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#!/usr/bin/perl -w
# (C) 2013 Free Software Foundation
# Contributed by Tobias Burnus
#
# This script is Free Software, and it can be copied, distributed and
# modified as defined in the GNU General Public License. A copy of
# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
use strict;
use File::Basename;
if ($#ARGV != 0 or $ARGV[0] eq "") {
my $name = basename($0);
print "\nUSAGE: `$name` memory.texi\n\n";
print "Reads GLIBC's manual/memory.texi and extracts the obstacks section\n"
."Redirect the output to update GCC's libiberty/obstacks.texi\n\n";
exit 1;
}
open (IN, "<$ARGV[0]") || die "Cannot open '$ARGV[0]': $!";
my $data = join ("", <IN>);
close (IN);
$data =~ s/.*\@node Obstacks\n/\@node Obstacks\n/s;
$data =~ s/\n\@node [^\n]+\n\@subsection.*/\n/s;
# Add refs to GLIBC
$data =~ s/(\@p?xref{[^}]*)}/$1, , , libc, The GNU C Library Reference Manual}/gs;
# And undo the refs which are in this file
my @nodes = grep /^\@node /, (split /\n/, $data);
foreach my $node (@nodes) {
$node =~ s/\@node //;
$node =~ s/,.*//;
$node =~ s/ / *\n?/g;
chomp ($node);
$data =~ s/(\@p?xref{$node), , , libc, The GNU C Library Reference Manual}/$1}/gsi;
}
print $data;
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