zip.h
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- /* zip.h -- IO for compress .zip files using zlib
- Version 0.15 alpha, Mar 19th, 1998,
- Copyright (C) 1998 Gilles Vollant
- This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
- WinZip, InfoZip tools and compatible.
- Encryption and multi volume ZipFile (span) are not supported.
- Old compressions used by old PKZip 1.x are not supported
- For uncompress .zip file, look at unzip.h
- THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
- CAN CHANGE IN FUTURE VERSION !!
- I WAIT FEEDBACK at mail info@winimage.com
- Visit also http://www.winimage.com/zLibDll/zip.htm for evolution
- Condition of use and distribution are the same than zlib :
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
- */
- /* for more info about .ZIP format, see
- ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
- PkWare has also a specification at :
- ftp://ftp.pkware.com/probdesc.zip
- */
- #ifndef _zip_H
- #define _zip_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifndef _ZLIB_H
- #include "zlib.h"
- #endif
- #if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
- /* like the STRICT of WIN32, we define a pointer that cannot be converted
- from (void*) without cast */
- typedef struct TagzipFile__ { int unused; } zipFile__;
- typedef zipFile__ *zipFile;
- #else
- typedef voidp zipFile;
- #endif
- #define ZIP_OK (0)
- #define ZIP_ERRNO (Z_ERRNO)
- #define ZIP_PARAMERROR (-102)
- #define ZIP_INTERNALERROR (-104)
- /* tm_zip contain date/time info */
- typedef struct tm_zip_s
- {
- uInt tm_sec; /* seconds after the minute - [0,59] */
- uInt tm_min; /* minutes after the hour - [0,59] */
- uInt tm_hour; /* hours since midnight - [0,23] */
- uInt tm_mday; /* day of the month - [1,31] */
- uInt tm_mon; /* months since January - [0,11] */
- uInt tm_year; /* years - [1980..2044] */
- } tm_zip;
- typedef struct
- {
- tm_zip tmz_date; /* date in understandable format */
- uLong dosDate; /* if dos_date == 0, tmu_date is used */
- /* uLong flag; */ /* general purpose bit flag 2 bytes */
- uLong internal_fa; /* internal file attributes 2 bytes */
- uLong external_fa; /* external file attributes 4 bytes */
- } zip_fileinfo;
- extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
- /*
- Create a zipfile.
- pathname contain on Windows NT a filename like "c:\zlib\zlib111.zip" or on
- an Unix computer "zlib/zlib111.zip".
- if the file pathname exist and append=1, the zip will be created at the end
- of the file. (useful if the file contain a self extractor code)
- If the zipfile cannot be opened, the return value is NULL.
- Else, the return value is a zipFile Handle, usable with other function
- of this zip package.
- */
- extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
- const char* filename,
- const zip_fileinfo* zipfi,
- const void* extrafield_local,
- uInt size_extrafield_local,
- const void* extrafield_global,
- uInt size_extrafield_global,
- const char* comment,
- int method,
- int level));
- /*
- Open a file in the ZIP for writing.
- filename : the filename in zip (if NULL, '-' without quote will be used
- *zipfi contain supplemental information
- if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
- contains the extrafield data the the local header
- if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
- contains the extrafield data the the local header
- if comment != NULL, comment contain the comment string
- method contain the compression method (0 for store, Z_DEFLATED for deflate)
- level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
- */
- extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
- const voidp buf,
- unsigned len));
- /*
- Write data in the zipfile
- */
- extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
- /*
- Close the current file in the zipfile
- */
- extern int ZEXPORT zipClose OF((zipFile file,
- const char* global_comment));
- /*
- Close the zipfile
- */
- #ifdef __cplusplus
- }
- #endif
- #endif /* _zip_H */