#!/usr/bin/perl -w
use strict;
-use vars qw($Needs_Write $Verbose @Changed $TAP);
+our (@Changed, $TAP);
use File::Compare;
use Symbol;
use Text::Wrap();
# Common functions needed by the regen scripts
-$Needs_Write = $^O eq 'cygwin' || $^O eq 'os2' || $^O eq 'MSWin32';
+our $Needs_Write = $^O eq 'cygwin' || $^O eq 'os2' || $^O eq 'MSWin32';
-$Verbose = 0;
+our $Verbose = 0;
@ARGV = grep { not($_ eq '-q' and $Verbose = -1) }
grep { not($_ eq '--tap' and $TAP = 1) }
grep { not($_ eq '-v' and $Verbose = 1) } @ARGV;
my ($final_name, $mode, $header, $force) = @_;
my $name = $final_name . '-new';
my $lang = $final_name =~ /\.pod$/ ? 'Pod' :
- $final_name =~ /\.(?:c|h|tab|act)$/ ? 'C' : 'Perl';
+ $final_name =~ /\.(?:c|h|inc|tab|act)$/ ? 'C' : 'Perl';
if ($force && -e $final_name) {
chmod 0777, $name if $Needs_Write;
CORE::unlink $final_name
if (-f $name) {
unlink $name or die "$name exists but can't unlink: $!";
}
- open $fh, ">$name" or die "Can't create $name: $!";
+ open $fh, '>', $name or die "Can't create $name: $!";
} elsif ($mode eq '>>') {
- open $fh, ">>$name" or die "Can't append to $name: $!";
+ open $fh, '>>', $name or die "Can't append to $name: $!";
} else {
die "Unhandled open mode '$mode'";
}
close $fh or die "Error closing $name: $!";
if ($TAP) {
- my $not = compare($name, $final_name) ? 'not ' : '';
- print STDOUT $not . "ok - $0 $final_name\n";
+ # Don't use compare because if there are errors it doesn't give any
+ # way to generate diagnostics about what went wrong.
+ # These files are small enough to read into memory.
+ local $/;
+ # This is the file we just closed, so it should open cleanly:
+ open $fh, '<', $name
+ or die "Can't open '$name': $!";
+ my $want = <$fh>;
+ die "Can't read '$name': $!"
+ unless defined $want;
+ close $fh
+ or die "Can't close '$name': $!";
+
+ my $fail;
+ if (!open $fh, '<', $final_name) {
+ $fail = "Can't open '$final_name': $!";
+ } else {
+ my $have = <$fh>;
+ if (!defined $have) {
+ $fail = "Can't read '$final_name': $!";
+ close $fh;
+ } elsif (!close $fh) {
+ $fail = "Can't close '$final_name': $!";
+ } elsif ($want ne $have) {
+ $fail = "'$name' and '$final_name' differ";
+ }
+ }
+ if ($fail) {
+ print STDOUT "not ok - $0 $final_name\n";
+ print STDERR "$fail\n";
+ } else {
+ print STDOUT "ok - $0 $final_name\n";
+ }
safer_unlink($name);
return;
}
if ($sources) {
$comment = "Generated from:\n";
foreach my $file (sort @$sources) {
- my $digest = digest($file);
+ my $digest = (-e $file)
+ ? digest($file)
+ # Use a random number that won't match the real
+ # digest, so will always show as out-of-date, so
+ # Porting tests likely will fail drawing attention
+ # to the problem.
+ : int(rand(1_000_000));
$comment .= "$digest $file\n";
}
}
require Digest::SHA;
local ($/, *FH);
- open FH, "$file" or die "Can't open $file: $!";
+ open FH, '<', $file or die "Can't open $file: $!";
my $raw = <FH>;
close FH or die "Can't close $file: $!";
return Digest::SHA::sha256_hex($raw);
Text::Wrap::wrap(@_);
}
+# return the perl version as defined in patchlevel.h.
+# (we may be being run by another perl, so $] won't be right)
+# return e.g. (5, 14, 3, "5.014003")
+
+sub perl_version {
+ my $plh = 'patchlevel.h';
+ open my $fh, "<", $plh or die "can't open '$plh': $!\n";
+ my ($v1,$v2,$v3);
+ while (<$fh>) {
+ $v1 = $1 if /PERL_REVISION\s+(\d+)/;
+ $v2 = $1 if /PERL_VERSION\s+(\d+)/;
+ $v3 = $1 if /PERL_SUBVERSION\s+(\d+)/;
+ }
+ die "can't locate PERL_REVISION in '$plh'" unless defined $v1;
+ die "can't locate PERL_VERSION in '$plh'" unless defined $v2;
+ die "can't locate PERL_SUBVERSION in '$plh'" unless defined $v3;
+ return ($v1,$v2,$v3, sprintf("%d.%03d%03d", $v1, $v2, $v3));
+}
+
+
1;