fsal_write.c

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/*******************************************************************************
 *
 * Filename:
 * ---------
 * fsal_write.c
 *
 * Project:
 * --------
 *   MAUI
 *
 * Description:
 * ------------
 *   File System Abstraction Layer, write-accessing functions.
 *
 * Author:
 * -------
 * -------
 *
 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *==============================================================================
 *******************************************************************************/

#include "fsal.h"



FSAL_Status FSAL_Write_Bytes(STFSAL *pstFSAL, kal_uint8 *pbData, kal_uint32 uLen)
{
   FSAL_Status ret;

   FSAL_CHECK_ARG(pstFSAL!=NULL);
	FSAL_CHECK_ARG(pbData!=NULL);

   if((ret=FSAL_Write(pstFSAL, pbData, uLen))!=FSAL_OK) {
		return ret;
   }

	return FSAL_OK;
}



FSAL_Status FSAL_Write_UINT(STFSAL *pstFSAL, kal_uint32 uValue)
{
   FSAL_Status ret;
   kal_uint8 pBuf[4];

   FSAL_CHECK_ARG(pstFSAL!=NULL);

   pBuf[0] = (uValue >> 24) & 0xFF;
   pBuf[1] = (uValue >> 16) & 0xFF;
   pBuf[2] = (uValue >> 8) & 0xFF;
   pBuf[3] = uValue & 0xFF;
   
   if ((ret=FSAL_Write_Bytes(pstFSAL, pBuf, 4))!=FSAL_OK)
	   return ret;

   return FSAL_OK;
}



FSAL_Status FSAL_Write_UINT16(STFSAL* pstFSAL, kal_uint16 wValue)
{
   FSAL_Status ret;
   kal_uint8 pBuf[2];

   FSAL_CHECK_ARG(pstFSAL!=NULL);

   pBuf[0] = (wValue >> 8) & 0xFF;
   pBuf[1] = wValue & 0xFF;
   
   if ((ret=FSAL_Write_Bytes(pstFSAL, pBuf, 2))!=FSAL_OK)
	   return ret;
   
   return FSAL_OK;   
}



FSAL_Status FSAL_Write_UINT8(STFSAL* pstFSAL, kal_uint8 bValue)
{
   FSAL_Status ret;
   FSAL_CHECK_ARG(pstFSAL!=NULL);

   if ((ret=FSAL_Write_Bytes(pstFSAL, &bValue, 1))!=FSAL_OK)
	   return ret;
   
   return FSAL_OK;   
}



FSAL_Status FSAL_Write_UINT_AT(STFSAL* pstFSAL, kal_uint32 uValue, kal_uint32 uOffset)
{
   FSAL_Status ret;
   kal_uint32 uOffsetOrig;

   FSAL_CHECK_ARG(pstFSAL!=NULL);
   
   if ((ret=FSAL_GetCurPos(pstFSAL, &uOffsetOrig))!=FSAL_OK)
      return ret;

   if ((ret=FSAL_Seek(pstFSAL, uOffset))!=FSAL_OK)
		return ret;
   
   if ((ret=FSAL_Write_UINT(pstFSAL, uValue))!=FSAL_OK)
      return ret;    

   if ((ret=FSAL_Seek(pstFSAL, uOffsetOrig))!=FSAL_OK)
		return ret;

   return FSAL_OK;
}