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| Current File : //compat/linux/proc/68247/cwd/usr/include/archive.h |
/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/contrib/libarchive/libarchive/archive.h 229592 2012-01-05 12:06:54Z mm $
*/
#ifndef ARCHIVE_H_INCLUDED
#define ARCHIVE_H_INCLUDED
/*
* Note: archive.h is for use outside of libarchive; the configuration
* headers (config.h, archive_platform.h, etc.) are purely internal.
* Do NOT use HAVE_XXX configuration macros to control the behavior of
* this header! If you must conditionalize, use predefined compiler and/or
* platform macros.
*/
#if defined(__BORLANDC__) && __BORLANDC__ >= 0x560
# define __LA_STDINT_H <stdint.h>
#elif !defined(__WATCOMC__) && !defined(_MSC_VER) && !defined(__INTERIX) && !defined(__BORLANDC__)
# define __LA_STDINT_H <inttypes.h>
#endif
#include <sys/stat.h>
#include <sys/types.h> /* Linux requires this for off_t */
#ifdef __LA_STDINT_H
# include __LA_STDINT_H /* int64_t, etc. */
#endif
#include <stdio.h> /* For FILE * */
/* Get appropriate definitions of standard POSIX-style types. */
/* These should match the types used in 'struct stat' */
#if defined(_WIN32) && !defined(__CYGWIN__)
#define __LA_INT64_T __int64
# if defined(_SSIZE_T_DEFINED) || defined(_SSIZE_T_)
# define __LA_SSIZE_T ssize_t
# elif defined(_WIN64)
# define __LA_SSIZE_T __int64
# else
# define __LA_SSIZE_T long
# endif
# if defined(__BORLANDC__)
# define __LA_UID_T uid_t
# define __LA_GID_T gid_t
# else
# define __LA_UID_T short
# define __LA_GID_T short
# endif
#else
#include <unistd.h> /* ssize_t, uid_t, and gid_t */
#define __LA_INT64_T int64_t
#define __LA_SSIZE_T ssize_t
#define __LA_UID_T uid_t
#define __LA_GID_T gid_t
#endif
/*
* On Windows, define LIBARCHIVE_STATIC if you're building or using a
* .lib. The default here assumes you're building a DLL. Only
* libarchive source should ever define __LIBARCHIVE_BUILD.
*/
#if ((defined __WIN32__) || (defined _WIN32) || defined(__CYGWIN__)) && (!defined LIBARCHIVE_STATIC)
# ifdef __LIBARCHIVE_BUILD
# ifdef __GNUC__
# define __LA_DECL __attribute__((dllexport)) extern
# else
# define __LA_DECL __declspec(dllexport)
# endif
# else
# ifdef __GNUC__
# define __LA_DECL __attribute__((dllimport)) extern
# else
# define __LA_DECL __declspec(dllimport)
# endif
# endif
#else
/* Static libraries or non-Windows needs no special declaration. */
# define __LA_DECL
#endif
#if defined(__GNUC__) && __GNUC__ >= 3
#define __LA_PRINTF(fmtarg, firstvararg) \
__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
#else
#define __LA_PRINTF(fmtarg, firstvararg) /* nothing */
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* The version number is provided as both a macro and a function.
* The macro identifies the installed header; the function identifies
* the library version (which may not be the same if you're using a
* dynamically-linked version of the library). Of course, if the
* header and library are very different, you should expect some
* strangeness. Don't do that.
*/
/*
* The version number is expressed as a single integer that makes it
* easy to compare versions at build time: for version a.b.c, the
* version number is printf("%d%03d%03d",a,b,c). For example, if you
* know your application requires version 2.12.108 or later, you can
* assert that ARCHIVE_VERSION >= 2012108.
*
* This single-number format was introduced with libarchive 1.9.0 in
* the libarchive 1.x family and libarchive 2.2.4 in the libarchive
* 2.x family. The following may be useful if you really want to do
* feature detection for earlier libarchive versions (which defined
* ARCHIVE_API_VERSION and ARCHIVE_API_FEATURE instead):
*
* #ifndef ARCHIVE_VERSION_NUMBER
* #define ARCHIVE_VERSION_NUMBER \
* (ARCHIVE_API_VERSION * 1000000 + ARCHIVE_API_FEATURE * 1000)
* #endif
*/
#define ARCHIVE_VERSION_NUMBER 2008005
__LA_DECL int archive_version_number(void);
/*
* Textual name/version of the library, useful for version displays.
