POWERSAFE_OVERWRITE
The SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode is used to set or query the persistent "powersafe-overwrite" or "PSOW" setting. The PSOW setting determines the SQLITE_IOCAP_POWERSAFE_OVERWRITE bit of the xDeviceCharacteristics methods. The fourth parameter to sqlite3_file_control() for this opcode should be a pointer to an integer. That integer is 0 to disable zero-damage mode or 1 to enable zero-damage mode. If the integer is -1, then it is overwritten with the current zero-damage mode setting.