telsrc_memsrc.c

这是东软嵌入式课件

/********************************************************************


	挊嶌尃強桳幰		丗	[e-mail]

	僜乕僗僼傽僀儖柤	丗	telsrc_memsrc.c

	撪梕				丗	Tel No. search(Memory search IF)

	嶌惉擔丒幰			丗	2005.07.08		Wang Hongjun


	廋惓擔丒幰			丗


*********************************************************************/

/*------------------------------------------------------------------*/
/*																	*/
/*	僀儞僋儖乕僪僼傽僀儖晹暘										*/
/*																	*/
/*------------------------------------------------------------------*/
#include "telsrc_in.h"

/*------------------------------------------------------------------*/
/*																	*/
/*	娭悢掕媊晹暘													*/
/*																	*/
/*------------------------------------------------------------------*/

/********************************************************************/
/*	telsrc_crehandle_mem											*/
/*	----------------------------------------------------------------*/
/*	Input:															*/
/*		int					:	Search condition[IN]				*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Output:															*/
/*		RETURN				:	乮惓忢乯Telphone search handle		*/
/*								乮堎忢乯NULL						*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Outline:														*/
/*		Create telphone search handle (Data saved in memory).		*/
/*	----------------------------------------------------------------*/
/*	Others:															*/
/*																	*/
/********************************************************************/
H_TELSRC	telsrc_crehandle_mem(
	S_TELSRC_COND*	pstTelSrcCond	/* I/ Search condition			*/
	)
{
	int				iMallocSize		= 0;
					/* Memory size									*/
	S_TELSRC*		pstTelSrc		= NULL;
					/* Telsearch struct								*/
	H_TELSRC		hTelSrc			= NULL;
					/* Telsearch class handle						*/
	void*			pvMallocAdr		= NULL;
					/* Temp address									*/

	/* Exception prevention											*/
	if( NULL == pstTelSrcCond )
	{
		return (H_TELSRC)NULL;
	}

	/* Search data area and search class area allocation			*/
	iMallocSize	
		= ( sizeof(S_TELSRC_DATA) * (pstTelSrcCond->iMaxDataNum) )+ 
													sizeof(S_TELSRC);
	pvMallocAdr		= malloc( iMallocSize );
	/* Exception prevention											*/
	if( NULL == pvMallocAdr )
	{
		return (H_TELSRC)NULL;
	}

	/* Initialization												*/
	memset( pvMallocAdr, 0, iMallocSize );

	/* Memory split and addres set									*/
	telsrc_crehandle_mem_adrset( pstTelSrc, pvMallocAdr );

	if( NULL != pstTelSrc )
	{
		/* Search condition copy									*/
		memcpy( &pstTelSrc->stTelSrcCond, pstTelSrcCond, 
										(WORD)sizeof(S_TELSRC_COND) );
	}

	hTelSrc = (H_TELSRC)pstTelSrc;

	return hTelSrc;
}

/********************************************************************/
/*	telsrc_datareg_mem												*/
/*	----------------------------------------------------------------*/
/*	Input:															*/
/*		S_TELSRC*			:	Telphone search data area[IN]		*/
/*		S_TELSRC_DATA*		:	The Tel No. Data for searching[IN]	*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Output:															*/
/*		RETURN				:	乮惓忢乯RET_SUCCESS					*/
/*								乮堎忢乯RET_FAILED					*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Outline:														*/
/*		Regist new Tel No.											*/
/*	----------------------------------------------------------------*/
/*	Others:															*/
/*																	*/
/********************************************************************/
int telsrc_datareg_mem(
	S_TELSRC*		pstTelSrc,	/* I/ Telphone search data area		*/
	S_TELSRC_DATA*	pstSrcData	/* I/ The Tel No. Data for searching*/
	)
{
	int				iRet			= 0;
					/* Return value save							*/
	S_TELSRC_DATA*	pstDestSrcData	= NULL;
					/* Dest data area for saving the Tel to register*/


	/* Exception prevention											*/
	if( (NULL == pstSrcData) || (NULL == pstTelSrc) )
	{
		return RET_FAILED;
	}

	/* Current data ID set											*/
	pstSrcData->iNo	= pstTelSrc->iDataNum;


	/* Dest data area get											*/
	pstDestSrcData = 
				(S_TELSRC_DATA*)( pstTelSrc->pstTelSrcData +
				( sizeof( S_TELSRC_DATA ) * (pstTelSrc->iDataNum) ) );

	memset( pstDestSrcData, 0, (WORD)sizeof(S_TELSRC_DATA) );

