100 lines
2.8 KiB
Awk
Executable File
100 lines
2.8 KiB
Awk
Executable File
#!/usr/bin/awk -f
|
|
#
|
|
# Copyright (c) 2000 "HOSOKAWA, Tatsumi" <hosokawa@FreeBSD.org>
|
|
# Copyright (c) 2002 Ruslan Ermilov <ru@FreeBSD.org>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
function usage()
|
|
{
|
|
print "usage: driver-remove.awk config_file BOOTMFS" > "/dev/stderr";
|
|
exit 1;
|
|
}
|
|
|
|
function err(eval, fmt, what)
|
|
{
|
|
printf "driver-remove.awk: " fmt "\n", what > "/dev/stderr";
|
|
exit eval;
|
|
}
|
|
|
|
function readconfig()
|
|
{
|
|
while ((r = (getline < config)) > 0) {
|
|
sub("#.*$", "");
|
|
if (sub(/^[[:alnum:]_]+[ \t]+[[:alnum:]_]+[ \t]+[0-9]+[ \t]+[[:alnum:]_]+[ \t]+\".*\"[ \t]*$/, "&")) {
|
|
sub(/[ \t]+/, "#");
|
|
sub(/[ \t]+/, "#");
|
|
sub(/[ \t]+/, "#");
|
|
sub(/[ \t]+/, "#");
|
|
sub(/\"/, "");
|
|
sub(/\"/, "");
|
|
split($0, arg, "#");
|
|
if (arg[4] == "options")
|
|
options[arg[1]] = 1;
|
|
else
|
|
drivers[arg[1]] = 1;
|
|
}
|
|
}
|
|
if (r == -1)
|
|
err(1, "error reading %s", config);
|
|
close(config);
|
|
}
|
|
|
|
BEGIN {
|
|
if (ARGC != 3)
|
|
usage();
|
|
|
|
config = ARGV[1];
|
|
bootmfs = ARGV[2];
|
|
|
|
readconfig();
|
|
|
|
lines = 0;
|
|
while ((r = (getline < bootmfs)) > 0) {
|
|
if (/^device[ \t]+[[:alnum:]_]+/) {
|
|
dev = $0;
|
|
sub(/^device[ \t]+/, "", dev);
|
|
sub(/[ \t]+.*$/, "", dev);
|
|
if (dev in drivers)
|
|
continue;
|
|
} else if (/^options[ \t]+[[:alnum:]_]+/) {
|
|
opt = $0;
|
|
sub(/^options[ \t]+/, "", opt);
|
|
sub(/[ \t]+.*$/, "", opt);
|
|
if (opt in options)
|
|
continue;
|
|
}
|
|
line[lines++] = $0;
|
|
}
|
|
if (r == -1)
|
|
err(1, "error reading %s", bootmfs);
|
|
close(bootmfs);
|
|
printf "" > bootmfs;
|
|
for (i = 0; i < lines; i++)
|
|
print line[i] >> bootmfs;
|
|
close(bootmfs);
|
|
}
|