*/
#define ARCHIVE_VERSION_STRING "libarchive 2.8.5"
__LA_DECL const char * archive_version_string(void);
#if ARCHIVE_VERSION_NUMBER < 3000000
/*
* Deprecated; these are older names that will be removed in favor of
* the simpler definitions above.
*/
#define ARCHIVE_VERSION_STAMP ARCHIVE_VERSION_NUMBER
__LA_DECL int archive_version_stamp(void);
#define ARCHIVE_LIBRARY_VERSION ARCHIVE_VERSION_STRING
__LA_DECL const char * archive_version(void);
#define ARCHIVE_API_VERSION (ARCHIVE_VERSION_NUMBER / 1000000)
__LA_DECL int archive_api_version(void);
#define ARCHIVE_API_FEATURE ((ARCHIVE_VERSION_NUMBER / 1000) % 1000)
__LA_DECL int archive_api_feature(void);
#endif
#if ARCHIVE_VERSION_NUMBER < 3000000
/* This should never have been here in the first place. */
/* Legacy of old tar assumptions, will be removed in libarchive 3.0. */
#define ARCHIVE_BYTES_PER_RECORD 512
#define ARCHIVE_DEFAULT_BYTES_PER_BLOCK 10240
#endif
/* Declare our basic types. */
struct archive;
struct archive_entry;
/*
* Error codes: Use archive_errno() and archive_error_string()
* to retrieve details. Unless specified otherwise, all functions
* that return 'int' use these codes.
*/
#define ARCHIVE_EOF 1 /* Found end of archive. */
#define ARCHIVE_OK 0 /* Operation was successful. */
#define ARCHIVE_RETRY (-10) /* Retry might succeed. */
#define ARCHIVE_WARN (-20) /* Partial success. */
/* For example, if write_header "fails", then you can't push data. */
#define ARCHIVE_FAILED (-25) /* Current operation cannot complete. */
/* But if write_header is "fatal," then this archive is dead and useless. */
#define ARCHIVE_FATAL (-30) /* No more operations are possible. */
/*
* As far as possible, archive_errno returns standard platform errno codes.
* Of course, the details vary by platform, so the actual definitions
* here are stored in "archive_platform.h". The symbols are listed here
* for reference; as a rule, clients should not need to know the exact
* platform-dependent error code.
*/
/* Unrecognized or invalid file format. */
/* #define ARCHIVE_ERRNO_FILE_FORMAT */
/* Illegal usage of the library. */
/* #define ARCHIVE_ERRNO_PROGRAMMER_ERROR */
/* Unknown or unclassified error. */
/* #define ARCHIVE_ERRNO_MISC */
/*
* Callbacks are invoked to automatically read/skip/write/open/close the
* archive. You can provide your own for complex tasks (like breaking
* archives across multiple tapes) or use standard ones built into the
* library.
*/
/* Returns pointer and size of next block of data from archive. */
typedef __LA_SSIZE_T archive_read_callback(struct archive *,
void *_client_data, const void **_buffer);
/* Skips at most request bytes from archive and returns the skipped amount */
#if ARCHIVE_VERSION_NUMBER < 2000000
/* Libarchive 1.0 used ssize_t for the return, which is only 32 bits
* on most 32-bit platforms; not large enough. */
typedef __LA_SSIZE_T archive_skip_callback(struct archive *,
void *_client_data, size_t request);
#elif ARCHIVE_VERSION_NUMBER < 3000000
/* Libarchive 2.0 used off_t here, but that is a bad idea on Linux and a
* few other platforms where off_t varies with build settings. */
typedef off_t archive_skip_callback(struct archive *,
void *_client_data, off_t request);
#else
/* Libarchive 3.0 uses int64_t here, which is actually guaranteed to be
* 64 bits on every platform. */
typedef __LA_INT64_T archive_skip_callback(struct archive *,
void *_client_data, __LA_INT64_T request);
#endif
/* Returns size actually written, zero on EOF, -1 on error. */
typedef __LA_SSIZE_T archive_write_callback(struct archive *,
void *_client_data,
const void *_buffer, size_t _length);
#if ARCHIVE_VERSION_NUMBER < 3000000
/* Open callback is actually never needed; remove it in libarchive 3.0. */
typedef int archive_open_callback(struct archive *, void *_client_data);
#endif
typedef int archive_close_callback(struct archive *, void *_client_data);
/*
* Codes for archive_compression.
