From e68f4ac7dc5a55c16e560fa7796bb9981ec6833d Mon Sep 17 00:00:00 2001 From: akr Date: Thu, 10 Nov 2011 11:39:16 +0000 Subject: add comment. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33700 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/dbm/dbm.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'ext/dbm/dbm.c') diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c index 107818d2d9..6413f3a5ee 100644 --- a/ext/dbm/dbm.c +++ b/ext/dbm/dbm.c @@ -186,6 +186,8 @@ fdbm_initialize(int argc, VALUE *argv, VALUE obj) * It doesn't provide dbm_pagfno() and dbm_dirfno(). * 1992: 4.4BSD Alpha provides Berkeley DB with dbm_dirfno() as a function. * dbm_pagfno() is a macro as DBM_PAGFNO_NOT_AVAILABLE. + * 1997: Berkeley DB 2.0 is released by Sleepycat Software, Inc. + * It defines dbm_pagfno() and dbm_dirfno() as macros. * 2011: gdbm-1.9 creates a separate dir file. * dbm_pagfno() and dbm_dirfno() returns different descriptors. */ -- cgit v1.2.3