295 lines
10 KiB
Perl
295 lines
10 KiB
Perl
#!/usr/bin/env perl
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use strict;
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use warnings;
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use Getopt::Long;
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use File::Find 'find';
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use File::Basename 'basename';
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use File::Glob 'bsd_glob';
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sub read_file {
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my $f = shift;
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open my $fh, "<", $f or die "FATAL: read_rawfile() cannot open file '$f': $!";
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binmode $fh;
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return do { local $/; <$fh> };
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}
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sub write_file {
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my ($f, $data) = @_;
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die "FATAL: write_file() no data" unless defined $data;
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open my $fh, ">", $f or die "FATAL: write_file() cannot open file '$f': $!";
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binmode $fh;
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print $fh $data or die "FATAL: write_file() cannot write to '$f': $!";
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close $fh or die "FATAL: write_file() cannot close '$f': $!";
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return;
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}
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sub check_source {
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my @all_files = (
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bsd_glob("makefile*"),
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bsd_glob("*.{h,c,sh,pl}"),
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bsd_glob("*/*.{h,c,sh,pl}"),
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);
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my $fails = 0;
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for my $file (sort @all_files) {
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my $troubles = {};
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my $lineno = 1;
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my $content = read_file($file);
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push @{$troubles->{crlf_line_end}}, '?' if $content =~ /\r/;
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for my $l (split /\n/, $content) {
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push @{$troubles->{merge_conflict}}, $lineno if $l =~ /^(<<<<<<<|=======|>>>>>>>)([^<=>]|$)/;
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push @{$troubles->{trailing_space}}, $lineno if $l =~ / $/;
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push @{$troubles->{tab}}, $lineno if $l =~ /\t/ && basename($file) !~ /^makefile/i;
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push @{$troubles->{non_ascii_char}}, $lineno if $l =~ /[^[:ascii:]]/;
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push @{$troubles->{cpp_comment}}, $lineno if $file =~ /\.(c|h)$/ && ($l =~ /\s\/\// || $l =~ /\/\/\s/);
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# we prefer using XMALLOC, XFREE, XREALLOC, XCALLOC ...
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push @{$troubles->{unwanted_malloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmalloc\s*\(/;
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push @{$troubles->{unwanted_realloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\brealloc\s*\(/;
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push @{$troubles->{unwanted_calloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bcalloc\s*\(/;
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push @{$troubles->{unwanted_free}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bfree\s*\(/;
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# and we probably want to also avoid the following
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push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
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push @{$troubles->{unwanted_memset}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemset\s*\(/;
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push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
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push @{$troubles->{unwanted_memmove}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemmove\s*\(/;
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push @{$troubles->{unwanted_memcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcmp\s*\(/;
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push @{$troubles->{unwanted_strcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcmp\s*\(/;
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push @{$troubles->{unwanted_strcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcpy\s*\(/;
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push @{$troubles->{unwanted_strncpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrncpy\s*\(/;
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push @{$troubles->{unwanted_clock}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bclock\s*\(/;
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push @{$troubles->{unwanted_qsort}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bqsort\s*\(/;
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push @{$troubles->{sizeof_no_brackets}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bsizeof\s*[^\(]/;
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if ($file =~ m|^[^\/]+\.c$| && $l =~ /^static(\s+[a-zA-Z0-9_]+)+\s+([a-zA-Z0-9_]+)\s*\(/) {
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my $funcname = $2;
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# static functions should start with s_
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push @{$troubles->{staticfunc_name}}, "$lineno($funcname)" if $funcname !~ /^s_/;
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}
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$lineno++;
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}
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for my $k (sort keys %$troubles) {
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warn "[$k] $file line:" . join(",", @{$troubles->{$k}}) . "\n";
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$fails++;
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}
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}
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warn( $fails > 0 ? "check-source: FAIL $fails\n" : "check-source: PASS\n" );
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return $fails;
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}
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sub check_comments {
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my $fails = 0;
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my $first_comment = <<'MARKER';
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/* LibTomMath, multiple-precision integer library -- Tom St Denis
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*
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* LibTomMath is a library that provides multiple-precision
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* integer arithmetic as well as number theoretic functionality.
