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586 lines
22 KiB
C
586 lines
22 KiB
C
#ifndef _HAD_ZIPINT_H
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#define _HAD_ZIPINT_H
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/*
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zipint.h -- internal declarations.
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Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
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This file is part of libzip, a library to manipulate ZIP archives.
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The authors can be contacted at <libzip@nih.at>
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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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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. The names of the authors may not be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef PHP_WIN32
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# include "php_zip_config.w32.h"
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#else
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# include "config.h"
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#endif
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/* to have *_MAX definitions for all types when compiling with g++ */
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#define __STDC_LIMIT_MACROS
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#include <zlib.h>
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#ifdef PHP_WIN32
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/* for dup(), close(), etc. */
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#include <io.h>
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#include "config.w32.h"
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#endif
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#ifndef _ZIP_COMPILING_DEPRECATED
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#define ZIP_DISABLE_DEPRECATED
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#endif
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#include "zip.h"
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#ifdef HAVE_STDBOOL_H
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#include <stdbool.h>
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#else
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typedef char bool;
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#define true 1
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#define false 0
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#endif
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#include <errno.h>
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/* at least MinGW does not provide EOPNOTSUPP, see
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* http://sourceforge.net/p/mingw/bugs/263/
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*/
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#ifndef EOPNOTSUPP
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#define EOPNOTSUPP EINVAL
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#endif
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/* at least MinGW does not provide EOVERFLOW, see
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* http://sourceforge.net/p/mingw/bugs/242/
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*/
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#ifndef EOVERFLOW
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#define EOVERFLOW EFBIG
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#endif
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#ifdef _WIN32
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#if defined(HAVE__CLOSE)
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#define close _close
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#endif
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#if defined(HAVE__DUP)
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#define dup _dup
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#endif
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/* crashes reported when using fdopen instead of _fdopen on Windows/Visual Studio 10/Win64 */
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#if defined(HAVE__FDOPEN)
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#define fdopen _fdopen
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#endif
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#if !defined(HAVE_FILENO) && defined(HAVE__FILENO)
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#define fileno _fileno
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#endif
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/* Windows' open() doesn't understand Unix permissions */
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#if defined(HAVE__OPEN)
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#define open(a, b, c) _open((a), (b))
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#endif
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#if defined(HAVE__SNPRINTF)
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#define snprintf _snprintf
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#endif
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#if defined(HAVE__STRDUP)
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#if !defined(HAVE_STRDUP) || defined(_WIN32)
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#undef strdup
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#define strdup _strdup
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#endif
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#endif
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#if !defined(HAVE__SETMODE) && defined(HAVE_SETMODE)
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#define _setmode setmode
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#endif
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#endif
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#ifndef HAVE_FSEEKO
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#define fseeko(s, o, w) (fseek((s), (long int)(o), (w)))
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#endif
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#ifndef HAVE_FTELLO
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#define ftello(s) ((long)ftell((s)))
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#endif
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#ifndef HAVE_MKSTEMP
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int _zip_mkstemp(char *);
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#define mkstemp _zip_mkstemp
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#endif
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#if !defined(HAVE_STRCASECMP)
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#if defined(HAVE__STRICMP)
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#define strcasecmp _stricmp
