yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 | |