| Debugging Tools for Windows |
The Enable heap tail checking flag checks for buffer overruns when the heap is freed.
| Abbreviation | htc |
| Hexadecimal value | 0x10 |
| Symbolic Name | FLG_HEAP_ENABLE_TAIL_CHECK |
| Destination | System-wide registry entry, kernel flag, image file registry entry |
This flag adds a short pattern to the end of each allocation. The Windows heap manager detects the pattern when the block is freed and, if the block was modified, the heap manager breaks into the debugger.