*/
#define ARCHIVE_COMPRESSION_NONE 0
#define ARCHIVE_COMPRESSION_GZIP 1
#define ARCHIVE_COMPRESSION_BZIP2 2
#define ARCHIVE_COMPRESSION_COMPRESS 3
#define ARCHIVE_COMPRESSION_PROGRAM 4
#define ARCHIVE_COMPRESSION_LZMA 5
#define ARCHIVE_COMPRESSION_XZ 6
#define ARCHIVE_COMPRESSION_UU 7
#define ARCHIVE_COMPRESSION_RPM 8
/*
* Codes returned by archive_format.
*
* Top 16 bits identifies the format family (e.g., "tar"); lower
* 16 bits indicate the variant. This is updated by read_next_header.
* Note that the lower 16 bits will often vary from entry to entry.
* In some cases, this variation occurs as libarchive learns more about
* the archive (for example, later entries might utilize extensions that
* weren't necessary earlier in the archive; in this case, libarchive
* will change the format code to indicate the extended format that
* was used). In other cases, it's because different tools have
* modified the archive and so different parts of the archive
* actually have slightly different formts. (Both tar and cpio store
* format codes in each entry, so it is quite possible for each
* entry to be in a different format.)
*/
#define ARCHIVE_FORMAT_BASE_MASK 0xff0000
#define ARCHIVE_FORMAT_CPIO 0x10000
#define ARCHIVE_FORMAT_CPIO_POSIX (ARCHIVE_FORMAT_CPIO | 1)
#define ARCHIVE_FORMAT_CPIO_BIN_LE (ARCHIVE_FORMAT_CPIO | 2)
#define ARCHIVE_FORMAT_CPIO_BIN_BE (ARCHIVE_FORMAT_CPIO | 3)
#define ARCHIVE_FORMAT_CPIO_SVR4_NOCRC (ARCHIVE_FORMAT_CPIO | 4)
#define ARCHIVE_FORMAT_CPIO_SVR4_CRC (ARCHIVE_FORMAT_CPIO | 5)
#define ARCHIVE_FORMAT_SHAR 0x20000
#define ARCHIVE_FORMAT_SHAR_BASE (ARCHIVE_FORMAT_SHAR | 1)
#define ARCHIVE_FORMAT_SHAR_DUMP (ARCHIVE_FORMAT_SHAR | 2)
#define ARCHIVE_FORMAT_TAR 0x30000
#define ARCHIVE_FORMAT_TAR_USTAR (ARCHIVE_FORMAT_TAR | 1)
#define ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE (ARCHIVE_FORMAT_TAR | 2)
#define ARCHIVE_FORMAT_TAR_PAX_RESTRICTED (ARCHIVE_FORMAT_TAR | 3)
#define ARCHIVE_FORMAT_TAR_GNUTAR (ARCHIVE_FORMAT_TAR | 4)
#define ARCHIVE_FORMAT_ISO9660 0x40000
#define ARCHIVE_FORMAT_ISO9660_ROCKRIDGE (ARCHIVE_FORMAT_ISO9660 | 1)
#define ARCHIVE_FORMAT_ZIP 0x50000
#define ARCHIVE_FORMAT_EMPTY 0x60000
#define ARCHIVE_FORMAT_AR 0x70000
#define ARCHIVE_FORMAT_AR_GNU (ARCHIVE_FORMAT_AR | 1)
#define ARCHIVE_FORMAT_AR_BSD (ARCHIVE_FORMAT_AR | 2)
#define ARCHIVE_FORMAT_MTREE 0x80000
#define ARCHIVE_FORMAT_RAW 0x90000
#define ARCHIVE_FORMAT_XAR 0xA0000
/*-
* Basic outline for reading an archive:
* 1) Ask archive_read_new for an archive reader object.
