Subject: Re: turning sendmail into a symlink
To: Perry E. Metzger <firstname.lastname@example.org>
From: Todd Vierling <email@example.com>
Date: 12/08/1998 16:57:41
On Tue, 8 Dec 1998, Perry E. Metzger wrote:
: > Since NO_SENDMAIL is there,
: No, that is not the answer. NO_SENDMAIL is a temporary hack.
That's my point; I left out a portion of a sentence. "Since it's there as a
temporary fix, it is possible to go about this the right way, and..."
: > I'll draw up a proposal for a config based
: > system and actually write the code so everyone is happy. <sigh>
: > (C, not script, for lower overhead of both reading the conf file and
: > exec()ing the real mailer.)
: If the script is long enough to require C, something is probably wrong...
The overhead of execing /bin/sh, doing shell interpretation to read
sendmail.conf [or whatever], and determining what to run, reformatting the
args to get quoting right, is a lot higher than (pseudo):
FILE *f = fopen(sendmail.conf, r)
fread(sendmail.conf, prog) until proper line found
In the case of `sendmail' proper, where things like mailing lists are
involved, this is a much faster solution.
-- Todd Vierling (Personal firstname.lastname@example.org; Bus. email@example.com)