/* * osal.h * $Id: osal.h,v 1.10 2004/12/04 10:20:52 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 (_OSAL_H)#define _OSAL_H#include "config.h"#if defined (_BUILD_WIN32)#  include <windows.h>#elif defined (_BUILD_UNIX)/* NULL */#else#  error Unsupported platform; Please, modify Makefile#endif#define OSAL_OK       0#define OSAL_ERR     -1#define OSAL_NO_MEM  -2#define _MB * (1024 * 1024) /* really ugly :-) */#if defined (_BUILD_WIN32)typedef HANDLE osal_handle_t;#  define OSAL_HANDLE_INIT 0#  define OSAL_IS_OPENED(x) ((x) != OSAL_HANDLE_INIT)#elif defined (_BUILD_UNIX)typedef struct{  int desc; /* file descriptor */} osal_handle_t;#define OSAL_HANDLE_INIT { -1 } /* file descriptor */#define OSAL_IS_OPENED(x) ((x).desc != -1)#define MAX_PATH 256#endif/* pointer should be passed to osal_dispose_error_msg when no longer needed */unsigned long osal_get_last_error_code (void);char* osal_get_last_error_msg (void);char* osal_get_error_msg (unsigned long error);void osal_dispose_error_msg (char *msg);int osal_open (const char *name,	       osal_handle_t *handle,	       int no_cache);int osal_open_device_for_writing (const char *device_name,				  osal_handle_t *handle);int osal_create_file (const char *path,		      osal_handle_t *handle,		      u_int64_t estimated_size);int osal_get_estimated_device_size (osal_handle_t handle,				    u_int64_t *size_in_bytes);int osal_get_device_size (osal_handle_t handle,			  u_int64_t *size_in_bytes);int osal_get_device_sect_size (osal_handle_t handle,			       u_int32_t *size_in_bytes);int osal_get_volume_sect_size (const char *volume_root,			       u_int32_t *size_in_bytes);int osal_get_file_size_ex (const char *path,			   u_int64_t *size_in_bytes);int osal_get_file_size (osal_handle_t handle,			u_int64_t *size_in_bytes);int osal_seek (osal_handle_t handle,	       u_int64_t abs_pos);int osal_read (osal_handle_t handle,	       void *out,	       u_int32_t bytes,	       u_int32_t *stored);int osal_write (osal_handle_t handle,		const void *in,		u_int32_t bytes,		u_int32_t *stored);int osal_close (osal_handle_t handle);void* osal_alloc (u_int32_t bytes);void osal_free (void *ptr);#define DEV_MAX_NAME_LEN       16typedef struct osal_dev_type /* device */{  char name [DEV_MAX_NAME_LEN];  u_int64_t capacity; /* -1 if not ready */  int is_ps2;  unsigned long status;} osal_dev_t;typedef struct osal_dlist_type /* devices list */{  u_int32_t allocated, used;  osal_dev_t *device;} osal_dlist_t;int osal_query_hard_drives (osal_dlist_t **hard_drives);int osal_query_optical_drives (osal_dlist_t **optical_drives);int osal_query_devices (osal_dlist_t **hard_drives,			osal_dlist_t **optical_drives);void osal_dlist_free (osal_dlist_t *dlist);int /* RET_OK, RET_BAD_FORMAT, RET_BAD_DEVICE */osal_map_device_name (const char *input,		      char output [MAX_PATH]);#endif /* _OSAL_H defined? */