mirror of
https://github.com/id-Software/Wolf3D-iOS.git
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Source release of Wolfenstein 3D Classic Platinum for iOS, 2.1
This commit is contained in:
Travis Bradshaw
104
wolf3d/wolfextractor/zip/zip.h
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104
wolf3d/wolfextractor/zip/zip.h
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/*
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Copyright (C) 2004 Michael Liebscher
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __ZIP_H__
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#define __ZIP_H__
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#include "../../../common/arch.h"
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/* compression method */
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#define CM_NO_COMPRESSION 0
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#define CM_SHRUNK 1
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#define CM_REDUCED_F1 2
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#define CM_REDUCED_F2 3
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#define CM_REDUCED_F3 4
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#define CM_REDUCED_F4 5
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#define CM_IMPLODED 6
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#define CM_RESERVED_7 7
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#define CM_DEFLATED 8
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#define CM_DEFLATE64 9
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#define CM_IMPLODING 10
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#define CM_RESERVED_11 11
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#define CM_BZIP2 12
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/* version made by */
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#define VMB_MSDOS_FAT 0
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#define VMB_AMIGA 1
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#define VMB_OPENVMS 2
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#define VMB_UNIX 3
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#define VMB_VM_CMS 4
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#define VMB_ATARI_ST 5
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#define VMB_OS_2_HPFS 6
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#define VMB_MACINTOSH 7
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#define VMB_Z_SYSTEM 8
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#define VMB_CP_M 9
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#define VMB_WINDOWS_NTFS 10
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#define VMB_MVS_OS_390_Z_OS 11
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#define VMB_VSE 12
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#define VMB_ACORN_RISC 13
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#define VMB_VFAT 14
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#define VMB_ALTERNATE_MVS 15
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#define VMB_BEOS 16
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#define VMB_TANDEM 17
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#define VMB_OS_400 18
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#define VMB_OS_X_DARWIN 19
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struct zlist
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{
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W16 versionmadeby;
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W16 versionneeded;
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W16 flag;
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W16 compression_method;
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W32 timedate;
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W32 crc32;
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W32 compressed_size;
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W32 uncompressed_size;
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W16 filename_length;
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W16 extrafield_length;
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W16 centralextra_length;
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W16 comment_length;
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W16 disknumstart;
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W16 internalattribute;
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W16 localflag;
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W32 externalattribute;
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W32 offset;
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_boolean deletefile;
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char filename[ 256 ];
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char extrafield[ 256 ];
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char centralextra[ 256 ];
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char comment[ 256 ];
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struct zlist *next; /* Pointer to next header in chain */
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};
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extern _boolean zip_writelocalfileheader( struct zlist *z, FILE *f );
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extern _boolean zip_writeextended( struct zlist *z, FILE *f );
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extern _boolean zip_writecentral( struct zlist *z, FILE *f );
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extern _boolean zip_writeend( SW32 num, W32 size, W32 offset, W16 len, char *comment, FILE *f );
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#endif /* __ZIP_H__ */
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267
wolf3d/wolfextractor/zip/zipfile.c
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267
wolf3d/wolfextractor/zip/zipfile.c
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@@ -0,0 +1,267 @@
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/*
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Copyright (C) 2004 Michael Liebscher
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* zipfile.c: Write zip file
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*
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* Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
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*
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*/
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/*
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Notes:
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Reference document:
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http://www.pkware.com/company/standards/appnote/appnote.txt
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*/
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#include <stdio.h>
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#include "../../../common/arch.h"
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#include "../../../common/common_utils.h"
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#include "zip.h"
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/* Signatures for zip file information headers */
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#define SIG_LOCAL 0x04034b50L
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#define SIG_CENTRAL 0x02014b50L
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#define SIG_END 0x06054b50L
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#define SIG_EXTENDLOCAL 0x08074b50L
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#define SIG_EXTENDSPLOCAL 0x30304b50L
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/* Length of header (not counting the signature) */
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#define LOCALHEAD_SIZE 26
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#define CENTRALHEAD_SIZE 42
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#define ENDHEAD_SIZE 18
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/*
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-----------------------------------------------------------------------------
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Function: zip_writelocalfileheader -Write a local header to file.
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Parameters:
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z -[in] zip entry to write local header for.
