1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 /* ioapi.h -- IO base function header for compress/uncompress .zip 25 files using zlib + zip or unzip API 26 27 Version 1.01e, February 12th, 2005 28 29 Copyright (C) 1998-2005 Gilles Vollant 30 */ 31 32 #ifndef _ZLIBIOAPI_H 33 #define _ZLIBIOAPI_H 34 35 #include <zlib.h> 36 37 #define ZLIB_FILEFUNC_SEEK_CUR (1) 38 #define ZLIB_FILEFUNC_SEEK_END (2) 39 #define ZLIB_FILEFUNC_SEEK_SET (0) 40 41 #define ZLIB_FILEFUNC_MODE_READ (1) 42 #define ZLIB_FILEFUNC_MODE_WRITE (2) 43 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) 44 45 #define ZLIB_FILEFUNC_MODE_EXISTING (4) 46 #define ZLIB_FILEFUNC_MODE_CREATE (8) 47 48 49 #ifndef ZCALLBACK 50 #define ZCALLBACK 51 #endif 52 53 #ifdef __cplusplus 54 extern "C" { 55 #endif 56 57 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); 58 typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); 59 typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); 60 typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); 61 typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); 62 typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); 63 typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); 64 65 typedef struct zlib_filefunc_def_s 66 { 67 open_file_func zopen_file; 68 read_file_func zread_file; 69 write_file_func zwrite_file; 70 tell_file_func ztell_file; 71 seek_file_func zseek_file; 72 close_file_func zclose_file; 73 testerror_file_func zerror_file; 74 voidpf opaque; 75 } zlib_filefunc_def; 76 77 78 79 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); 80 81 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) 82 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) 83 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) 84 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) 85 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) 86 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) 87 88 89 #ifdef __cplusplus 90 } 91 #endif 92 93 #endif 94 95