m4_comment([$Id: err.so,v 1.3 2004/09/28 14:13:09 bostic Exp $])m4_ref_title(Upgrading m4_db Applications,    [Release 4.3: DB_ENV-__GT__set_errcall, DB-__GT__set_errcall],,    upgrade.4.3/java, upgrade.4.3/cput)m4_p([dnlThe signature of the error callback passed to them4_ref(dbenv_set_errcall) and m4_refT(dbh_set_errcall)s has changed inthe 4.3 release.  For example, if you previously had a function such asthis:])m4_indent([dnlvoid handle_db_error(const char *prefix, char *message);])m4_p([dnlit should be changed to this:])m4_indent([dnlvoid handle_db_error(const DB_ENV *dbenv,    const char *prefix, const char *message);])m4_p([dnlThis change adds the m4_ref(DbEnv) handle to provide databaseenvironment context for the callback function, and incidentally makesit clear the message parameter cannot be changed by the callback.])m4_page_footer