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*
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* The library was designed directly after the MPI library by
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* Michael Fromberger but has been written from scratch with
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* additional optimizations in place.
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*
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* SPDX-License-Identifier: Unlicense
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*/
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MARKER
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my $last_comment = <<'MARKER';
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/* ref: $Format:%D$ */
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/* git commit: $Format:%H$ */
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/* commit time: $Format:%ai$ */
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MARKER
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#my @all_files = (bsd_glob("*.{h,c}"), bsd_glob("*/*.{h,c}"));
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my @all_files = (bsd_glob("*.{h,c}"));
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for my $f (@all_files) {
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my $txt = read_file($f);
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if ($txt !~ /\Q$first_comment\E/s) {
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warn "[first_comment] $f\n";
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$fails++;
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}
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if ($txt !~ /\Q$last_comment\E\s*$/s) {
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warn "[last_comment] $f\n";
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$fails++;
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}
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}
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warn( $fails > 0 ? "check-comments: FAIL $fails\n" : "check-comments: PASS\n" );
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return $fails;
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}
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sub prepare_variable {
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my ($varname, @list) = @_;
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my $output = "$varname=";
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my $len = length($output);
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foreach my $obj (sort @list) {
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$len = $len + length $obj;
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$obj =~ s/\*/\$/;
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if ($len > 100) {
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$output .= "\\\n";
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$len = length $obj;
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}
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$output .= $obj . ' ';
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}
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$output =~ s/ $//;
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return $output;
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}
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sub prepare_msvc_files_xml {
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my ($all, $exclude_re, $targets) = @_;
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my $last = [];
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my $depth = 2;
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# sort files in the same order as visual studio (ugly, I know)
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my @parts = ();
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for my $orig (@$all) {
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my $p = $orig;
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$p =~ s|/|/~|g;
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$p =~ s|/~([^/]+)$|/$1|g;
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my @l = map { sprintf "% -99s", $_ } split /\//, $p;
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push @parts, [ $orig, join(':', @l) ];
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}
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my @sorted = map { $_->[0] } sort { $a->[1] cmp $b->[1] } @parts;
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my $files = "<Files>\r\n";
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for my $full (@sorted) {
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my @items = split /\//, $full; # split by '/'
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$full =~ s|/|\\|g; # replace '/' bt '\'
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shift @items; # drop first one (src)
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pop @items; # drop last one (filename.ext)
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my $current = \@items;
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if (join(':', @$current) ne join(':', @$last)) {
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my $common = 0;
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$common++ while ($last->[$common] && $current->[$common] && $last->[$common] eq $current->[$common]);
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my $back = @$last - $common;
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if ($back > 0) {
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$files .= ("\t" x --$depth) . "</Filter>\r\n" for (1..$back);
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}
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my $fwd = [ @$current ]; splice(@$fwd, 0, $common);
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for my $i (0..scalar(@$fwd) - 1) {
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$files .= ("\t" x $depth) . "<Filter\r\n";
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$files .= ("\t" x $depth) . "\tName=\"$fwd->[$i]\"\r\n";
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$files .= ("\t" x $depth) . "\t>\r\n";
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$depth++;
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}
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$last = $current;
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}
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$files .= ("\t" x $depth) . "<File\r\n";
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$files .= ("\t" x $depth) . "\tRelativePath=\"$full\"\r\n";
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$files .= ("\t" x $depth) . "\t>\r\n";
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if ($full =~ $exclude_re) {
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for (@$targets) {
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$files .= ("\t" x $depth) . "\t<FileConfiguration\r\n";
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$files .= ("\t" x $depth) . "\t\tName=\"$_\"\r\n";
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$files .= ("\t" x $depth) . "\t\tExcludedFromBuild=\"true\"\r\n";
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$files .= ("\t" x $depth) . "\t\t>\r\n";
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$files .= ("\t" x $depth) . "\t\t<Tool\r\n";
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$files .= ("\t" x $depth) . "\t\t\tName=\"VCCLCompilerTool\"\r\n";
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$files .= ("\t" x $depth) . "\t\t\tAdditionalIncludeDirectories=\"\"\r\n";
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$files .= ("\t" x $depth) . "\t\t\tPreprocessorDefinitions=\"\"\r\n";
