Grow Grows the size of the queue if the queue can be grown. RETURN: true if successful, else false NOTE: this is terribly inefficient and should only be used when absolutely necessary. ************************************************/
| 98 | only be used when absolutely necessary. |
| 99 | ************************************************/ |
| 100 | bool CUT_FIFO_Queue::Grow() { |
| 101 | |
| 102 | if(m_cbGrow == 0) |
| 103 | return false; |
| 104 | |
| 105 | LPBYTE pbNew = new BYTE[m_cbBuffer + m_cbGrow]; |
| 106 | |
| 107 | if(pbNew == NULL) |
| 108 | return false; |
| 109 | |
| 110 | int curSize = GetDataSize(); |
| 111 | |
| 112 | if(Peek(pbNew, curSize) != curSize) { |
| 113 | delete [] pbNew; |
| 114 | |
| 115 | return false; |
| 116 | } |
| 117 | |
| 118 | delete [] m_pbBuffer; |
| 119 | m_pbBuffer = pbNew; |
| 120 | m_cbBuffer += m_cbGrow; |
| 121 | m_iReadPointer = 0; |
| 122 | m_iWritePointer = curSize; |
| 123 | |
| 124 | return true; |
| 125 | } |
| 126 | |
| 127 | /*********************************************** |
| 128 | Read |
nothing calls this directly
no outgoing calls
no test coverage detected