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#elif defined(HAVE_STRICMP)
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#define strcasecmp stricmp
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#endif
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#endif
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#if SIZEOF_OFF_T == 8
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#define ZIP_OFF_MAX ZIP_INT64_MAX
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#define ZIP_OFF_MIN ZIP_INT64_MIN
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#elif SIZEOF_OFF_T == 4
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#define ZIP_OFF_MAX ZIP_INT32_MAX
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#define ZIP_OFF_MIN ZIP_INT32_MIN
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#elif SIZEOF_OFF_T == 2
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#define ZIP_OFF_MAX ZIP_INT16_MAX
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#define ZIP_OFF_MIN ZIP_INT16_MIN
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#else
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#error unsupported size of off_t
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#endif
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#if defined(HAVE_FTELLO) && defined(HAVE_FSEEKO)
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#define ZIP_FSEEK_MAX ZIP_OFF_MAX
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#define ZIP_FSEEK_MIN ZIP_OFF_MIN
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#else
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#include <limits.h>
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#define ZIP_FSEEK_MAX LONG_MAX
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#define ZIP_FSEEK_MIN LONG_MIN
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#endif
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#ifndef SIZE_MAX
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#if SIZEOF_SIZE_T == 8
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#define SIZE_MAX ZIP_INT64_MAX
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#elif SIZEOF_SIZE_T == 4
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#define SIZE_MAX ZIP_INT32_MAX
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#elif SIZEOF_SIZE_T == 2
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#define SIZE_MAX ZIP_INT16_MAX
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#else
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#error unsupported size of size_t
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#endif
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#endif
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#define CENTRAL_MAGIC "PK\1\2"
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#define LOCAL_MAGIC "PK\3\4"
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#define EOCD_MAGIC "PK\5\6"
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#define DATADES_MAGIC "PK\7\8"
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#define EOCD64LOC_MAGIC "PK\6\7"
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#define EOCD64_MAGIC "PK\6\6"
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#define CDENTRYSIZE 46u
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#define LENTRYSIZE 30
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#define MAXCOMLEN 65536
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#define MAXEXTLEN 65536
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#define EOCDLEN 22
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#define EOCD64LOCLEN 20
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#define EOCD64LEN 56
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#define CDBUFSIZE (MAXCOMLEN+EOCDLEN+EOCD64LOCLEN)
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#define BUFSIZE 8192
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#define EFZIP64SIZE 28
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#define ZIP_CM_REPLACED_DEFAULT (-2)
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#define ZIP_CM_IS_DEFAULT(x) ((x) == ZIP_CM_DEFAULT || (x) == ZIP_CM_REPLACED_DEFAULT)
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#define ZIP_EF_UTF_8_COMMENT 0x6375
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#define ZIP_EF_UTF_8_NAME 0x7075
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#define ZIP_EF_ZIP64 0x0001
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#define ZIP_EF_IS_INTERNAL(id) ((id) == ZIP_EF_UTF_8_COMMENT || (id) == ZIP_EF_UTF_8_NAME || (id) == ZIP_EF_ZIP64)
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/* according to unzip-6.0's zipinfo.c, this corresponds to a regular file with rw permissions for everyone */
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#define ZIP_EXT_ATTRIB_DEFAULT (0100666u<<16)
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/* according to unzip-6.0's zipinfo.c, this corresponds to a directory with rwx permissions for everyone */
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#define ZIP_EXT_ATTRIB_DEFAULT_DIR (0040777u<<16)
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#define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b))
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#define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b))
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/* This section contains API that won't materialize like this. It's
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placed in the internal section, pending cleanup. */
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/* flags for compression and encryption sources */
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#define ZIP_CODEC_DECODE 0 /* decompress/decrypt (encode flag not set) */
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#define ZIP_CODEC_ENCODE 1 /* compress/encrypt */
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typedef zip_source_t *(*zip_compression_implementation)(zip_t *, zip_source_t *, zip_int32_t, int);
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typedef zip_source_t *(*zip_encryption_implementation)(zip_t *, zip_source_t *, zip_uint16_t, int, const char *);
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zip_compression_implementation _zip_get_compression_implementation(zip_int32_t);
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zip_encryption_implementation _zip_get_encryption_implementation(zip_uint16_t);
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/* This API is not final yet, but we need it internally, so it's private for now. */
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const zip_uint8_t *zip_get_extra_field_by_id(zip_t *, int, int, zip_uint16_t, int, zip_uint16_t *);
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/* This section contains API that is of limited use until support for
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user-supplied compression/encryption implementation is finished.
