1 /* $NetBSD: ioapi.h,v 1.1.1.1 2006/01/14 20:10:57 christos Exp $ */ 2 3 /* ioapi.h -- IO base function header for compress/uncompress .zip 4 files using zlib + zip or unzip API 5 6 Version 1.01e, February 12th, 2005 7 8 Copyright (C) 1998-2005 Gilles Vollant 9 */ 10 11 #ifndef _ZLIBIOAPI_H 12 #define _ZLIBIOAPI_H 13 14 15 #define ZLIB_FILEFUNC_SEEK_CUR (1) 16 #define ZLIB_FILEFUNC_SEEK_END (2) 17 #define ZLIB_FILEFUNC_SEEK_SET (0) 18 19 #define ZLIB_FILEFUNC_MODE_READ (1) 20 #define ZLIB_FILEFUNC_MODE_WRITE (2) 21 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) 22 23 #define ZLIB_FILEFUNC_MODE_EXISTING (4) 24 #define ZLIB_FILEFUNC_MODE_CREATE (8) 25 26 27 #ifndef ZCALLBACK 28 29 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) 30 #define ZCALLBACK CALLBACK 31 #else 32 #define ZCALLBACK 33 #endif 34 #endif 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); 41 typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); 42 typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); 43 typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); 44 typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); 45 typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); 46 typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); 47 48 typedef struct zlib_filefunc_def_s 49 { 50 open_file_func zopen_file; 51 read_file_func zread_file; 52 write_file_func zwrite_file; 53 tell_file_func ztell_file; 54 seek_file_func zseek_file; 55 close_file_func zclose_file; 56 testerror_file_func zerror_file; 57 voidpf opaque; 58 } zlib_filefunc_def; 59 60 61 62 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); 63 64 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) 65 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) 66 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) 67 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) 68 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) 69 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) 70 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif 77 78