Date: Mon, 08 Dec 2014 14:40:46 -0800 From: Kirk McKusick <mckusick@mckusick.com> To: Thomas Dickey <dickey@his.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, Erik Trulsson <Erik.Trulsson.1013@student.uu.se>, Garrett Cooper <yaneurabeya@gmail.com>, jkh@freebsd.org Subject: Re: Reason for reordering /usr/share/misc/termcap.src for /usr/share/misc/termcap ? Message-ID: <201412082240.sB8Mek7a065468@chez.mckusick.com> In-Reply-To: <1479779318.56241253.1418076402148.JavaMail.root@his.com>
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> Date: Mon, 8 Dec 2014 17:06:42 -0500 (EST) > From: Thomas Dickey <dickey@his.com> > To: Kirk McKusick <mckusick@mckusick.com> > Cc: Erik Trulsson <Erik.Trulsson.1013@student.uu.se>, > FreeBSD Hackers <freebsd-hackers@freebsd.org>, jkh@freebsd.org, > Garrett Cooper <yaneurabeya@gmail.com> > Subject: Re: Reason for reordering /usr/share/misc/termcap.src for > /usr/share/misc/termcap ? > X-ASK-Info: Message Queued (2014/12/08 14:06:59) > X-ASK-Info: Confirmed by User (2014/12/08 14:07:49) > > ----- Original Message ----- > | From: "Kirk McKusick" <mckusick@mckusick.com> > | To: "Garrett Cooper" <yaneurabeya@gmail.com> > | Cc: "Erik Trulsson" <Erik.Trulsson.1013@student.uu.se>, "FreeBSD Hackers" <freebsd-hackers@freebsd.org>, > | jkh@freebsd.org, dickey@his.com > | Sent: Monday, December 8, 2014 11:51:37 AM > | Subject: Re: Reason for reordering /usr/share/misc/termcap.src for /usr/share/misc/termcap ? > ... > | > | I believe Erik Trulsson's answer is correct. Termcap had grown very > | large and on sub-1-MIP computers took a noticable delay to read on > | every startup of programs using it. So, it was reordered to reduce > | the startup time on common terminals. As Erik points out this > | optimization > | is no longer necessary as termcap is now placed in a database. Not to > | mention that there are far fewer entries in it today than there were > | at the peak of its existence. > > Actually, the current file in the repository is 10% longer (4667 > lines vs 4007) than the first check-in. Where might I find a larger > example (of BSD termcap) such as you are referring to? > > -- > Thomas E. Dickey <dickey@invisible-island.net> > http://invisible-island.net > ftp://invisible-island.net You are correct that it is now longer that it used to be. I (mistakenly) thought that the old cruft had been dropped. We can probbly do without Kaypro and Radio Shack trs-80 and trs100 support to name just three :-) Kirk McKusick
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