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Thus we will keep it private for now. */
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typedef zip_int64_t (*zip_source_layered_callback)(zip_source_t *, void *, void *, zip_uint64_t, enum zip_source_cmd);
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zip_source_t *zip_source_crc(zip_t *, zip_source_t *, int);
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zip_source_t *zip_source_deflate(zip_t *, zip_source_t *, zip_int32_t, int);
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zip_source_t *zip_source_layered(zip_t *, zip_source_t *, zip_source_layered_callback, void *);
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zip_source_t *zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error);
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zip_source_t *zip_source_pkware(zip_t *, zip_source_t *, zip_uint16_t, int, const char *);
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int zip_source_remove(zip_source_t *);
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zip_int64_t zip_source_supports(zip_source_t *src);
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zip_source_t *zip_source_window(zip_t *, zip_source_t *, zip_uint64_t, zip_uint64_t);
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/* error source for layered sources */
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enum zip_les { ZIP_LES_NONE, ZIP_LES_UPPER, ZIP_LES_LOWER, ZIP_LES_INVAL };
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/* directory entry: general purpose bit flags */
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#define ZIP_GPBF_ENCRYPTED 0x0001 /* is encrypted */
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#define ZIP_GPBF_DATA_DESCRIPTOR 0x0008 /* crc/size after file data */
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#define ZIP_GPBF_STRONG_ENCRYPTION 0x0040 /* uses strong encryption */
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#define ZIP_GPBF_ENCODING_UTF_8 0x0800 /* file name encoding is UTF-8 */
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/* extra fields */
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#define ZIP_EF_LOCAL ZIP_FL_LOCAL /* include in local header */
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#define ZIP_EF_CENTRAL ZIP_FL_CENTRAL /* include in central directory */
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#define ZIP_EF_BOTH (ZIP_EF_LOCAL|ZIP_EF_CENTRAL) /* include in both */
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#define ZIP_FL_FORCE_ZIP64 1024 /* force zip64 extra field (_zip_dirent_write) */
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#define ZIP_FL_ENCODING_ALL (ZIP_FL_ENC_GUESS|ZIP_FL_ENC_CP437|ZIP_FL_ENC_UTF_8)
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/* encoding type */
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enum zip_encoding_type {
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ZIP_ENCODING_UNKNOWN, /* not yet analyzed */
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ZIP_ENCODING_ASCII, /* plain ASCII */
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ZIP_ENCODING_UTF8_KNOWN, /* is UTF-8 */
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ZIP_ENCODING_UTF8_GUESSED, /* possibly UTF-8 */
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ZIP_ENCODING_CP437, /* Code Page 437 */
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ZIP_ENCODING_ERROR /* should be UTF-8 but isn't */
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};
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typedef enum zip_encoding_type zip_encoding_type_t;
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#ifndef ZIP_HASH_TABLE_SIZE
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#define ZIP_HASH_TABLE_SIZE 8192
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#endif
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struct zip_hash;
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typedef struct zip_cdir zip_cdir_t;
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typedef struct zip_dirent zip_dirent_t;
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typedef struct zip_entry zip_entry_t;
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typedef struct zip_extra_field zip_extra_field_t;
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typedef struct zip_string zip_string_t;
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typedef struct zip_buffer zip_buffer_t;
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typedef struct zip_hash zip_hash_t;
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/* zip archive, part of API */
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struct zip {
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zip_source_t *src; /* data source for archive */
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unsigned int open_flags; /* flags passed to zip_open */
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zip_error_t error; /* error information */
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unsigned int flags; /* archive global flags */
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unsigned int ch_flags; /* changed archive global flags */
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char *default_password; /* password used when no other supplied */
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zip_string_t *comment_orig; /* archive comment */
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zip_string_t *comment_changes; /* changed archive comment */
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bool comment_changed; /* whether archive comment was changed */
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zip_uint64_t nentry; /* number of entries */
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zip_uint64_t nentry_alloc; /* number of entries allocated */
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zip_entry_t *entry; /* entries */
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unsigned int nopen_source; /* number of open sources using archive */
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unsigned int nopen_source_alloc; /* number of sources allocated */
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zip_source_t **open_source; /* open sources using archive */
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zip_hash_t *names; /* hash table for name lookup */
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char *tempdir; /* custom temp dir (needed e.g. for OS X sandboxing) */
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};
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/* file in zip archive, part of API */
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struct zip_file {
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zip_t *za; /* zip archive containing this file */
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zip_error_t error; /* error information */
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bool eof;
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zip_source_t *src; /* data source */
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};
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/* zip archive directory entry (central or local) */
