/* * aligned.h * $Id: aligned.h,v 1.3 2004/12/04 10:20:53 b081 Exp $ * * Copyright 2004 Bobi B., w1zard0f07@yahoo.com * * This file is part of hdl_dump. * * hdl_dump is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * hdl_dump is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with hdl_dump; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#if !defined (_ALIGNED_H)#define _ALIGNED_H#include "osal.h"/* * Windowz: when caching is turned off, all file I/O should start on a multiple of sector size * (typically 512 bytes for HDD and 2048 bytes for an optical drive) * and the number of bytes involved should also be multiple of sector size; * aaahhh... and the buffer should be aligned to a multiple of sector size; * would read up to sector_size * buffer_size_in_sectors bytes at once */typedef struct aligned_type aligned_t;aligned_t*al_alloc (osal_handle_t in,	  u_int32_t sector_size, /* device sector size - each file I/O should be aligned */	  u_int32_t buffer_size_in_sectors); /* 32 is good enough */intal_read (aligned_t *al,	 u_int64_t offset,	 const char **data, /* internal buffer, managed by aligned I/O */	 u_int32_t dest_size,	 u_int32_t *length);voidal_free (aligned_t *al);#endif /* _ALIGNED_H defined? */