WDL/zlib/zip.h

   1 /* zip.h -- IO on .zip files using zlib
   2    Version 1.1, February 14h, 2010
   3    part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
   4
   5          Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
   6
   7          Modifications for Zip64 support
   8          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
   9
  10          For more info read MiniZip_info.txt
  11
  12          ---------------------------------------------------------------------------
  13
  14    Condition of use and distribution are the same than zlib :
  15
  16   This software is provided 'as-is', without any express or implied
  17   warranty.  In no event will the authors be held liable for any damages
  18   arising from the use of this software.
  19
  20   Permission is granted to anyone to use this software for any purpose,
  21   including commercial applications, and to alter it and redistribute it
  22   freely, subject to the following restrictions:
  23
  24   1. The origin of this software must not be misrepresented; you must not
  25      claim that you wrote the original software. If you use this software
  26      in a product, an acknowledgment in the product documentation would be
  27      appreciated but is not required.
  28   2. Altered source versions must be plainly marked as such, and must not be
  29      misrepresented as being the original software.
  30   3. This notice may not be removed or altered from any source distribution.
  31
  32         ---------------------------------------------------------------------------
  33
  34         Changes
  35
  36         See header of zip.h
  37
  38 */
  39
  40 #ifndef _zip12_H
  41 #define _zip12_H
  42
  43 #ifdef __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 //#define HAVE_BZIP2
  48
  49 #ifndef _ZLIB_H
  50 #include "zlib.h"
  51 #endif
  52
  53 #ifndef _ZLIBIOAPI_H
  54 #include "ioapi.h"
  55 #endif
  56
  57 #ifdef HAVE_BZIP2
  58 #include "bzlib.h"
  59 #endif
  60
  61 #define Z_BZIP2ED 12
  62
  63 #if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
  64 /* like the STRICT of WIN32, we define a pointer that cannot be converted
  65     from (void*) without cast */
  66 typedef struct TagzipFile__ { int unused; } zipFile__;
  67 typedef zipFile__ *zipFile;
  68 #else
  69 typedef voidp zipFile;
  70 #endif
  71
  72 #define ZIP_OK                          (0)
  73 #define ZIP_EOF                         (0)
  74 #define ZIP_ERRNO                       (Z_ERRNO)
  75 #define ZIP_PARAMERROR                  (-102)
  76 #define ZIP_BADZIPFILE                  (-103)
  77 #define ZIP_INTERNALERROR               (-104)
  78
  79 #ifndef DEF_MEM_LEVEL
  80 #  if MAX_MEM_LEVEL >= 8
  81 #    define DEF_MEM_LEVEL 8
  82 #  else
  83 #    define DEF_MEM_LEVEL  MAX_MEM_LEVEL
  84 #  endif
  85 #endif
  86 /* default memLevel */
  87
  88 /* tm_zip contain date/time info */
  89 typedef struct tm_zip_s
  90 {
  91     uInt tm_sec;            /* seconds after the minute - [0,59] */
  92     uInt tm_min;            /* minutes after the hour - [0,59] */
  93     uInt tm_hour;           /* hours since midnight - [0,23] */
  94     uInt tm_mday;           /* day of the month - [1,31] */
  95     uInt tm_mon;            /* months since January - [0,11] */
  96     uInt tm_year;           /* years - [1980..2044] */
  97 } tm_zip;
  98
  99 typedef struct
 100 {
 101     tm_zip      tmz_date;       /* date in understandable format           */
 102     uLong       dosDate;       /* if dos_date == 0, tmu_date is used      */
 103 /*    uLong       flag;        */   /* general purpose bit flag        2 bytes */
 104
 105     uLong       internal_fa;    /* internal file attributes        2 bytes */
 106     uLong       external_fa;    /* external file attributes        4 bytes */
 107 } zip_fileinfo;
 108
 109 typedef const char* zipcharpc;
 110
 111
 112 #define APPEND_STATUS_CREATE        (0)
 113 #define APPEND_STATUS_CREATEAFTER   (1)
 114 #define APPEND_STATUS_ADDINZIP      (2)
 115
 116 extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
 117 extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append));
 118 /*
 119   Create a zipfile.
 120      pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
 121        an Unix computer "zlib/zlib113.zip".
