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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
************************************************************************
* @file M4OSA_FileCommon_priv.h
* @ingroup OSAL
* @brief File common private for Android
* @note This file declares functions and types used by both the file
* writer and file reader.
************************************************************************
*/
#ifndef M4OSA_FILECOMMON_PRIV_H
#define M4OSA_FILECOMMON_PRIV_H
#include "M4OSA_FileCommon.h"
#include <stdio.h>
#define M4OSA_isAccessModeActived(compound_mode_access,elementary_mode_access)\
(((compound_mode_access)&(elementary_mode_access))? 1:0)
typedef enum M4OSA_LastSeek
{
SeekNone,
SeekRead,
SeekWrite
} M4OSA_LastSeek;
/** This structure defines the file context*/
typedef struct {
M4OSA_UInt32 coreID_read;
M4OSA_UInt32 coreID_write;
FILE* file_desc;
/** The name of the URL */
M4OSA_Char* url_name;
/** The name of the file */
M4OSA_Char* file_name;
/** The size in bytes of the file */
M4OSA_FilePosition file_size;
/** The file mode access used to open the file */
M4OSA_FileModeAccess access_mode;
M4OSA_LastSeek current_seek;
M4OSA_FilePosition read_position;
M4OSA_FilePosition write_position;
M4OSA_Bool b_is_end_of_file;
#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE
M4OSA_Context semaphore_context;
#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */
/* These two variables were added to manage case where a file
* is opened in read and write mode with one descriptor */
M4OSA_DescrModeAccess m_DescrModeAccess;
M4OSA_UInt32 m_uiLockMode;
} M4OSA_FileContext;
M4OSA_ERR M4OSA_fileCommonOpen(M4OSA_UInt16 core_id,
M4OSA_Context* context,
M4OSA_Char* URL,
M4OSA_FileModeAccess fileModeAccess);
M4OSA_ERR M4OSA_fileCommonClose(M4OSA_UInt16 core_id,
M4OSA_Context context);
M4OSA_ERR M4OSA_fileCommonGetAttribute(M4OSA_Context context,
M4OSA_FileAttribute* attribute);
M4OSA_ERR M4OSA_fileCommonGetURL(M4OSA_Context context,
M4OSA_Char** url);
M4OSA_ERR M4OSA_fileCommonGetFilename(M4OSA_Char* url,
M4OSA_Char** filename);
M4OSA_ERR M4OSA_fileCommonSeek(M4OSA_Context context,
M4OSA_FileSeekAccessMode seekMode,
M4OSA_FilePosition* position);
#ifdef UTF_CONVERSION
M4OSA_ERR M4OSA_ToUTF8_OSAL (M4OSA_Void *pBufferIn,
M4OSA_UInt8 *pBufferOut,
M4OSA_UInt32 *bufferOutSize);
#endif /*UTF_CONVERSION*/
#endif /*M4OSA_FILECOMMON_PRIV_H*/
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