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f -[in] File to write to.
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Returns:
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Notes:
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-----------------------------------------------------------------------------
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*/
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_boolean zip_writelocalfileheader( struct zlist *z, FILE *f )
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{
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W32 temp32;
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W16 temp16;
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W32 retval;
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temp32 = LittleLong( SIG_LOCAL );
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retval = fwrite( &temp32, 1, 4, f );
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temp16 = LittleShort( z->versionneeded );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->localflag );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->compression_method );
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retval += fwrite( &temp16, 1, 2, f );
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temp32 = LittleLong( z->timedate );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->crc32 );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->compressed_size );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->uncompressed_size );
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retval += fwrite( &temp32, 1, 4, f );
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temp16 = LittleShort( z->filename_length );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->extrafield_length );
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retval += fwrite( &temp16, 1, 2, f );
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if( retval != LOCALHEAD_SIZE + 4 )
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{
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return false;
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}
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if( fwrite( z->filename, 1, z->filename_length, f ) != z->filename_length ||
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(z->extrafield && fwrite( z->extrafield, 1, z->extrafield_length, f) != z->extrafield_length) )
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{
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return false;
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}
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return true;
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}
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/*
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-----------------------------------------------------------------------------
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Function: zip_writecentral -Write a central header to file.
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Parameters:
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z -[in] zip entry to write central header for.
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f -[in] File to write to.
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Returns:
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Notes:
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-----------------------------------------------------------------------------
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*/
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_boolean zip_writecentral( struct zlist *z, FILE *f )
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{
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W32 temp32;
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W16 temp16;
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W32 retval;
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temp32 = LittleLong( SIG_CENTRAL );
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retval = fwrite( &temp32, 1, 4, f );
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temp16 = LittleShort( z->versionmadeby );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->versionneeded );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->flag );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->compression_method );
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retval += fwrite( &temp16, 1, 2, f );
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temp32 = LittleLong( z->timedate );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->crc32 );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->compressed_size );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->uncompressed_size );
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retval += fwrite( &temp32, 1, 4, f );
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temp16 = LittleShort( z->filename_length );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->centralextra_length );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->comment_length );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->disknumstart );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( z->internalattribute );
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retval += fwrite( &temp16, 1, 2, f );
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temp32 = LittleLong( z->externalattribute );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( z->offset );
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retval += fwrite( &temp32, 1, 4, f );
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if( retval != CENTRALHEAD_SIZE + 4 )
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{
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return false;
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}
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if( fwrite(z->filename, 1, z->filename_length, f) != z->filename_length ||
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(z->centralextra_length && fwrite(z->centralextra, 1, z->centralextra_length, f) != z->centralextra_length) ||
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(z->comment_length && fwrite(z->comment, 1, z->comment_length, f) != z->comment_length) )
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{
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return false;
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}
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return true;
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}
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/*
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-----------------------------------------------------------------------------
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Function: zip_writeend -Write end of central directory data to file.
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Parameters:
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num -[in] Number of entries in central directory.
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size -[in] Size of central directory.
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offset -[in] Offset of central directory.
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len -[in] Length of zip file comment (0 if none).
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comment -[in] Zip file comment if len != 0.
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f -[in] File to write to.
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Returns:
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Notes:
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-----------------------------------------------------------------------------
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*/
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_boolean zip_writeend( SW32 num, W32 size, W32 offset, W16 len, char *comment, FILE *f )
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{
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W32 temp32;
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W16 temp16;
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W32 retval;
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temp32 = LittleLong( SIG_END );
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retval = fwrite( &temp32, 1, 4, f );
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temp16 = 0;
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = 0;
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( num );
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retval += fwrite( &temp16, 1, 2, f );
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temp16 = LittleShort( num );
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retval += fwrite( &temp16, 1, 2, f );
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temp32 = LittleLong( size );
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retval += fwrite( &temp32, 1, 4, f );
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temp32 = LittleLong( offset );
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retval += fwrite( &temp32, 1, 4, f );
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temp16 = LittleShort( len );
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retval += fwrite( &temp16, 1, 2, f );
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if( retval != ENDHEAD_SIZE + 4 )
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{
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return false;
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}
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if( len && fwrite( comment, 1, len, f ) != len )
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{
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return false;
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}
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return true;
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}
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