* 2) Update any global properties as appropriate.
* In particular, you'll certainly want to call appropriate
* archive_read_support_XXX functions.
* 3) Call archive_read_open_XXX to open the archive
* 4) Repeatedly call archive_read_next_header to get information about
* successive archive entries. Call archive_read_data to extract
* data for entries of interest.
* 5) Call archive_read_finish to end processing.
*/
__LA_DECL struct archive *archive_read_new(void);
/*
* The archive_read_support_XXX calls enable auto-detect for this
* archive handle. They also link in the necessary support code.
* For example, if you don't want bzlib linked in, don't invoke
* support_compression_bzip2(). The "all" functions provide the
* obvious shorthand.
*/
__LA_DECL int archive_read_support_compression_all(struct archive *);
__LA_DECL int archive_read_support_compression_bzip2(struct archive *);
__LA_DECL int archive_read_support_compression_compress(struct archive *);
__LA_DECL int archive_read_support_compression_gzip(struct archive *);
__LA_DECL int archive_read_support_compression_lzma(struct archive *);
__LA_DECL int archive_read_support_compression_none(struct archive *);
__LA_DECL int archive_read_support_compression_program(struct archive *,
const char *command);
__LA_DECL int archive_read_support_compression_program_signature
(struct archive *, const char *,
const void * /* match */, size_t);
__LA_DECL int archive_read_support_compression_rpm(struct archive *);
__LA_DECL int archive_read_support_compression_uu(struct archive *);
__LA_DECL int archive_read_support_compression_xz(struct archive *);
__LA_DECL int archive_read_support_format_all(struct archive *);
__LA_DECL int archive_read_support_format_ar(struct archive *);
__LA_DECL int archive_read_support_format_cpio(struct archive *);
__LA_DECL int archive_read_support_format_empty(struct archive *);
__LA_DECL int archive_read_support_format_gnutar(struct archive *);
__LA_DECL int archive_read_support_format_iso9660(struct archive *);
__LA_DECL int archive_read_support_format_mtree(struct archive *);
__LA_DECL int archive_read_support_format_raw(struct archive *);
__LA_DECL int archive_read_support_format_tar(struct archive *);
__LA_DECL int archive_read_support_format_xar(struct archive *);
__LA_DECL int archive_read_support_format_zip(struct archive *);
/* Open the archive using callbacks for archive I/O. */
__LA_DECL int archive_read_open(struct archive *, void *_client_data,
archive_open_callback *, archive_read_callback *,
archive_close_callback *);
__LA_DECL int archive_read_open2(struct archive *, void *_client_data,
archive_open_callback *, archive_read_callback *,
archive_skip_callback *, archive_close_callback *);
/*
* A variety of shortcuts that invoke archive_read_open() with
* canned callbacks suitable for common situations. The ones that
* accept a block size handle tape blocking correctly.
*/
/* Use this if you know the filename. Note: NULL indicates stdin. */
__LA_DECL int archive_read_open_filename(struct archive *,
const char *_filename, size_t _block_size);
/* archive_read_open_file() is a deprecated synonym for ..._open_filename(). */
__LA_DECL int archive_read_open_file(struct archive *,
const char *_filename, size_t _block_size);
/* Read an archive that's stored in memory. */
__LA_DECL int archive_read_open_memory(struct archive *,
void * buff, size_t size);
/* A more involved version that is only used for internal testing. */
__LA_DECL int archive_read_open_memory2(struct archive *a, void *buff,
size_t size, size_t read_size);
/* Read an archive that's already open, using the file descriptor. */
__LA_DECL int archive_read_open_fd(struct archive *, int _fd,
size_t _block_size);
/* Read an archive that's already open, using a FILE *. */
/* Note: DO NOT use this with tape drives. */
__LA_DECL int archive_read_open_FILE(struct archive *, FILE *_file);
/* Parses and returns next entry header. */
__LA_DECL int archive_read_next_header(struct archive *,
struct archive_entry **);
/* Parses and returns next entry header using the archive_entry passed in */
__LA_DECL int archive_read_next_header2(struct archive *,
struct archive_entry *);
/*
* Retrieve the byte offset in UNCOMPRESSED data where last-read
* header started.