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#define ZIP_DIRENT_COMP_METHOD 0x0001u
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#define ZIP_DIRENT_FILENAME 0x0002u
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#define ZIP_DIRENT_COMMENT 0x0004u
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#define ZIP_DIRENT_EXTRA_FIELD 0x0008u
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#define ZIP_DIRENT_ATTRIBUTES 0x0010u
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#define ZIP_DIRENT_LAST_MOD 0x0020u
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#define ZIP_DIRENT_ALL 0xffffu
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struct zip_dirent {
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zip_uint32_t changed;
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bool local_extra_fields_read; /* whether we already read in local header extra fields */
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bool cloned; /* whether this instance is cloned, and thus shares non-changed strings */
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zip_uint16_t version_madeby; /* (c) version of creator */
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zip_uint16_t version_needed; /* (cl) version needed to extract */
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zip_uint16_t bitflags; /* (cl) general purpose bit flag */
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zip_int32_t comp_method; /* (cl) compression method used (uint16 and ZIP_CM_DEFAULT (-1)) */
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time_t last_mod; /* (cl) time of last modification */
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zip_uint32_t crc; /* (cl) CRC-32 of uncompressed data */
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zip_uint64_t comp_size; /* (cl) size of compressed data */
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zip_uint64_t uncomp_size; /* (cl) size of uncompressed data */
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zip_string_t *filename; /* (cl) file name (NUL-terminated) */
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zip_extra_field_t *extra_fields; /* (cl) extra fields, parsed */
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zip_string_t *comment; /* (c) file comment */
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zip_uint32_t disk_number; /* (c) disk number start */
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zip_uint16_t int_attrib; /* (c) internal file attributes */
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zip_uint32_t ext_attrib; /* (c) external file attributes */
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zip_uint64_t offset; /* (c) offset of local header */
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};
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/* zip archive central directory */
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struct zip_cdir {
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zip_entry_t *entry; /* directory entries */
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zip_uint64_t nentry; /* number of entries */
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zip_uint64_t nentry_alloc; /* number of entries allocated */
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zip_uint64_t size; /* size of central directory */
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zip_uint64_t offset; /* offset of central directory in file */
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zip_string_t *comment; /* zip archive comment */
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};
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struct zip_extra_field {
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zip_extra_field_t *next;
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zip_flags_t flags; /* in local/central header */
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zip_uint16_t id; /* header id */
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zip_uint16_t size; /* data size */
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zip_uint8_t *data;
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};
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enum zip_source_write_state {
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ZIP_SOURCE_WRITE_CLOSED, /* write is not in progress */
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ZIP_SOURCE_WRITE_OPEN, /* write is in progress */
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ZIP_SOURCE_WRITE_FAILED, /* commit failed, only rollback allowed */
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ZIP_SOURCE_WRITE_REMOVED /* file was removed */
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};
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typedef enum zip_source_write_state zip_source_write_state_t;
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struct zip_source {
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zip_source_t *src;
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union {
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zip_source_callback f;
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zip_source_layered_callback l;
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} cb;
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void *ud;
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zip_error_t error;
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zip_int64_t supports; /* supported commands */
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unsigned int open_count; /* number of times source was opened (directly or as lower layer) */
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zip_source_write_state_t write_state; /* whether source is open for writing */
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bool source_closed; /* set if source archive is closed */
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zip_t *source_archive; /* zip archive we're reading from, NULL if not from archive */
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unsigned int refcount;
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};
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#define ZIP_SOURCE_IS_OPEN_READING(src) ((src)->open_count > 0)
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#define ZIP_SOURCE_IS_OPEN_WRITING(src) ((src)->write_state == ZIP_SOURCE_WRITE_OPEN)
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#define ZIP_SOURCE_IS_LAYERED(src) ((src)->src != NULL)
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/* entry in zip archive directory */
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struct zip_entry {
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zip_dirent_t *orig;
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zip_dirent_t *changes;
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zip_source_t *source;
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bool deleted;
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};
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/* file or archive comment, or filename */
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struct zip_string {
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zip_uint8_t *raw; /* raw string */
