1 /* ioapi.h -- IO base function header for compress/uncompress .zip 2 files using zlib + zip or unzip API 3 4 Version 1.01e, February 12th, 2005 5 6 Copyright (C) 1998-2005 Gilles Vollant 7 */ 8 9 #ifndef _ZLIBIOAPI_H 10 #define _ZLIBIOAPI_H 11 12 13 #define ZLIB_FILEFUNC_SEEK_CUR (1) 14 #define ZLIB_FILEFUNC_SEEK_END (2) 15 #define ZLIB_FILEFUNC_SEEK_SET (0) 16 17 #define ZLIB_FILEFUNC_MODE_READ (1) 18 #define ZLIB_FILEFUNC_MODE_WRITE (2) 19 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) 20 21 #define ZLIB_FILEFUNC_MODE_EXISTING (4) 22 #define ZLIB_FILEFUNC_MODE_CREATE (8) 23 24 25 #ifndef ZCALLBACK 26 27 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) 28 #define ZCALLBACK CALLBACK 29 #else 30 #define ZCALLBACK 31 #endif 32 #endif 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); 39 typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); 40 typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); 41 typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); 42 typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); 43 typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); 44 typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); 45 46 typedef struct zlib_filefunc_def_s 47 { 48 open_file_func zopen_file; 49 read_file_func zread_file; 50 write_file_func zwrite_file; 51 tell_file_func ztell_file; 52 seek_file_func zseek_file; 53 close_file_func zclose_file; 54 testerror_file_func zerror_file; 55 voidpf opaque; 56 } zlib_filefunc_def; 57 58 59 60 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); 61 62 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) 63 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) 64 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) 65 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) 66 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) 67 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) 68 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif 75 76
