usbloadergx/source/unzip/ioapi.h
2010-09-24 00:48:03 +00:00

72 lines
2.6 KiB
C

/* ioapi.h -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
*/
#ifndef _ZLIBIOAPI_H
#define _ZLIBIOAPI_H
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
#define ZLIB_FILEFUNC_SEEK_SET (0)
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
#define ZCALLBACK CALLBACK
#else
#define ZCALLBACK
#endif
#endif
#ifdef __cplusplus
extern "C"
{
#endif
typedef voidpf ( ZCALLBACK *open_file_func ) OF( ( voidpf opaque, const char* filename, int mode ) );
typedef uLong ( ZCALLBACK *read_file_func ) OF( ( voidpf opaque, voidpf stream, void* buf, uLong size ) );
typedef uLong ( ZCALLBACK *write_file_func ) OF( ( voidpf opaque, voidpf stream, const void* buf, uLong size ) );
typedef long ( ZCALLBACK *tell_file_func ) OF( ( voidpf opaque, voidpf stream ) );
typedef long ( ZCALLBACK *seek_file_func ) OF( ( voidpf opaque, voidpf stream, uLong offset, int origin ) );
typedef int ( ZCALLBACK *close_file_func ) OF( ( voidpf opaque, voidpf stream ) );
typedef int ( ZCALLBACK *testerror_file_func ) OF( ( voidpf opaque, voidpf stream ) );
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
void fill_fopen_filefunc OF( ( zlib_filefunc_def* pzlib_filefunc_def ) );
#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
#ifdef __cplusplus
}
#endif
#endif