. Colburn. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by Mark H. Colburn and sponsored by The USENIX Association. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef _PAX_H #define _PAX_H /* Headers */ #include "config.h" #include "limits.h" #include #include #include #include #include #ifndef _POSIX_SOURCE #include #endif #include #include "regexp.h" #if defined(DIRENT) || defined(_POSIX_SOURCE) # ifdef PAXDIR # include "paxdir.h" # else # include # endif #else # ifdef hpux # include # else # ifdef XENIX_286 # include # else XENIX_286 # include # endif XENIX_286 # endif /* hpux */ # define dirent direct #endif #ifdef _POSIX_SOURCE #define major(x) 0 #define minor(x) 0 #else #ifndef major # include #endif /* major */ #endif #ifdef SYSTIME # include #else /* SYSTIME */ # include #endif /* SYSTIME */ #ifndef V7 # include #endif #ifdef XENIX # include #endif #ifdef XENIX_286 #include #endif XENIX_286 #include #include #ifndef XENIX_286 #ifndef _POSIX_SOURCE #include #endif #endif /* XENIX_286 */ #ifdef _POSIX_SOURCE #include #include #endif /* Defines */ #define STDIN 0 /* Standard input file descriptor */ #define STDOUT 1 /* Standard output file descriptor */ /* * Open modes; there is no with v7 UNIX and other versions of * UNIX may not have all of these defined... */ #ifndef O_RDONLY # define O_RDONLY 0 #endif #ifndef O_WRONLY # define O_WRONLY 1 #endif #ifndef O_RDWR # define O_WRONLY 2 #endif #ifndef O_BINARY # define O_BINARY 0 #endif #ifndef NULL # define NULL 0 #endif #define TMAGIC "ustar" /* ustar and a null */ #define TMAGLEN 6 #define TVERSION "00" /* 00 and no null */ #define TVERSLEN 2 /* Values used in typeflag field */ #define REGTYPE '0' /* Regular File */ #define AREGTYPE '\0' /* Regular File */ #define LNKTYPE '1' /* Link */ #define SYMTYPE '2' /* Reserved */ #define CHRTYPE '3' /* Character Special File */ #define BLKTYPE '4' /* Block Special File */ #define DIRTYPE '5' /* Directory */ #define FIFOTYPE '6' /* FIFO */ #define CONTTYPE '7' /* Reserved */ #define BLOCKSIZE 512 /* all output is padded to 512 bytes */ #define uint unsigned int /* Not always in types.h */ #define ushort unsigned short /* Not always in types.h */ #define BLOCK 5120 /* Default archive block size */ #define H_COUNT 10 /* Number of items in ASCII header */ #define H_PRINT "%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo" #define H_SCAN "%6ho%6ho%6ho%6ho%6ho%6ho%6ho%11lo%6o%11lo" #define H_STRLEN 70 /* ASCII header string length */ #define M_ASCII "070707" /* ASCII magic number */ #define M_BINARY 070707 /* Binary magic number */ #define M_STRLEN 6 /* ASCII magic number length */ #define PATHELEM 256 /* Pathname element count limit */ #define S_IFSHF 12 /* File type shift (shb in stat.h) */ #define S_IPERM 07777 /* File permission bits (shb in stat.h) */ #define S_IPEXE 07000 /* Special execution bits (shb in stat.h) */ #define S_IPOPN 0777 /* Open access bits (shb in stat.h) */ #ifdef _POSIX_SOURCE /* hack: depend on knowing bits out of stat.h for S_ISREG, etc. */ #define S_IFMT 0170000 #define S_IFREG 0100000 #define S_IFDIR 0040000 #define S_IFCHR 0020000 #define S_IFBLK 0060000 #define S_IFIFO 0010000 #endif /* * Trailer pathnames. All must be of the same length. */ #define TRAILER "TRAILER!!!" /* Archive trailer (cpio compatible) */ #define TRAILZ 11 /* Trailer pathname length (including null) */ #include "port.h" #define TAR 1 #define CPIO 2 #define PAX 3 #define AR_READ 0 #define AR_WRITE 1 #define AR_EXTRACT 2 #define AR_APPEND 4 /* * Header block on tape. */ #define NAMSIZ 100 #define PFIXSIZ 155 #define TUNMLEN 32 #define TGNMLEN 32 /* The checksum field is filled with this while the checksum is computed. */ #define CHKBLANKS " " /* 8 blanks, no null */ /* * Exit codes from the "tar" program */ #define EX_SUCCESS 0 /* success! */ #define EX_ARGSBAD 1 /* invalid args */ #define EX_BADFILE 2 /* invalid filename */ #define EX_BADARCH 3 /* bad archive */ #define EX_SYSTEM 4 /* system gave unexpected error */ #define ROUNDUP(a,b) (((a) % (b)) == 0 ? (a) : ((a) + ((b) - ((a) % (b))))) /* * Mininum value. */ #define MIN(a, b) (((a) < (b)) ? (a) : (b)) /* * Remove a file or directory. */ #ifdef _POSIX_SOURCE #define