	/* Save the data info input by user								*/
	memcpy( pstDestSrcData, pstSrcData, (WORD)sizeof(pstDestSrcData) );
	(pstTelSrc->iDataNum)++;


	return iRet;
}

/********************************************************************/
/*	telsrc_datasrc_mem												*/
/*	----------------------------------------------------------------*/
/*	Input:															*/
/*		S_TELSRC*			:	Telphone search data area[IN]		*/
/*		char*				:	The Tel No. for searching[IN]		*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Output:															*/
/*		RETURN				:	乮惓忢乯RET_SUCCESS					*/
/*								乮堎忢乯RET_FAILED					*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Outline:														*/
/*		Tel No. search.												*/
/*	----------------------------------------------------------------*/
/*	Others:															*/
/*																	*/
/********************************************************************/
int telsrc_datasrc_mem(
	S_TELSRC*		pstTelSrc,	/* I/ Telphone search data area		*/
	char*			pcTelNo		/* I/ The Tel No. for searching		*/
	)
{
	int				iLoopCnt= 0;				/* Loop counter		*/
	int				iSrcRslt= TELSRC_RESULT_NG;	/* Search result	*/
	int				iRet	= TELSRC_RESULT_NG;	/* Return value		*/
	int				iCmpCnt	= 0;				/* Times for compare*/
	int				iCurPos	= 0;				/* Current char pos	*/
	S_TELSRC_DATA*	pstTelSrcData = NULL;		/* Tel No. data info*/


	/* Exception prevention											*/
	if(  NULL == pstTelSrc )
	{
		return TELSRC_RESULT_NG;
	}

	/* Data area get												*/
	pstTelSrcData = (S_TELSRC_DATA*)pstTelSrc->pstTelSrcData;

	/* Searching													*/
	for( iLoopCnt = 0; iLoopCnt < pstTelSrc->iDataNum; iLoopCnt++ )
	{

		/* Compare, output the result								*/
		iCmpCnt = strlen( pstTelSrcData->acTelNo ) - strlen(pcTelNo);
		for( iCurPos = 0; iCurPos <= iCmpCnt; iCurPos++ )
		{
			iSrcRslt = strncmp( 
				pstTelSrcData->acTelNo, pcTelNo, strlen(pcTelNo) );
			if( TELSRC_RESULT_OK == iSrcRslt )
			{
				if( (0 == iCurPos) && (0 == iCmpCnt) )
				{
					printf( "\nSearch OK(Complete match)!\n" ); 
					printf( "Tel  No: %s\n", pstTelSrcData->acTelNo );
					printf( "Address: %s\n", pstTelSrcData->acName );
					iRet = iSrcRslt;
				}
				else
				{
					printf( "\nSearch OK(Part match)!\n" );
					printf( "Tel  No: %s\n", pstTelSrcData->acTelNo );
					printf( "Address: %s\n", pstTelSrcData->acName );
					iRet = iSrcRslt;
				}

				break;
			}
		}

		/* Data area pointer get									*/
		pstTelSrcData ++;

	}


	/* Search NG, ouput	the result									*/
	if( TELSRC_RESULT_NG == iRet )
	{
		printf( "\nSearch NG! No corresponding Tel No.\n" );
	}

	return iRet;	
}

/********************************************************************/
/*	telsrc_datasrc_mem												*/
/*	----------------------------------------------------------------*/
/*	Input:															*/
/*		S_TELSRC*			:	Telphone search data area[IN]		*/
/*		char*				:	The Tel No. for searching[IN]		*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Output:															*/
/*		RETURN				:	RET_SUCCESS							*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Outline:														*/
/*		Tel No. search class handle free.							*/
/*	----------------------------------------------------------------*/
/*	Others:															*/
/*																	*/
/********************************************************************/
int telsrc_freehandle_mem(
	S_TELSRC*		pstTelSrc	/* I/ Telphone search data area		*/
	)
{
	/* Exception prevention											*/
	if( NULL == pstTelSrc )
	{
		return RET_SUCCESS;
	}

	/* Tel No. search class handle area free						*/
	free( pstTelSrc );
	pstTelSrc = NULL;

	return RET_SUCCESS;	
}

/********************************************************************/
/*	telsrc_datasrc_mem												*/
/*	----------------------------------------------------------------*/
/*	Input:															*/
/*		S_TELSRC*			:	Telphone search data area[OUT]		*/
/*		void*				:	Current memory pointer[IN]			*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Output:															*/
/*		RETURN				:	RET_SUCCESS							*/
/*								RET_FAILED							*/
/*																	*/
/*	----------------------------------------------------------------*/
/*	Outline:														*/
/*		Memory split and address set.								*/
/*	----------------------------------------------------------------*/
/*	Others:															*/
/*																	*/
/********************************************************************/
int telsrc_crehandle_mem_adrset(
	S_TELSRC*		pstTelSrc,	/* O / Telphone search data area	*/
	void*			pvMallocAdr	/* I / Current memory address		*/
	)
{
	/* Exception prevention											*/
	if( NULL == pvMallocAdr )
	{
		return RET_FAILED;
	}

	pstTelSrc		= (S_TELSRC*)pvMallocAdr;

	/*==============================================================*/
	/* Memory split and address set									*/
	/*==============================================================*/
	/* Current pointer offset to the end of S_TELSRC				*/
	pvMallocAdr		=(void*)((char*)pvMallocAdr + sizeof(S_TELSRC));
	pstTelSrc->pstTelSrcData
					= (S_TELSRC_DATA*)pvMallocAdr;

	return RET_SUCCESS;	
}

/*	End of file-----------------------------------------------------*/