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Berkeley DB: DB_ENV->set_errpfx
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DB_ENV->set_errpfx
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#include <db.h>
void
DB_ENV->set_errpfx(DB_ENV *dbenv, const char *errpfx);
void
DB_ENV->get_errpfx(DB_ENV *dbenv, const char **errpfxp);
Description: DB_ENV->set_errpfx
Set the prefix string that appears before error messages issued by Berkeley DB.
The DB->set_errpfx and DB_ENV->set_errpfx methods do not copy
the memory to which the errpfx parameter refers; rather, they
maintain a reference to it. Although this allows applications to modify
the error message prefix at any time (without repeatedly calling the
interfaces), it means the memory must be maintained until the handle is
closed.
The DB_ENV->set_errpfx method configures operations performed using the specified
DB_ENV handle, not all operations performed on the underlying
database environment.
The DB_ENV->set_errpfx method may be called at any time during the life of the
application.
Parameters
errpfx- The errpfx parameter is the application-specified error prefix
for additional error messages.
Description: DB_ENV->get_errpfx
The DB_ENV->get_errpfx method returns the error prefix.
The DB_ENV->get_errpfx method may be called at any time during the life of the
application.
The DB_ENV->get_errpfx method
returns a non-zero error value on failure
and 0 on success.
Parameters
errpfxp- The DB_ENV->get_errpfx method returns a reference to the
error prefix in errpfxp.
Class
DB_ENV
See Also
Database Environments and Related Methods
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