contrib/libarchive/cpio/cpio.h

   1 /*-
   2  * Copyright (c) 2003-2007 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  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  * $FreeBSD: src/usr.bin/cpio/cpio.h,v 1.7 2008/12/06 07:30:40 kientzle Exp $
  26  */
  27
  28 #ifndef CPIO_H_INCLUDED
  29 #define CPIO_H_INCLUDED
  30
  31 #include "cpio_platform.h"
  32 #include <stdio.h>
  33
  34 #define DEFAULT_BYTES_PER_BLOCK (20*512)
  35
  36 /*
  37  * The internal state for the "cpio" program.
  38  *
  39  * Keeping all of the state in a structure like this simplifies memory
  40  * leak testing (at exit, anything left on the heap is suspect).  A
  41  * pointer to this structure is passed to most cpio internal
  42  * functions.
  43  */
  44 struct cpio {
  45         /* Option parsing */
  46         const char       *optarg;
  47
  48         /* Options */
  49         const char       *filename;
  50         char              mode; /* -i -o -p */
  51         char              compress; /* -j, -y, or -z */
  52         const char       *format; /* -H format */
  53         int               bytes_per_block; /* -b block_size */
  54         int               verbose;   /* -v */
  55         int               quiet;   /* --quiet */
  56         int               extract_flags; /* Flags for extract operation */
  57         char              symlink_mode; /* H or L, per BSD conventions */
  58         const char       *compress_program;
  59         char              line_separator; /* --null ? '\0' : '\n' */
  60         int               option_append; /* -A, only relevant for -o */
  61         int               option_atime_restore; /* -a */
  62         int               option_follow_links; /* -L */
  63         int               option_link; /* -l */
  64         int               option_list; /* -t */
  65         int               option_numeric_uid_gid; /* -n */
  66         int               option_rename; /* -r */
  67         char             *destdir;
  68         size_t            pass_destpath_alloc;
  69         char             *pass_destpath;
  70         int               uid_override;
  71         int               gid_override;
  72         int               day_first; /* true if locale prefers day/mon */
  73
  74         /* If >= 0, then close this when done. */
  75         int               fd;
  76
  77         /* Miscellaneous state information */
  78         struct archive   *archive;
  79         int               argc;
  80         char            **argv;
  81         int               return_value; /* Value returned by main() */
  82         struct archive_entry_linkresolver *linkresolver;
  83
  84         struct name_cache *uname_cache;
  85         struct name_cache *gname_cache;
  86
  87         /* Work data. */
  88         struct matching  *matching;
  89         char             *buff;
  90         size_t            buff_size;
  91 };
  92
  93 /* Name of this program; used in error reporting, initialized in main(). */
  94 const char *cpio_progname;
  95
  96 void    cpio_errc(int _eval, int _code, const char *fmt, ...) __LA_DEAD;
  97 void    cpio_warnc(int _code, const char *fmt, ...);
  98
  99 int     owner_parse(const char *, int *, int *);
 100
 101
 102 /* Fake short equivalents for long options that otherwise lack them. */
 103 enum {
 104         OPTION_INSECURE = 1,
 105         OPTION_NO_PRESERVE_OWNER,
 106         OPTION_QUIET,
 107         OPTION_VERSION
 108 };
 109
 110 struct line_reader;
 111
 112 struct line_reader *process_lines_init(const char *, char separator);
 113 const char *process_lines_next(struct line_reader *);
 114 void    process_lines_free(struct line_reader *);
 115
 116 int     cpio_getopt(struct cpio *cpio);
 117 int     include_from_file(struct cpio *, const char *);
 118
 119 #endif