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zip.h /* ZIP archive support for Crystal Space 3D library Copyright (C) 1998,1999 by Andrew Zabolotny <bit@eltech.ru> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef ZIP_H #define ZIP_H #if defined(__cplusplus) && !defined(COMP_BC) extern "C" { #endif #define Byte z_Byte /* Kludge to avoid conflicting typedef in zconf.h */ #include <zlib.h> #undef Byte #if defined(__cplusplus) && !defined(COMP_BC) } #endif #define CENTRAL_HDR_SIG '\001','\002' /* the infamous "PK" signature bytes, */ #define LOCAL_HDR_SIG '\003','\004' /* sans "PK" (so unzip executable not */ #define END_CENTRAL_SIG '\005','\006' /* mistaken for zipfile itself) */ #define EXTD_LOCAL_SIG '\007','\010' /* [ASCII "\113" == EBCDIC "\080" ??] */ #define DEF_WBITS 15 /* Default LZ77 window size */ #define ZIP_STORE 0 /* 'STORED' method id */ #define ZIP_DEFLATE 8 /* 'DEFLATE' method id */ typedef unsigned char uch; typedef unsigned short ush; typedef unsigned long ulg; #if 0 /* Optimization: use the (const) result of crc32(0L,NULL,0) */ # define CRCVAL_INITIAL crc32(0L, NULL, 0) #else # define CRCVAL_INITIAL 0L #endif typedef struct { uch version_needed_to_extract[2]; ush general_purpose_bit_flag; ush compression_method; ush last_mod_file_time; ush last_mod_file_date; ulg crc32; ulg csize; ulg ucsize; ush filename_length; ush extra_field_length; } ZIP_local_file_header; typedef struct { uch version_made_by[2]; uch version_needed_to_extract[2]; ush general_purpose_bit_flag; ush compression_method; ush last_mod_file_time; ush last_mod_file_date; ulg crc32; ulg csize; ulg ucsize; ush filename_length; ush extra_field_length; ush file_comment_length; ush disk_number_start; ush internal_file_attributes; ulg external_file_attributes; ulg relative_offset_local_header; } ZIP_central_directory_file_header; typedef struct { ush number_this_disk; ush num_disk_start_cdir; ush num_entries_centrl_dir_ths_disk; ush total_entries_central_dir; ulg size_central_directory; ulg offset_start_central_directory; ush zipfile_comment_length; } ZIP_end_central_dir_record; //--- ZIP_local_file_header layout --------------------------------------------- #define ZIP_LOCAL_FILE_HEADER_SIZE 26 # define L_VERSION_NEEDED_TO_EXTRACT_0 0 # define L_VERSION_NEEDED_TO_EXTRACT_1 1 # define L_GENERAL_PURPOSE_BIT_FLAG 2 # define L_COMPRESSION_METHOD 4 # define L_LAST_MOD_FILE_TIME 6 # define L_LAST_MOD_FILE_DATE 8 # define L_CRC32 10 # define L_COMPRESSED_SIZE 14 # define L_UNCOMPRESSED_SIZE 18 # define L_FILENAME_LENGTH 22 # define L_EXTRA_FIELD_LENGTH 24 //--- ZIP_central_directory_file_header layout --------------------------------- #define ZIP_CENTRAL_DIRECTORY_FILE_HEADER_SIZE 42 # define C_VERSION_MADE_BY_0 0 # define C_VERSION_MADE_BY_1 1 # define C_VERSION_NEEDED_TO_EXTRACT_0 2 # define C_VERSION_NEEDED_TO_EXTRACT_1 3 # define C_GENERAL_PURPOSE_BIT_FLAG 4 # define C_COMPRESSION_METHOD 6 # define C_LAST_MOD_FILE_TIME 8 # define C_LAST_MOD_FILE_DATE 10 # define C_CRC32 12 # define C_COMPRESSED_SIZE 16 # define C_UNCOMPRESSED_SIZE 20 # define C_FILENAME_LENGTH 24 # define C_EXTRA_FIELD_LENGTH 26 # define C_FILE_COMMENT_LENGTH 28 # define C_DISK_NUMBER_START 30 # define C_INTERNAL_FILE_ATTRIBUTES 32 # define C_EXTERNAL_FILE_ATTRIBUTES 34 # define C_RELATIVE_OFFSET_LOCAL_HEADER 38 //--- ZIP_end_central_dir_record layout ---------------------------------------- #define ZIP_END_CENTRAL_DIR_RECORD_SIZE 18 # define E_NUMBER_THIS_DISK 0 # define E_NUM_DISK_WITH_START_CENTRAL_DIR 2 # define E_NUM_ENTRIES_CENTRL_DIR_THS_DISK 4 # define E_TOTAL_ENTRIES_CENTRAL_DIR 6 # define E_SIZE_CENTRAL_DIRECTORY 8 # define E_OFFSET_START_CENTRAL_DIRECTORY 12 # define E_ZIPFILE_COMMENT_LENGTH 16 #endif /* ZIP_H */ Generated for Crystal Space by doxygen 1.2.5 written by Dimitri van Heesch, ©1997-2000