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zip_uint16_t length; /* length of raw string */
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enum zip_encoding_type encoding; /* autorecognized encoding */
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zip_uint8_t *converted; /* autoconverted string */
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zip_uint32_t converted_length; /* length of converted */
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};
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/* bounds checked access to memory buffer */
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struct zip_buffer {
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bool ok;
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bool free_data;
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zip_uint8_t *data;
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zip_uint64_t size;
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zip_uint64_t offset;
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};
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/* which files to write in which order */
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struct zip_filelist {
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zip_uint64_t idx;
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/* TODO const char *name; */
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};
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typedef struct zip_filelist zip_filelist_t;
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extern const char * const _zip_err_str[];
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extern const int _zip_nerr_str;
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extern const int _zip_err_type[];
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#define ZIP_ENTRY_CHANGED(e, f) ((e)->changes && ((e)->changes->changed & (f)))
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#define ZIP_ENTRY_DATA_CHANGED(x) ((x)->source != NULL)
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#define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY)
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zip_int64_t _zip_add_entry(zip_t *);
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zip_uint8_t *_zip_buffer_data(zip_buffer_t *buffer);
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bool _zip_buffer_eof(zip_buffer_t *buffer);
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void _zip_buffer_free(zip_buffer_t *buffer);
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zip_uint8_t *_zip_buffer_get(zip_buffer_t *buffer, zip_uint64_t length);
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zip_uint16_t _zip_buffer_get_16(zip_buffer_t *buffer);
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zip_uint32_t _zip_buffer_get_32(zip_buffer_t *buffer);
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zip_uint64_t _zip_buffer_get_64(zip_buffer_t *buffer);
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zip_uint8_t _zip_buffer_get_8(zip_buffer_t *buffer);
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zip_uint64_t _zip_buffer_left(zip_buffer_t *buffer);
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zip_buffer_t *_zip_buffer_new(zip_uint8_t *data, zip_uint64_t size);
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zip_buffer_t *_zip_buffer_new_from_source(zip_source_t *src, zip_uint64_t size, zip_uint8_t *buf, zip_error_t *error);
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zip_uint64_t _zip_buffer_offset(zip_buffer_t *buffer);
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bool _zip_buffer_ok(zip_buffer_t *buffer);
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int _zip_buffer_put(zip_buffer_t *buffer, const void *src, size_t length);
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int _zip_buffer_put_16(zip_buffer_t *buffer, zip_uint16_t i);
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int _zip_buffer_put_32(zip_buffer_t *buffer, zip_uint32_t i);
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int _zip_buffer_put_64(zip_buffer_t *buffer, zip_uint64_t i);
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int _zip_buffer_put_8(zip_buffer_t *buffer, zip_uint8_t i);
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int _zip_buffer_skip(zip_buffer_t *buffer, zip_uint64_t length);
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int _zip_buffer_set_offset(zip_buffer_t *buffer, zip_uint64_t offset);
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zip_uint64_t _zip_buffer_size(zip_buffer_t *buffer);
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int _zip_cdir_compute_crc(zip_t *, uLong *);
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void _zip_cdir_free(zip_cdir_t *);
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zip_cdir_t *_zip_cdir_new(zip_uint64_t, zip_error_t *);
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zip_int64_t _zip_cdir_write(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors);
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void _zip_deregister_source(zip_t *za, zip_source_t *src);
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zip_dirent_t *_zip_dirent_clone(const zip_dirent_t *);
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void _zip_dirent_free(zip_dirent_t *);
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void _zip_dirent_finalize(zip_dirent_t *);
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void _zip_dirent_init(zip_dirent_t *);
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bool _zip_dirent_needs_zip64(const zip_dirent_t *, zip_flags_t);
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zip_dirent_t *_zip_dirent_new(void);
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zip_int64_t _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, bool local, zip_error_t *error);
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zip_int32_t _zip_dirent_size(zip_source_t *src, zip_uint16_t, zip_error_t *);
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int _zip_dirent_write(zip_t *za, zip_dirent_t *dirent, zip_flags_t flags);
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zip_extra_field_t *_zip_ef_clone(const zip_extra_field_t *, zip_error_t *);
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zip_extra_field_t *_zip_ef_delete_by_id(zip_extra_field_t *, zip_uint16_t, zip_uint16_t, zip_flags_t);
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void _zip_ef_free(zip_extra_field_t *);
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const zip_uint8_t *_zip_ef_get_by_id(const zip_extra_field_t *, zip_uint16_t *, zip_uint16_t, zip_uint16_t, zip_flags_t, zip_error_t *);
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zip_extra_field_t *_zip_ef_merge(zip_extra_field_t *, zip_extra_field_t *);
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zip_extra_field_t *_zip_ef_new(zip_uint16_t, zip_uint16_t, const zip_uint8_t *, zip_flags_t);
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bool _zip_ef_parse(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_extra_field_t **, zip_error_t *);
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zip_extra_field_t *_zip_ef_remove_internal(zip_extra_field_t *);
