contrib/libarchive-1.3.1/tar/bsdtar.h

   1 /*-
   2  * Copyright (c) 2003-2004 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer
  10  *    in this position and unchanged.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name(s) of the author(s) may not be used to endorse or promote
  15  *    products derived from this software without specific prior written
  16  *    permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  * $FreeBSD: src/usr.bin/tar/bsdtar.h,v 1.24 2006/03/21 17:03:51 kientzle Exp $
  30  */
  31
  32 #include "bsdtar_platform.h"
  33 #include <stdio.h>
  34
  35 #define DEFAULT_BYTES_PER_BLOCK (20*512)
  36
  37 /*
  38  * The internal state for the "bsdtar" program.
  39  *
  40  * Keeping all of the state in a structure like this simplifies memory
  41  * leak testing (at exit, anything left on the heap is suspect).  A
  42  * pointer to this structure is passed to most bsdtar internal
  43  * functions.
  44  */
  45 struct bsdtar {
  46         /* Options */
  47         const char       *filename; /* -f filename */
  48         const char       *create_format; /* -F format */
  49         char             *pending_chdir; /* -C dir */
  50         const char       *names_from_file; /* -T file */
  51         time_t            newer_ctime_sec; /* --newer/--newer-than */
  52         long              newer_ctime_nsec; /* --newer/--newer-than */
  53         time_t            newer_mtime_sec; /* --newer-mtime */
  54         long              newer_mtime_nsec; /* --newer-mtime-than */
  55         int               bytes_per_block; /* -b block_size */
  56         int               verbose;   /* -v */
  57         int               extract_flags; /* Flags for extract operation */
  58         int               strip_components; /* Remove this many leading dirs */
  59         char              mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */
  60         char              symlink_mode; /* H or L, per BSD conventions */
  61         char              create_compression; /* j, y, or z */
  62         char              option_absolute_paths; /* -P */
  63         char              option_dont_traverse_mounts; /* -X */
  64         char              option_fast_read; /* --fast-read */
  65         char              option_honor_nodump; /* --nodump */
  66         char              option_interactive; /* -w */
  67         char              option_no_owner; /* -o */
  68         char              option_no_subdirs; /* -d */
  69         char              option_null; /* --null */
  70         char              option_stdout; /* -p */
  71         char              option_totals; /* --totals */
  72         char              option_unlink_first; /* -U */
  73         char              option_warn_links; /* -l */
  74         char              day_first; /* show day before month in -tv output */
  75
  76         /* If >= 0, then close this when done. */
  77         int               fd;
  78
  79         /* Miscellaneous state information */
  80         struct archive   *archive;
  81         const char       *progname;
  82         int               argc;
  83         char            **argv;
  84         size_t            gs_width; /* For 'list_item' in read.c */
  85         size_t            u_width; /* for 'list_item' in read.c */
  86         uid_t             user_uid; /* UID running this program */
  87         int               return_value; /* Value returned by main() */
  88         char              warned_lead_slash; /* Already displayed warning */
  89         char              next_line_is_dir; /* Used for -C parsing in -cT */
  90
  91         /*
  92          * Data for various subsystems.  Full definitions are located in
  93          * the file where they are used.
  94          */
  95         struct archive_dir      *archive_dir;   /* for write.c */
  96         struct name_cache       *gname_cache;   /* for write.c */
  97         struct links_cache      *links_cache;   /* for write.c */
  98         struct matching         *matching;      /* for matching.c */
  99         struct security         *security;      /* for read.c */
 100         struct name_cache       *uname_cache;   /* for write.c */
 101 };
 102
 103 void    bsdtar_errc(struct bsdtar *, int _eval, int _code,
 104             const char *fmt, ...);
 105 void    bsdtar_strmode(struct archive_entry *entry, char *bp);
 106 void    bsdtar_warnc(struct bsdtar *, int _code, const char *fmt, ...);
 107 void    cleanup_exclusions(struct bsdtar *);
 108 void    do_chdir(struct bsdtar *);
 109 int     edit_pathname(struct bsdtar *, struct archive_entry *);
 110 int     exclude(struct bsdtar *, const char *pattern);
 111 int     exclude_from_file(struct bsdtar *, const char *pathname);
 112 int     excluded(struct bsdtar *, const char *pathname);
 113 int     include(struct bsdtar *, const char *pattern);
 114 int     include_from_file(struct bsdtar *, const char *pathname);
 115 int     process_lines(struct bsdtar *bsdtar, const char *pathname,
 116             int (*process)(struct bsdtar *, const char *));
 117 void    safe_fprintf(FILE *, const char *fmt, ...);
 118 void    set_chdir(struct bsdtar *, const char *newdir);
 119 void    tar_mode_c(struct bsdtar *bsdtar);
 120 void    tar_mode_r(struct bsdtar *bsdtar);
 121 void    tar_mode_t(struct bsdtar *bsdtar);
 122 void    tar_mode_u(struct bsdtar *bsdtar);
 123 void    tar_mode_x(struct bsdtar *bsdtar);
 124 int     unmatched_inclusions(struct bsdtar *bsdtar);
 125 void    usage(struct bsdtar *);
 126 int     yes(const char *fmt, ...);
 127