 122      if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip
 123        will be created at the end of the file.
 124          (useful if the file contain a self extractor code)
 125      if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will
 126        add files in existing zip (be sure you don't add file that doesn't exist)
 127      If the zipfile cannot be opened, the return value is NULL.
 128      Else, the return value is a zipFile Handle, usable with other function
 129        of this zip package.
 130 */
 131
 132 /* Note : there is no delete function into a zipfile.
 133    If you want delete file into a zipfile, you must open a zipfile, and create another
 134    Of couse, you can use RAW reading and writing to copy the file you did not want delte
 135 */
 136
 137 extern zipFile ZEXPORT zipOpen2 OF((const char *pathname,
 138                                    int append,
 139                                    zipcharpc* globalcomment,
 140                                    zlib_filefunc_def* pzlib_filefunc_def));
 141
 142 extern zipFile ZEXPORT zipOpen2_64 OF((const void *pathname,
 143                                    int append,
 144                                    zipcharpc* globalcomment,
 145                                    zlib_filefunc64_def* pzlib_filefunc_def));
 146
 147 extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
 148                        const char* filename,
 149                        const zip_fileinfo* zipfi,
 150                        const void* extrafield_local,
 151                        uInt size_extrafield_local,
 152                        const void* extrafield_global,
 153                        uInt size_extrafield_global,
 154                        const char* comment,
 155                        int method,
 156                        int level));
 157
 158 extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file,
 159                        const char* filename,
 160                        const zip_fileinfo* zipfi,
 161                        const void* extrafield_local,
 162                        uInt size_extrafield_local,
 163                        const void* extrafield_global,
 164                        uInt size_extrafield_global,
 165                        const char* comment,
 166                        int method,
 167                        int level,
 168                        int zip64));
 169
 170 /*
 171   Open a file in the ZIP for writing.
 172   filename : the filename in zip (if NULL, '-' without quote will be used
 173   *zipfi contain supplemental information
 174   if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
 175     contains the extrafield data the the local header
 176   if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
 177     contains the extrafield data the the local header
 178   if comment != NULL, comment contain the comment string
 179   method contain the compression method (0 for store, Z_DEFLATED for deflate)
 180   level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
 181   zip64 is set to 1 if a zip64 extended information block should be added to the local file header.
 182                     this MUST be '1' if the uncompressed size is >= 0xffffffff.
 183
 184 */
 185
 186
 187 extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file,
 188                                             const char* filename,
 189                                             const zip_fileinfo* zipfi,
 190                                             const void* extrafield_local,
 191                                             uInt size_extrafield_local,
 192                                             const void* extrafield_global,
 193                                             uInt size_extrafield_global,
 194                                             const char* comment,
 195                                             int method,
 196                                             int level,
 197                                             int raw));
 198
 199
 200 extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file,
 201                                             const char* filename,
 202                                             const zip_fileinfo* zipfi,
 203                                             const void* extrafield_local,
 204                                             uInt size_extrafield_local,
 205                                             const void* extrafield_global,
 206                                             uInt size_extrafield_global,
 207                                             const char* comment,
 208                                             int method,
 209                                             int level,
 210                                             int raw,
 211                                             int zip64));
 212 /*
 213   Same than zipOpenNewFileInZip, except if raw=1, we write raw file
 214  */
 215
 216 extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file,
 217                                             const char* filename,
 218                                             const zip_fileinfo* zipfi,
 219                                             const void* extrafield_local,
 220                                             uInt size_extrafield_local,
 221                                             const void* extrafield_global,
 222                                             uInt size_extrafield_global,
 223                                             const char* comment,
 224                                             int method,
 225                                             int level,
 226                                             int raw,
 227                                             int windowBits,
 228                                             int memLevel,
 229                                             int strategy,
 230                                             const char* password,
 231                                             uLong crcForCrypting));
 232
 233 extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file,
 234                                             const char* filename,
 235                                             const zip_fileinfo* zipfi,
