Date: Thu, 02 Jan 2003 19:52:02 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: kientzle@acm.org Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Reading rc.conf from C programs? Message-ID: <20030102.195202.80212471.imp@bsdimp.com> In-Reply-To: <3E1362FD.6070001@acm.org> References: <3E1362FD.6070001@acm.org>
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In message: <3E1362FD.6070001@acm.org>
Tim Kientzle <kientzle@acm.org> writes:
: I'm trying to figure out how to read and use
: /etc/rc.conf configuration variables from within
: a C program. The standard technique, of course,
: is to use a shell-script wrapper and pass the
: extracted values to the C program on the command
: line. But I want access to _all_ of the rc.conf
: variables, not just a couple of them, and I don't
: see any reasonable way to accomplish that with a
: shell wrapper.
The easy way to do this would be to exec a small shell script that
execs /etc/rc.conf, et al, then execs your program. Then it is as
simple as getenv...
Warner
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