test_s_open_error test to detect duplicate open.
[ruby-dev:27202]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/gdbm/gdbm.c (fgdbm_closed): new method GDBM#closed?
* ext/sdbm/init.c (fsdbm_closed): new method SDBM#closed?
* test/dbm/test_dbm.rb, test/gdbm/test_gdbm.rb, test/sdbm/test_sdbm.rb
(teardown): close all db objects before deleting data files.
* win32/win32.{ch} (unlink): hook runtime function to change
file attribute before unlinking.
fixed: [ruby-dev:26360]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8648 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
specify an open flag.
(Init_dbm): define open flags: DBM::READER, DBM::WRITER, DBM::WRCREAT
and DBM::NEWDB.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e