e90e8e4b97
extraction and creation. While I'm here, fix a bug reported by Garrett Wollman: when stripping the leading '/' from the path "/", don't produce an entry with an empty name; produce "." instead.
128 lines
5.2 KiB
C
128 lines
5.2 KiB
C
/*-
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* Copyright (c) 2003-2004 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name(s) of the author(s) may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <archive.h>
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#include <stdio.h>
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#define DEFAULT_BYTES_PER_BLOCK (20*512)
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/*
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* The internal state for the "bsdtar" program.
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*
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* Keeping all of the state in a structure like this simplifies memory
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* leak testing (at exit, anything left on the heap is suspect). A
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* pointer to this structure is passed to most bsdtar internal
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* functions.
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*/
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struct bsdtar {
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/* Options */
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const char *filename; /* -f filename */
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const char *create_format; /* -F format */
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char *pending_chdir; /* -C dir */
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const char *names_from_file; /* -T file */
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time_t newer_ctime_sec; /* --newer/--newer-than */
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long newer_ctime_nsec; /* --newer/--newer-than */
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time_t newer_mtime_sec; /* --newer-mtime */
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long newer_mtime_nsec; /* --newer-mtime-than */
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int bytes_per_block; /* -b block_size */
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int verbose; /* -v */
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int extract_flags; /* Flags for extract operation */
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int strip_components; /* Remove this many leading dirs */
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char mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */
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char symlink_mode; /* H or L, per BSD conventions */
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char create_compression; /* j, y, or z */
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char option_absolute_paths; /* -P */
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char option_dont_traverse_mounts; /* -X */
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char option_fast_read; /* --fast-read */
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char option_honor_nodump; /* --nodump */
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char option_interactive; /* -w */
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char option_no_owner; /* -o */
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char option_no_subdirs; /* -d */
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char option_null; /* --null */
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char option_stdout; /* -p */
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char option_totals; /* --totals */
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char option_unlink_first; /* -U */
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char option_warn_links; /* -l */
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char day_first; /* show day before month in -tv output */
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/* If >= 0, then close this when done. */
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int fd;
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/* Miscellaneous state information */
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struct archive *archive;
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const char *progname;
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int argc;
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char **argv;
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size_t gs_width; /* For 'list_item' in read.c */
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size_t u_width; /* for 'list_item' in read.c */
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uid_t user_uid; /* UID running this program */
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int return_value; /* Value returned by main() */
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char warned_lead_slash; /* Already displayed warning */
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char next_line_is_dir; /* Used for -C parsing in -cT */
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/*
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* Data for various subsystems. Full definitions are located in
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* the file where they are used.
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*/
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struct archive_dir *archive_dir; /* for write.c */
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struct name_cache *gname_cache; /* for write.c */
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struct links_cache *links_cache; /* for write.c */
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struct matching *matching; /* for matching.c */
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struct security *security; /* for read.c */
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struct name_cache *uname_cache; /* for write.c */
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};
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void bsdtar_errc(struct bsdtar *, int _eval, int _code,
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const char *fmt, ...);
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void bsdtar_strmode(struct archive_entry *entry, char *bp);
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void bsdtar_warnc(struct bsdtar *, int _code, const char *fmt, ...);
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void cleanup_exclusions(struct bsdtar *);
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void do_chdir(struct bsdtar *);
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int edit_pathname(struct bsdtar *, struct archive_entry *);
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int exclude(struct bsdtar *, const char *pattern);
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int exclude_from_file(struct bsdtar *, const char *pathname);
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int excluded(struct bsdtar *, const char *pathname);
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int include(struct bsdtar *, const char *pattern);
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int include_from_file(struct bsdtar *, const char *pathname);
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int process_lines(struct bsdtar *bsdtar, const char *pathname,
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int (*process)(struct bsdtar *, const char *));
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void safe_fprintf(FILE *, const char *fmt, ...);
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void set_chdir(struct bsdtar *, const char *newdir);
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void tar_mode_c(struct bsdtar *bsdtar);
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void tar_mode_r(struct bsdtar *bsdtar);
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void tar_mode_t(struct bsdtar *bsdtar);
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void tar_mode_u(struct bsdtar *bsdtar);
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void tar_mode_x(struct bsdtar *bsdtar);
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int unmatched_inclusions(struct bsdtar *bsdtar);
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void usage(struct bsdtar *);
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int yes(const char *fmt, ...);
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