REMOVE(name, asb) \ (S_ISDIR((asb)->sb_mode)? rmdir(name) : unlink(name)) #else #define REMOVE(name, asb) \ (((asb)->sb_mode & S_IFMT) == S_IFDIR ? rmdir(name) : unlink(name)) #endif /* * Cast and reduce to unsigned short. */ #define USH(n) (((ushort) (n)) & 0177777) /* Type Definitions */ /* * Binary archive header (obsolete). */ typedef struct { short b_dev; /* Device code */ ushort b_ino; /* Inode number */ ushort b_mode; /* Type and permissions */ ushort b_uid; /* Owner */ ushort b_gid; /* Group */ short b_nlink; /* Number of links */ short b_rdev; /* Real device */ ushort b_mtime[2]; /* Modification time (hi/lo) */ ushort b_name; /* Length of pathname (with null) */ ushort b_size[2]; /* Length of data */ } Binary; /* * File status with symbolic links. Kludged to hold symbolic link pathname * within structure. */ typedef struct { struct stat sb_stat; char sb_link[PATH_MAX + 1]; } Stat; #define STAT(name, asb) stat(name, &(asb)->sb_stat) #define FSTAT(fd, asb) fstat(fd, &(asb)->sb_stat) #define sb_dev sb_stat.st_dev #define sb_ino sb_stat.st_ino #define sb_mode sb_stat.st_mode #define sb_nlink sb_stat.st_nlink #define sb_uid sb_stat.st_uid #define sb_gid sb_stat.st_gid #define sb_rdev sb_stat.st_rdev #define sb_size sb_stat.st_size #define sb_atime sb_stat.st_atime #define sb_mtime sb_stat.st_mtime #define sb_ctime sb_stat.st_ctime #ifdef S_IFLNK # define LSTAT(name, asb) lstat(name, &(asb)->sb_stat) # define sb_blksize sb_stat.st_blksize # define sb_blocks sb_stat.st_blocks #else /* S_IFLNK */ /* * File status without symbolic links. */ # define LSTAT(name, asb) stat(name, &(asb)->sb_stat) #endif /* S_IFLNK */ /* * Hard link sources. One or more are chained from each link structure. */ typedef struct name { struct name *p_forw; /* Forward chain (terminated) */ struct name *p_back; /* Backward chain (circular) */ char *p_name; /* Pathname to link from */ } Path; /* * File linking information. One entry exists for each unique file with with * outstanding hard links. */ typedef struct link { struct link *l_forw; /* Forward chain (terminated) */ struct link *l_back; /* Backward chain (terminated) */ dev_t l_dev; /* Device */ ino_t l_ino; /* Inode */ ushort l_nlink; /* Unresolved link count */ OFFSET l_size; /* Length */ char *l_name; /* pathname to link from */ Path *l_path; /* Pathname which link to l_name */ } Link; /* * Structure for ed-style replacement strings (-s option). */ typedef struct replstr { regexp *comp; /* compiled regular expression */ char *replace; /* replacement string */ char print; /* >0 if we are to print replacement */ char global; /* >0 if we are to replace globally */ struct replstr *next; /* pointer to next record */ } Replstr; /* * This has to be included here to insure that all of the type * delcarations are declared for the prototypes. */ #ifndef STRERROR /* boofheads have a different interface than standard, so rename */ #define strerror xstrerror #endif #include "func.h" #ifndef NO_EXTERN /* Globally Available Identifiers */ extern char *ar_file; extern char *bufend; extern char *bufstart; extern char *bufidx; extern char *myname; extern int archivefd; extern int blocking; extern uint blocksize; extern int gid; extern int head_standard; extern int ar_interface; extern int ar_format; extern int mask; extern int ttyf; extern int uid; extern OFFSET total; extern short areof; extern short f_append; extern short f_create; extern short f_extract; extern short f_follow_links; extern short f_interactive; extern short f_linksleft; extern short f_list; extern short f_modified; extern short f_verbose; extern short f_link; extern short f_owner; extern short f_access_time; extern short f_pass; extern short f_pass; extern short f_disposition; extern short f_reverse_match; extern short f_mtime; extern short f_dir_create; extern short f_unconditional; extern short f_newer; extern time_t now; extern uint arvolume; extern int names_from_stdin; extern Replstr *rplhead; extern Replstr *rpltail; extern char **n_argv; extern int n_argc; extern FILE *msgfile; #endif /* NO_EXTERN */ extern char *optarg; extern int optind; #ifndef _POSIX_SOURCE extern int sys_nerr; extern char *sys_errlist[]; #endif extern int errno; #endif /* _PAX_H */