CAMdataHandler::CAMdataHandler(long size, int dType) { allocateData(size,dType); setTypeFlag(dType); temporaryFlag = 0; referenceCount = 0; }
void CAMdataHandler::initialize(long size, int dType) { destroyData(); allocateData(size,dType); setTypeFlag(dType); temporaryFlag = 0; }
/* ** Delete any previous value and set the value to be a BLOB of length ** n containing all zeros. */ void sqlite3VdbeMemSetZeroBlob(Mem *pMem, int n){ sqlite3VdbeMemRelease(pMem); setTypeFlag(pMem, MEM_Blob); pMem->flags = MEM_Blob|MEM_Zero; pMem->type = SQLITE_BLOB; pMem->n = 0; if( n<0 ) n = 0; pMem->u.i = n; pMem->enc = SQLITE_UTF8; }
/* ** Convert pMem so that it has types MEM_Real or MEM_Int or both. ** Invalidate any prior representations. */ int sqlite3VdbeMemNumerify(Mem *pMem){ double r1, r2; i64 i; assert( (pMem->flags & (MEM_Int|MEM_Real|MEM_Null))==0 ); assert( (pMem->flags & (MEM_Blob|MEM_Str))!=0 ); assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); r1 = sqlite3VdbeRealValue(pMem); i = doubleToInt64(r1); r2 = (double)i; if( r1==r2 ){ sqlite3VdbeMemIntegerify(pMem); }else{ pMem->r = r1; setTypeFlag(pMem, MEM_Real); } return SQLITE_OK; }
CAMdataHandler::CAMdataHandler( const CAMdataHandler& A) { if(A.temporaryFlag == 1) { dataType = A.dataType; dataSize = A.dataSize; dataPointer = A.dataPointer; temporaryFlag = 0; referenceCount = 0; } else { allocateData(A.dataSize,A.dataType); setTypeFlag(A.dataType); copyData(A.dataSize,A.dataPointer); temporaryFlag = 0; referenceCount = 0; } }
void CAMdataHandler::initialize(const CAMdataHandler& A) { if(A.temporaryFlag == 1) { dataType = A.dataType; dataSize = A.dataSize; dataPointer = A.dataPointer; temporaryFlag = 0; } else { destroyData(); allocateData(A.dataSize,A.dataType); setTypeFlag(A.dataType); copyData(A.dataSize,A.dataPointer); temporaryFlag = 0; } }
// //******************************************************************************** // ASSIGNMENT //******************************************************************************** // CAMdataHandler& CAMdataHandler::operator =( const CAMdataHandler& A) { if(A.temporaryFlag == 1) { dataType = A.dataType; dataSize = A.dataSize; dataPointer = A.dataPointer; temporaryFlag = 0; referenceCount = 0; } else { destroyData(); allocateData(A.dataSize,A.dataType); setTypeFlag(A.dataType); copyData(A.dataSize,A.dataPointer); temporaryFlag = 0; referenceCount = 0; } return *this; }
/* ** Delete any previous value and set the value stored in *pMem to NULL. */ void sqlite3VdbeMemSetNull(Mem *pMem){ setTypeFlag(pMem, MEM_Null); pMem->type = SQLITE_NULL; }
/* ** Convert pMem so that it is of type MEM_Real. ** Invalidate any prior representations. */ int sqlite3VdbeMemRealify(Mem *pMem){ assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); pMem->r = sqlite3VdbeRealValue(pMem); setTypeFlag(pMem, MEM_Real); return SQLITE_OK; }
/* ** Convert pMem to type integer. Invalidate any prior representations. */ int sqlite3VdbeMemIntegerify(Mem *pMem){ assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); pMem->u.i = sqlite3VdbeIntValue(pMem); setTypeFlag(pMem, MEM_Int); return SQLITE_OK; }