*/
__LA_DECL __LA_INT64_T archive_read_header_position(struct archive *);
/* Read data from the body of an entry. Similar to read(2). */
__LA_DECL __LA_SSIZE_T archive_read_data(struct archive *,
void *, size_t);
/*
* A zero-copy version of archive_read_data that also exposes the file offset
* of each returned block. Note that the client has no way to specify
* the desired size of the block. The API does guarantee that offsets will
* be strictly increasing and that returned blocks will not overlap.
*/
#if ARCHIVE_VERSION_NUMBER < 3000000
__LA_DECL int archive_read_data_block(struct archive *a,
const void **buff, size_t *size, off_t *offset);
#else
__LA_DECL int archive_read_data_block(struct archive *a,
const void **buff, size_t *size,
__LA_INT64_T *offset);
#endif
/*-
* Some convenience functions that are built on archive_read_data:
* 'skip': skips entire entry
* 'into_buffer': writes data into memory buffer that you provide
* 'into_fd': writes data to specified filedes
*/
__LA_DECL int archive_read_data_skip(struct archive *);
__LA_DECL int archive_read_data_into_buffer(struct archive *,
void *buffer, __LA_SSIZE_T len);
__LA_DECL int archive_read_data_into_fd(struct archive *, int fd);
/*
* Set read options.
*/
/* Apply option string to the format only. */
__LA_DECL int archive_read_set_format_options(struct archive *_a,
const char *s);
/* Apply option string to the filter only. */
__LA_DECL int archive_read_set_filter_options(struct archive *_a,
const char *s);
/* Apply option string to both the format and the filter. */
__LA_DECL int archive_read_set_options(struct archive *_a,
const char *s);
/*-
* Convenience function to recreate the current entry (whose header
* has just been read) on disk.
*
* This does quite a bit more than just copy data to disk. It also:
* - Creates intermediate directories as required.
* - Manages directory permissions: non-writable directories will
* be initially created with write permission enabled; when the
* archive is closed, dir permissions are edited to the values specified
* in the archive.
* - Checks hardlinks: hardlinks will not be extracted unless the
* linked-to file was also extracted within the same session. (TODO)
*/
/* The "flags" argument selects optional behavior, 'OR' the flags you want. */
/* Default: Do not try to set owner/group. */
#define ARCHIVE_EXTRACT_OWNER (0x0001)
/* Default: Do obey umask, do not restore SUID/SGID/SVTX bits. */
#define ARCHIVE_EXTRACT_PERM (0x0002)
/* Default: Do not restore mtime/atime. */
#define ARCHIVE_EXTRACT_TIME (0x0004)
/* Default: Replace existing files. */
#define ARCHIVE_EXTRACT_NO_OVERWRITE (0x0008)
/* Default: Try create first, unlink only if create fails with EEXIST. */
#define ARCHIVE_EXTRACT_UNLINK (0x0010)
/* Default: Do not restore ACLs. */
#define ARCHIVE_EXTRACT_ACL (0x0020)
/* Default: Do not restore fflags. */
#define ARCHIVE_EXTRACT_FFLAGS (0x0040)
/* Default: Do not restore xattrs. */
#define ARCHIVE_EXTRACT_XATTR (0x0080)
/* Default: Do not try to guard against extracts redirected by symlinks. */
/* Note: With ARCHIVE_EXTRACT_UNLINK, will remove any intermediate symlink. */
#define ARCHIVE_EXTRACT_SECURE_SYMLINKS (0x0100)
/* Default: Do not reject entries with '..' as path elements. */
#define ARCHIVE_EXTRACT_SECURE_NODOTDOT (0x0200)
/* Default: Create parent directories as needed. */
#define ARCHIVE_EXTRACT_NO_AUTODIR (0x0400)
/* Default: Overwrite files, even if one on disk is newer. */
#define ARCHIVE_EXTRACT_NO_OVERWRITE_NEWER (0x0800)
/* Detect blocks of 0 and write holes instead. */
#define ARCHIVE_EXTRACT_SPARSE (0x1000)
__LA_DECL int archive_read_extract(struct archive *, struct archive_entry *,
int flags);
__LA_DECL int archive_read_extract2(struct archive *, struct archive_entry *,
struct archive * /* dest */);
__LA_DECL void archive_read_extract_set_progress_callback(struct archive *,
void (*_progress_func)(void *), void *_user_data);
/* Record the dev/ino of a file that will not be written. This is
* generally set to the dev/ino of the archive being read. */
__LA_DECL void archive_read_extract_set_skip_file(struct archive *,
dev_t, ino_t);
