void DB_ENV->set_msgfile(DB_ENV *dbenv, FILE *msgfile);
void DB_ENV->get_msgfile(DB_ENV *dbenv, FILE **msgfilep);
There are interfaces in the Berkeley DB library which either directly output informational messages or statistical information, or configure the library to output such messages when performing other operations, for example, DB_ENV->set_verbose and DB_ENV->stat_print.
The DB_ENV->set_msgfile and DB->set_msgfile methods are used to display these messages for the application. In this case the message will include a trailing <newline> character.
Setting msgfile to NULL unconfigures the interface.
Alternatively, you can use the DB_ENV->set_msgcall or DB->set_msgcall methods to capture the additional error information in a way that does not use C library FILE *'s.
The DB_ENV->set_msgfile method may be called at any time during the life of the application.
The DB_ENV->get_msgfile method returns the .
The DB_ENV->get_msgfile method may be called at any time during the life of the application.
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