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#!/usr/bin/env perl
use warnings;
use strict;
#
# libslack - https://libslack.org
#
# Copyright (C) 1999-2004, 2010, 2020-2023 raf <raf@raf.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses/>.
#
# 20230824 raf <raf@raf.org>
#
# Compares the function prototypes in each module's header file against the
# function prototypes in the pod manpage source. All differences are reported.
die("usage: $0 *.c\n") if $#ARGV == -1;
my @src;
my @hdr;
for my $src (@ARGV)
{
next unless $src =~ /\.c$/;
next if $src eq 'getopt.c';
next if $src eq 'hsort.c';
next if $src eq 'vsscanf.c';
my $hdr = $src;
$hdr =~ s/\.c$/.h/;
my $src_state = '';
my $hdr_state = '';
@src = ();
@hdr = ();
my $done_rwlock_skip = 0;
open(SRC, $src) or die("failed to open $src\n");
while (<SRC>)
{
next if $_ =~ /^$/;
next if $_ =~ /^\s+#/;
$src_state = $1, next if $_ =~ /^=head1 (.*)$/;
if ($src_state eq 'DESCRIPTION' && $_ =~ /^=item [CI]<(.*)>$/)
{
my $proto = $1 . ';';
next if $proto =~ /^ #define/;
next unless $proto =~ /^extern/ || $proto =~ /\);$/;
push(@src, $proto);
}
}
close(SRC);
open(HDR, $hdr) or die("failed to open $hdr\n");
while (<HDR>)
{
if ($_ =~ /^#ifndef HAVE_PTHREAD_RWLOCK/ && $done_rwlock_skip == 0)
{
my $jnk;
do { $jnk = <HDR>; } while $jnk !~ /^#endif$/;
$done_rwlock_skip = 1;
}
next if $_ =~ /^$/;
next if $_ =~ /^#/;
next if $_ =~ /^\//;
next if $_ =~ /^\*/;
$hdr_state = 'decls', next if $_ =~ /^_begin_decls$/;
last if $_ =~ /^_end_decls$/;
if ($hdr_state eq 'decls')
{
my $proto = $_;
#warn "$hdr: _args missing: $proto\n" if $proto =~ /\);\s*$/ && $proto !~ / _args /;
#$proto =~ s/ _args \(//;
#$proto =~ s/\)\);/);/;
chop($proto);
push(@hdr, $proto);
}
}
close(HDR);
show("$src != $hdr (line number mismatch)"), next if $#src != $#hdr;
my $i;
my $first = 1;
for ($i = 0; $i <= $#src; ++$i)
{
if ($src[$i] ne $hdr[$i])
{
print("$src != $hdr\n") if $first;
print("doc = $src[$i]\n");
print("hdr = $hdr[$i]\n");
$first = 0;
}
}
print("\n") unless $first;
}
sub show
{
my ($msg) = @_;
print("$msg\n");
print("-- doc ---\n");
my $i;
for ($i = 0; $i <= $#src; ++$i)
{
print("$src[$i]\n");
}
print("-- hdr ---\n");
for ($i = 0; $i <= $#hdr; ++$i)
{
print("$hdr[$i]\n");
}
print("----------\n\n");
}
# vi:set ts=4 sw=4:
|