/* Close the file and release most resources. */
__LA_DECL int archive_read_close(struct archive *);
/* Release all resources and destroy the object. */
/* Note that archive_read_free will call archive_read_close for you. */
__LA_DECL int archive_read_free(struct archive *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Synonym for archive_read_free() for backwards compatibility. */
__LA_DECL int archive_read_finish(struct archive *);
#endif
/*-
* To create an archive:
* 1) Ask archive_write_new for a archive writer object.
* 2) Set any global properties. In particular, you should set
* the compression and format to use.
* 3) Call archive_write_open to open the file (most people
* will use archive_write_open_file or archive_write_open_fd,
* which provide convenient canned I/O callbacks for you).
* 4) For each entry:
* - construct an appropriate struct archive_entry structure
* - archive_write_header to write the header
* - archive_write_data to write the entry data
* 5) archive_write_close to close the output
* 6) archive_write_free to cleanup the writer and release resources
*/
__LA_DECL struct archive *archive_write_new(void);
__LA_DECL int archive_write_set_bytes_per_block(struct archive *,
int bytes_per_block);
__LA_DECL int archive_write_get_bytes_per_block(struct archive *);
/* XXX This is badly misnamed; suggestions appreciated. XXX */
__LA_DECL int archive_write_set_bytes_in_last_block(struct archive *,
int bytes_in_last_block);
__LA_DECL int archive_write_get_bytes_in_last_block(struct archive *);
/* The dev/ino of a file that won't be archived. This is used
* to avoid recursively adding an archive to itself. */
__LA_DECL int archive_write_set_skip_file(struct archive *, dev_t, ino_t);
__LA_DECL int archive_write_set_compression_bzip2(struct archive *);
__LA_DECL int archive_write_set_compression_compress(struct archive *);
__LA_DECL int archive_write_set_compression_gzip(struct archive *);
__LA_DECL int archive_write_set_compression_lzma(struct archive *);
__LA_DECL int archive_write_set_compression_none(struct archive *);
__LA_DECL int archive_write_set_compression_program(struct archive *,
const char *cmd);
__LA_DECL int archive_write_set_compression_xz(struct archive *);
/* A convenience function to set the format based on the code or name. */
__LA_DECL int archive_write_set_format(struct archive *, int format_code);
__LA_DECL int archive_write_set_format_by_name(struct archive *,
const char *name);
/* To minimize link pollution, use one or more of the following. */
__LA_DECL int archive_write_set_format_ar_bsd(struct archive *);
__LA_DECL int archive_write_set_format_ar_svr4(struct archive *);
__LA_DECL int archive_write_set_format_cpio(struct archive *);
__LA_DECL int archive_write_set_format_cpio_newc(struct archive *);
__LA_DECL int archive_write_set_format_mtree(struct archive *);
/* TODO: int archive_write_set_format_old_tar(struct archive *); */
__LA_DECL int archive_write_set_format_pax(struct archive *);
__LA_DECL int archive_write_set_format_pax_restricted(struct archive *);
__LA_DECL int archive_write_set_format_shar(struct archive *);
__LA_DECL int archive_write_set_format_shar_dump(struct archive *);
__LA_DECL int archive_write_set_format_ustar(struct archive *);
__LA_DECL int archive_write_set_format_zip(struct archive *);
__LA_DECL int archive_write_open(struct archive *, void *,
archive_open_callback *, archive_write_callback *,
archive_close_callback *);
__LA_DECL int archive_write_open_fd(struct archive *, int _fd);
__LA_DECL int archive_write_open_filename(struct archive *, const char *_file);
/* A deprecated synonym for archive_write_open_filename() */
__LA_DECL int archive_write_open_file(struct archive *, const char *_file);
__LA_DECL int archive_write_open_FILE(struct archive *, FILE *);
/* _buffSize is the size of the buffer, _used refers to a variable that
* will be updated after each write into the buffer. */
__LA_DECL int archive_write_open_memory(struct archive *,
void *_buffer, size_t _buffSize, size_t *_used);
/*
* Note that the library will truncate writes beyond the size provided
* to archive_write_header or pad if the provided data is short.