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$files .= ("\t" x $depth) . "\t\t/>\r\n";
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$files .= ("\t" x $depth) . "\t</FileConfiguration>\r\n";
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}
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}
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$files .= ("\t" x $depth) . "</File>\r\n";
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}
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$files .= ("\t" x --$depth) . "</Filter>\r\n" for (@$last);
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$files .= "\t</Files>";
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return $files;
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}
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sub patch_file {
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my ($content, @variables) = @_;
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for my $v (@variables) {
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if ($v =~ /^([A-Z0-9_]+)\s*=.*$/si) {
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my $name = $1;
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$content =~ s/\n\Q$name\E\b.*?[^\\]\n/\n$v\n/s;
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}
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else {
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die "patch_file failed: " . substr($v, 0, 30) . "..";
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}
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}
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return $content;
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}
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sub version_from_tomcrypt_h {
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my $h = read_file(shift);
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if ($h =~ /\n#define\s*SCRYPT\s*"([0-9]+)\.([0-9]+)\.([0-9]+)(.*)"/s) {
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return "VERSION_PC=$1.$2.$3", "VERSION_LT=1:1", "VERSION=$1.$2.$3$4", "PROJECT_NUMBER=$1.$2.$3$4";
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}
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else {
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die "#define SCRYPT not found in tomcrypt.h";
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}
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}
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sub process_makefiles {
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my $write = shift;
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my $changed_count = 0;
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my @o = map { my $x = $_; $x =~ s/\.c$/.o/; $x } bsd_glob("*.c");
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my @all = bsd_glob("*.{c,h}");
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my $var_o = prepare_variable("OBJECTS", @o);
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(my $var_obj = $var_o) =~ s/\.o\b/.obj/sg;
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# update MSVC project files
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my $msvc_files = prepare_msvc_files_xml(\@all, qr/NOT_USED_HERE/, ['Debug|Win32', 'Release|Win32', 'Debug|x64', 'Release|x64']);
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for my $m (qw/libtommath_VS2008.vcproj/) {
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my $old = read_file($m);
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my $new = $old;
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$new =~ s|<Files>.*</Files>|$msvc_files|s;
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if ($old ne $new) {
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write_file($m, $new) if $write;
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warn "changed: $m\n";
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$changed_count++;
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}
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}
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# update OBJECTS + HEADERS in makefile*
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for my $m (qw/ makefile makefile.shared makefile_include.mk makefile.msvc makefile.unix makefile.mingw /) {
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my $old = read_file($m);
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my $new = $m eq 'makefile.msvc' ? patch_file($old, $var_obj)
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: patch_file($old, $var_o);
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if ($old ne $new) {
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write_file($m, $new) if $write;
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warn "changed: $m\n";
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$changed_count++;
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}
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}
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if ($write) {
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return 0; # no failures
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}
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else {
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warn( $changed_count > 0 ? "check-makefiles: FAIL $changed_count\n" : "check-makefiles: PASS\n" );
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return $changed_count;
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}
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}
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sub die_usage {
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die <<"MARKER";
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usage: $0 -s OR $0 --check-source
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$0 -o OR $0 --check-comments
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$0 -m OR $0 --check-makefiles
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$0 -a OR $0 --check-all
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$0 -u OR $0 --update-makefiles
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MARKER
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}
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GetOptions( "s|check-source" => \my $check_source,
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"o|check-comments" => \my $check_comments,
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"m|check-makefiles" => \my $check_makefiles,
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"a|check-all" => \my $check_all,
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"u|update-makefiles" => \my $update_makefiles,
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"h|help" => \my $help
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) or die_usage;
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my $failure;
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$failure ||= check_source() if $check_all || $check_source;
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$failure ||= check_comments() if $check_all || $check_comments;
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$failure ||= process_makefiles(0) if $check_all || $check_makefiles;
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$failure ||= process_makefiles(1) if $update_makefiles;
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die_usage unless defined $failure;
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exit $failure ? 1 : 0;
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# ref: $Format:%D$
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# git commit: $Format:%H$
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# commit time: $Format:%ai$
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