aaa_ioapi.h

/* ioapi.h -- IO axis function header for compress/uncompress .zip
   files using zlib + zip or unzip API
 
   Version 1.00, September 10th, 2003
 
   Copyright (C) 1998-2003 Gilles Vollant
*/
 
#ifndef _ZLIBIOAPI_H
#define _ZLIBIOAPI_H
 
 
// dnf install zlib-devel
#include "zlib.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_pointer pszFilename, ::i32 mode));
typedef uptr  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void * buf, uptr size));
typedef uptr  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void * buf, uptr size));
typedef long   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uptr offset, ::i32 origin));
typedef ::i32    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
typedef ::i32    (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