*/
__LA_DECL int archive_write_header(struct archive *,
struct archive_entry *);
#if ARCHIVE_VERSION_NUMBER < 2000000
/* This was erroneously declared to return "int" in libarchive 1.x. */
__LA_DECL int archive_write_data(struct archive *,
const void *, size_t);
#else
/* Libarchive 2.0 and later return ssize_t here. */
__LA_DECL __LA_SSIZE_T archive_write_data(struct archive *,
const void *, size_t);
#endif
#if ARCHIVE_VERSION_NUMBER < 3000000
/* Libarchive 1.x and 2.x use off_t for the argument, but that's not
* stable on Linux. */
__LA_DECL __LA_SSIZE_T archive_write_data_block(struct archive *,
const void *, size_t, off_t);
#else
/* Libarchive 3.0 uses explicit int64_t to ensure consistent 64-bit support. */
__LA_DECL __LA_SSIZE_T archive_write_data_block(struct archive *,
const void *, size_t, __LA_INT64_T);
#endif
__LA_DECL int archive_write_finish_entry(struct archive *);
__LA_DECL int archive_write_close(struct archive *);
/* This can fail if the archive wasn't already closed, in which case
* archive_write_free() will implicitly call archive_write_close(). */
__LA_DECL int archive_write_free(struct archive *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Synonym for archive_write_free() for backwards compatibility. */
__LA_DECL int archive_write_finish(struct archive *);
#endif
/*
* Set write options.
*/
/* Apply option string to the format only. */
__LA_DECL int archive_write_set_format_options(struct archive *_a,
const char *s);
/* Apply option string to the compressor only. */
__LA_DECL int archive_write_set_compressor_options(struct archive *_a,
const char *s);
/* Apply option string to both the format and the compressor. */
__LA_DECL int archive_write_set_options(struct archive *_a,
const char *s);
/*-
* ARCHIVE_WRITE_DISK API
*
* To create objects on disk:
* 1) Ask archive_write_disk_new for a new archive_write_disk object.
* 2) Set any global properties. In particular, you probably
* want to set the options.
* 3) For each entry:
* - construct an appropriate struct archive_entry structure
* - archive_write_header to create the file/dir/etc on disk
* - archive_write_data to write the entry data
* 4) archive_write_free to cleanup the writer and release resources
*
* In particular, you can use this in conjunction with archive_read()
* to pull entries out of an archive and create them on disk.
*/
__LA_DECL struct archive *archive_write_disk_new(void);
/* This file will not be overwritten. */
__LA_DECL int archive_write_disk_set_skip_file(struct archive *,
dev_t, ino_t);
/* Set flags to control how the next item gets created.
* This accepts a bitmask of ARCHIVE_EXTRACT_XXX flags defined above. */
__LA_DECL int archive_write_disk_set_options(struct archive *,
int flags);
/*
* The lookup functions are given uname/uid (or gname/gid) pairs and
* return a uid (gid) suitable for this system. These are used for
* restoring ownership and for setting ACLs. The default functions
* are naive, they just return the uid/gid. These are small, so reasonable
* for applications that don't need to preserve ownership; they
* are probably also appropriate for applications that are doing
* same-system backup and restore.