 236                                             const void* extrafield_local,
 237                                             uInt size_extrafield_local,
 238                                             const void* extrafield_global,
 239                                             uInt size_extrafield_global,
 240                                             const char* comment,
 241                                             int method,
 242                                             int level,
 243                                             int raw,
 244                                             int windowBits,
 245                                             int memLevel,
 246                                             int strategy,
 247                                             const char* password,
 248                                             uLong crcForCrypting,
 249                                             int zip64
 250                                             ));
 251
 252 /*
 253   Same than zipOpenNewFileInZip2, except
 254     windowBits,memLevel,,strategy : see parameter strategy in deflateInit2
 255     password : crypting password (NULL for no crypting)
 256     crcForCrypting : crc of file to compress (needed for crypting)
 257  */
 258
 259 extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file,
 260                                             const char* filename,
 261                                             const zip_fileinfo* zipfi,
 262                                             const void* extrafield_local,
 263                                             uInt size_extrafield_local,
 264                                             const void* extrafield_global,
 265                                             uInt size_extrafield_global,
 266                                             const char* comment,
 267                                             int method,
 268                                             int level,
 269                                             int raw,
 270                                             int windowBits,
 271                                             int memLevel,
 272                                             int strategy,
 273                                             const char* password,
 274                                             uLong crcForCrypting,
 275                                             uLong versionMadeBy,
 276                                             uLong flagBase
 277                                             ));
 278
 279
 280 extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file,
 281                                             const char* filename,
 282                                             const zip_fileinfo* zipfi,
 283                                             const void* extrafield_local,
 284                                             uInt size_extrafield_local,
 285                                             const void* extrafield_global,
 286                                             uInt size_extrafield_global,
 287                                             const char* comment,
 288                                             int method,
 289                                             int level,
 290                                             int raw,
 291                                             int windowBits,
 292                                             int memLevel,
 293                                             int strategy,
 294                                             const char* password,
 295                                             uLong crcForCrypting,
 296                                             uLong versionMadeBy,
 297                                             uLong flagBase,
 298                                             int zip64
 299                                             ));
 300 /*
 301   Same than zipOpenNewFileInZip4, except
 302     versionMadeBy : value for Version made by field
 303     flag : value for flag field (compression level info will be added)
 304  */
 305
 306
 307 extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
 308                        const void* buf,
 309                        unsigned len));
 310 /*
 311   Write data in the zipfile
 312 */
 313
 314 extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
 315 /*
 316   Close the current file in the zipfile
 317 */
 318
 319 extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file,
 320                                             uLong uncompressed_size,
 321                                             uLong crc32));
 322
 323 extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file,
 324                                             ZPOS64_T uncompressed_size,
 325                                             uLong crc32));
 326
 327 /*
 328   Close the current file in the zipfile, for file opened with
 329     parameter raw=1 in zipOpenNewFileInZip2
 330   uncompressed_size and crc32 are value for the uncompressed size
 331 */
 332
 333 extern int ZEXPORT zipClose OF((zipFile file,
 334                 const char* global_comment));
 335 /*
 336   Close the zipfile
 337 */
 338
 339
 340 extern int ZEXPORT zipRemoveExtraInfoBlock OF((char* pData, int* dataLen, short sHeader));
 341 /*
 342   zipRemoveExtraInfoBlock -  Added by Mathias Svensson
 343
 344   Remove extra information block from a extra information data for the local file header or central directory header
 345
 346   It is needed to remove ZIP64 extra information blocks when before data is written if using RAW mode.
 347
 348   0x0001 is the signature header for the ZIP64 extra information blocks
 349
 350   usage.
 351                         Remove ZIP64 Extra information from a central director extra field data
 352               zipRemoveExtraInfoBlock(pCenDirExtraFieldData, &nCenDirExtraFieldDataLen, 0x0001);
 353
 354                         Remove ZIP64 Extra information from a Local File Header extra field data
 355         zipRemoveExtraInfoBlock(pLocalHeaderExtraFieldData, &nLocalHeaderExtraFieldDataLen, 0x0001);
 356 */
 357
 358 #ifdef __cplusplus
 359 }
 360 #endif
 361
 362 #endif /* _zip64_H */