db_env_set_func_rename(int (*func_rename)(const char *from, const char *to));
Replace Berkeley DB calls to the IEEE/ANSI Std 1003.1 (POSIX) rename interface
with func_rename, which must conform to the standard interface.
The db_env_set_func_rename method configures all operations performed by a process and
all of its threads of control, not operations confined to a single
Although the db_env_set_func_rename interface may be called at any time during the
life of the application, it should normally be called before making
calls to the db_env_create or db_create methods.
The db_env_set_func_rename method returns a non-zero error value on failure and 0 on success.
The db_env_set_func_rename method may fail and return a non-zero error for the following conditions:
- An invalid flag value or parameter was specified.
The db_env_set_func_rename method may fail and return a non-zero error for errors specified for other Berkeley DB and C library or system functions.
If a catastrophic error has occurred, the db_env_set_func_rename method may fail and
in which case all subsequent Berkeley DB calls will fail in the same way.
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