*/
/*
* The "standard" lookup functions use common system calls to lookup
* the uname/gname, falling back to the uid/gid if the names can't be
* found. They cache lookups and are reasonably fast, but can be very
* large, so they are not used unless you ask for them. In
* particular, these match the specifications of POSIX "pax" and old
* POSIX "tar".
*/
__LA_DECL int archive_write_disk_set_standard_lookup(struct archive *);
/*
* If neither the default (naive) nor the standard (big) functions suit
* your needs, you can write your own and register them. Be sure to
* include a cleanup function if you have allocated private data.
*/
__LA_DECL int archive_write_disk_set_group_lookup(struct archive *,
void * /* private_data */,
__LA_GID_T (*)(void *, const char *, __LA_GID_T),
void (* /* cleanup */)(void *));
__LA_DECL int archive_write_disk_set_user_lookup(struct archive *,
void * /* private_data */,
__LA_UID_T (*)(void *, const char *, __LA_UID_T),
void (* /* cleanup */)(void *));
/*
* ARCHIVE_READ_DISK API
*
* This is still evolving and somewhat experimental.
*/
__LA_DECL struct archive *archive_read_disk_new(void);
/* The names for symlink modes here correspond to an old BSD
* command-line argument convention: -L, -P, -H */
/* Follow all symlinks. */
__LA_DECL int archive_read_disk_set_symlink_logical(struct archive *);
/* Follow no symlinks. */
__LA_DECL int archive_read_disk_set_symlink_physical(struct archive *);
/* Follow symlink initially, then not. */
__LA_DECL int archive_read_disk_set_symlink_hybrid(struct archive *);
/* TODO: Handle Linux stat32/stat64 ugliness. <sigh> */
__LA_DECL int archive_read_disk_entry_from_file(struct archive *,
struct archive_entry *, int /* fd */, const struct stat *);
/* Look up gname for gid or uname for uid. */
/* Default implementations are very, very stupid. */
__LA_DECL const char *archive_read_disk_gname(struct archive *, __LA_GID_T);
__LA_DECL const char *archive_read_disk_uname(struct archive *, __LA_UID_T);
/* "Standard" implementation uses getpwuid_r, getgrgid_r and caches the
* results for performance. */
__LA_DECL int archive_read_disk_set_standard_lookup(struct archive *);
/* You can install your own lookups if you like. */
__LA_DECL int archive_read_disk_set_gname_lookup(struct archive *,
void * /* private_data */,
const char *(* /* lookup_fn */)(void *, __LA_GID_T),
void (* /* cleanup_fn */)(void *));
__LA_DECL int archive_read_disk_set_uname_lookup(struct archive *,
void * /* private_data */,
const char *(* /* lookup_fn */)(void *, __LA_UID_T),
void (* /* cleanup_fn */)(void *));
/*
* Accessor functions to read/set various information in
* the struct archive object:
*/
/* Bytes written after compression or read before decompression. */
__LA_DECL __LA_INT64_T archive_position_compressed(struct archive *);
/* Bytes written to compressor or read from decompressor. */
__LA_DECL __LA_INT64_T archive_position_uncompressed(struct archive *);
__LA_DECL const char *archive_compression_name(struct archive *);
__LA_DECL int archive_compression(struct archive *);
__LA_DECL int archive_errno(struct archive *);
__LA_DECL const char *archive_error_string(struct archive *);
__LA_DECL const char *archive_format_name(struct archive *);
__LA_DECL int archive_format(struct archive *);
__LA_DECL void archive_clear_error(struct archive *);
__LA_DECL void archive_set_error(struct archive *, int _err,
const char *fmt, ...) __LA_PRINTF(3, 4);
__LA_DECL void archive_copy_error(struct archive *dest,
struct archive *src);
__LA_DECL int archive_file_count(struct archive *);
#ifdef __cplusplus
}
#endif
/* These are meaningless outside of this header. */
#undef __LA_DECL
#undef __LA_GID_T
#undef __LA_UID_T
/* These need to remain defined because they're used in the
* callback type definitions. XXX Fix this. This is ugly. XXX */
/* #undef __LA_INT64_T */
/* #undef __LA_SSIZE_T */
#endif /* !ARCHIVE_H_INCLUDED */