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zip_uint16_t _zip_ef_size(const zip_extra_field_t *, zip_flags_t);
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int _zip_ef_write(zip_t *za, const zip_extra_field_t *ef, zip_flags_t flags);
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void _zip_entry_finalize(zip_entry_t *);
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void _zip_entry_init(zip_entry_t *);
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void _zip_error_clear(zip_error_t *);
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void _zip_error_get(const zip_error_t *, int *, int *);
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void _zip_error_copy(zip_error_t *dst, const zip_error_t *src);
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void _zip_error_set_from_source(zip_error_t *, zip_source_t *);
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const zip_uint8_t *_zip_extract_extra_field_by_id(zip_error_t *, zip_uint16_t, int, const zip_uint8_t *, zip_uint16_t, zip_uint16_t *);
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int _zip_file_extra_field_prepare_for_change(zip_t *, zip_uint64_t);
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int _zip_file_fillbuf(void *, size_t, zip_file_t *);
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zip_uint64_t _zip_file_get_offset(const zip_t *, zip_uint64_t, zip_error_t *);
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int _zip_filerange_crc(zip_source_t *src, zip_uint64_t offset, zip_uint64_t length, uLong *crcp, zip_error_t *error);
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zip_dirent_t *_zip_get_dirent(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *);
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enum zip_encoding_type _zip_guess_encoding(zip_string_t *, enum zip_encoding_type);
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zip_uint8_t *_zip_cp437_to_utf8(const zip_uint8_t * const, zip_uint32_t, zip_uint32_t *, zip_error_t *);
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bool _zip_hash_add(zip_hash_t *hash, const zip_uint8_t *name, zip_uint64_t index, zip_flags_t flags, zip_error_t *error);
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bool _zip_hash_delete(zip_hash_t *hash, const zip_uint8_t *key, zip_error_t *error);
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void _zip_hash_free(zip_hash_t *hash);
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zip_int64_t _zip_hash_lookup(zip_hash_t *hash, const zip_uint8_t *name, zip_flags_t flags, zip_error_t *error);
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zip_hash_t *_zip_hash_new(zip_uint16_t hash_size, zip_error_t *error);
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void _zip_hash_revert(zip_hash_t *hash);
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zip_t *_zip_open(zip_source_t *, unsigned int, zip_error_t *);
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int _zip_read(zip_source_t *src, zip_uint8_t *data, zip_uint64_t length, zip_error_t *error);
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int _zip_read_at_offset(zip_source_t *src, zip_uint64_t offset, unsigned char *b, size_t length, zip_error_t *error);
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zip_uint8_t *_zip_read_data(zip_buffer_t *buffer, zip_source_t *src, size_t length, bool nulp, zip_error_t *error);
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int _zip_read_local_ef(zip_t *, zip_uint64_t);
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zip_string_t *_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t lenght, bool nulp, zip_error_t *error);
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int _zip_register_source(zip_t *za, zip_source_t *src);
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void _zip_set_open_error(int *zep, const zip_error_t *err, int ze);
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zip_int64_t _zip_source_call(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command);
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zip_source_t *_zip_source_file_or_p(const char *, FILE *, zip_uint64_t, zip_int64_t, const zip_stat_t *, zip_error_t *error);
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void _zip_source_invalidate(zip_source_t *src);
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zip_source_t *_zip_source_new(zip_error_t *error);
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int _zip_source_set_source_archive(zip_source_t *, zip_t *);
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zip_source_t *_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_error_t *error);
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zip_source_t *_zip_source_zip_new(zip_t *, zip_t *, zip_uint64_t, zip_flags_t, zip_uint64_t, zip_uint64_t, const char *);
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int _zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error);
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int _zip_string_equal(const zip_string_t *, const zip_string_t *);
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void _zip_string_free(zip_string_t *);
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zip_uint32_t _zip_string_crc32(const zip_string_t *);
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const zip_uint8_t *_zip_string_get(zip_string_t *, zip_uint32_t *, zip_flags_t, zip_error_t *);
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zip_uint16_t _zip_string_length(const zip_string_t *);
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zip_string_t *_zip_string_new(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_error_t *);
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int _zip_string_write(zip_t *za, const zip_string_t *string);
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int _zip_changed(const zip_t *, zip_uint64_t *);
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const char *_zip_get_name(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *);
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int _zip_local_header_read(zip_t *, int);
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void *_zip_memdup(const void *, size_t, zip_error_t *);
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zip_int64_t _zip_name_locate(zip_t *, const char *, zip_flags_t, zip_error_t *);
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zip_t *_zip_new(zip_error_t *);
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zip_int64_t _zip_file_replace(zip_t *, zip_uint64_t, const char *, zip_source_t *, zip_flags_t);
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int _zip_set_name(zip_t *, zip_uint64_t, const char *, zip_flags_t);
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void _zip_u2d_time(time_t, zip_uint16_t *, zip_uint16_t *);
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int _zip_unchange(zip_t *, zip_uint64_t, int);
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void _zip_unchange_data(zip_entry_t *);
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int _zip_write(zip_t *za, const void *data, zip_uint64_t length);
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#endif /* zipint.h */
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