自学教程：C++ DBG_PRINTF函数代码示例

/********************************************************************** * 函数名称： MapFile * 功能描述： 使用mmap函数映射一个文件到内存,以后就可以直接通过内存来访问文件 * 输入参数： ptFileMap - 内含文件名strFileName * 输出参数： ptFileMap - tFp           : 所打开的文件句柄 *                        iFileSize     : 文件大小 *                        pucFileMapMem : 映射内存的首地址 * 返 回 值： 0      - 成功 *            其他值 - 失败 * 修改日期        版本号     修改人	      修改内容 * ----------------------------------------------- * 2013/02/08	     V1.0	  韦东山	      创建 ***********************************************************************/int MapFile(PT_FileMap ptFileMap){	int iFd;    FILE *tFp;	struct stat tStat;		/* 打开文件 */	tFp = fopen(ptFileMap->strFileName, "r+");	if (tFp == NULL)	{		DBG_PRINTF("can't open %s/n", ptFileMap->strFileName);		return -1;	}	ptFileMap->tFp = tFp;	/*fileno()用来取得参数stream指定的文件流所使用的文件描述符*/    iFd = fileno(tFp);	fstat(iFd, &tStat);	ptFileMap->iFileSize = tStat.st_size;	ptFileMap->pucFileMapMem = (unsigned char *)mmap(NULL , tStat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, iFd, 0);	if (ptFileMap->pucFileMapMem == (unsigned char *)-1)	{		DBG_PRINTF("mmap error!/n");		return -1;	}	return 0;}

/******************************************************************************** Function Name: CscsInit()********************************************************************************** Summary:*   Initializes the Cycling Speed and Cadence Service.********************************************************************************/void CscsInit(void){    uint8 buff[CSC_MEASUREMENT_CHAR_SIZE];    /* Register service specific callback function */    CyBle_CscsRegisterAttrCallback(CscsCallback);    /* Get initial value of CSC Measurement Characteristic */    if(CyBle_CscssGetCharacteristicValue(CYBLE_CSCS_CSC_MEASUREMENT, CSC_MEASUREMENT_CHAR_SIZE, buff) !=            CYBLE_ERROR_OK)    {        DBG_PRINTF("Failed to read the CSC Measurement value./r/n");    }    /* Set initial CSC Characteristic flags as per values set in the customizer */    cscFlags = buff[0u];    /* Get the CSC Feature */    /* Get the characteristic into the buffer */    if((CyBle_CscssGetCharacteristicValue(CYBLE_CSCS_CSC_FEATURE, CSC_FEATURE_SIZE, buff)) == CYBLE_ERROR_OK)    {        cscFeature = (uint16) ((((uint16) buff[1u]) << ONE_BYTE_SHIFT) | ((uint16) buff[0u]));    }    else    {        DBG_PRINTF("Failed to read the CSC Feature value./r/n");    }}

voiddb_error_dialog::handle_error(){  int btn_id = m_btn_group->checkedId();  DBG_PRINTF(3, "handle_error clicked=%d", btn_id);  if (btn_id == action_quit) {    gl_pApplication->cleanup();    // we want to really quit, not just leave the main event loop    ::exit(1);  }  if (btn_id == action_reconnect) {    db_cnx db;    if (!db.ping()) {      DBG_PRINTF(3, "No reply to database ping");      if (!db.datab()->reconnect()) {	DBG_PRINTF(3, "Failed to reconnect to database");	return;      }      else {	DBG_PRINTF(3, "Database reconnect successful");      }    }      }  // when btn_id == action_continue, there is nothing to do.  close();}

static int FreeTypeFontInit(char *pcFontFile, unsigned int dwFontSize){	int iError;	/* 
C++ DBG_PRT函数代码示例
C++ DBG_PRINT函数代码示例