use Config;
use strict;
-our $VERSION = "1.09_00";
+our $VERSION = "1.09_01";
my %err = ();
+my %wsa = ();
unlink "Errno.pm" if -f "Errno.pm";
open OUT, ">Errno.pm" or die "Cannot open Errno.pm: $!";
sub process_file {
my($file) = @_;
+ # for win32 perl under cygwin, we need to get a windows pathname
+ if ($^O eq 'MSWin32' && $Config{cc} =~ /\B-mno-cygwin\b/ &&
+ defined($file) && !-f $file) {
+ chomp($file = `cygpath -w "$file"`);
+ }
+
return unless defined $file and -f $file;
+# warn "Processing $file\n";
local *FH;
if (($^O eq 'VMS') && ($Config{vms_cc_type} ne 'gnuc')) {
while(<FH>) {
$err{$1} = 1
if /^\s*#\s*define\s+(E\w+)\s+/;
+ if ($^O eq 'MSWin32') {
+ $wsa{$1} = 1
+ if /^\s*#\s*define\s+WSA(E\w+)\s+/;
+ }
}
}
close(FH);
) {
# Some Linuxes have weird errno.hs which generate
# no #file or #line directives
- $file{'/usr/include/errno.h'} = 1;
+ my $linux_errno_h = -e '/usr/include/errno.h' ?
+ '/usr/include/errno.h' : '/usr/local/include/errno.h';
+ $file{$linux_errno_h} = 1;
} elsif ($^O eq 'MacOS') {
# note that we are only getting the GUSI errno's here ...
# we might miss out on compiler-specific ones
# hidden in a special place
$file{'/boot/develop/headers/posix/errno.h'} = 1;
+ } elsif ($^O eq 'vos') {
+ # avoid problem where cpp returns non-POSIX pathnames
+ $file{'/system/include_library/errno.h'} = 1;
} else {
open(CPPI,"> errno.c") or
die "Cannot open errno.c";
if ($^O eq 'NetWare') {
- print CPPI "#include <nwerrno.h>\n";
+ print CPPI "#include <nwerrno.h>\n";
} else {
- print CPPI "#include <errno.h>\n";
+ print CPPI "#include <errno.h>\n";
+ if ($^O eq 'MSWin32') {
+ print CPPI "#define _WINSOCKAPI_\n"; # don't drag in everything
+ print CPPI "#include <winsock.h>\n";
+ }
}
close(CPPI);
die "Cannot open errno.c";
if ($^O eq 'NetWare') {
- print CPPI "#include <nwerrno.h>\n";
- } else {
- print CPPI "#include <errno.h>\n";
+ print CPPI "#include <nwerrno.h>\n";
+ }
+ else {
+ print CPPI "#include <errno.h>\n";
+ }
+ if ($^O eq 'MSWin32') {
+ print CPPI "#include <winsock.h>\n";
+ foreach $err (keys %wsa) {
+ print CPPI "#ifndef $err\n";
+ print CPPI "#define $err WSA$err\n";
+ print CPPI "#endif\n";
+ $err{$err} = 1;
}
-
+ }
+
foreach $err (keys %err) {
print CPPI '"',$err,'" [[',$err,']]',"\n";
}
close(CPPI);
- unless ($^O eq 'MacOS') { # trust what we have
+ unless ($^O eq 'MacOS' || $^O eq 'beos') { # trust what we have / get later
# invoke CPP and read the output
if ($^O eq 'VMS') {
my($name,$expr);
next unless ($name, $expr) = /"(.*?)"\s*\[\s*\[\s*(.*?)\s*\]\s*\]/;
next if $name eq $expr;
- $expr =~ s/(\d+)[LU]+\b/$1/g; # 2147483647L et alia
+ $expr =~ s/\(?\([a-z_]\w*\)([^\)]*)\)?/$1/i; # ((type)0xcafebabe) at alia
+ $expr =~ s/((?:0x)?[0-9a-fA-F]+)[LU]+\b/$1/g; # 2147483647L et alia
+ next if $expr =~ m/^[a-zA-Z]+$/; # skip some Win32 functions
+ if($expr =~ m/^0[xX]/) {
+ $err{$name} = hex $expr;
+ }
+ else {
$err{$name} = eval $expr;
}
+ delete $err{$name} unless defined $err{$name};
+ }
close(CPPO);
}
# Many of the E constants (including ENOENT, which is being
# used in the Perl test suite a lot), are available only as
# enums in BeOS, so compiling and executing some code is about
- # only way to find out what the numeric Evalues are.
+ # only way to find out what the numeric Evalues are. In fact above, we
+ # didn't even bother to get the values of the ones that have numeric
+ # values, since we can get all of them here, anyway.
if ($^O eq 'beos') {
if (open(C, ">errno.c")) {
- my @zero = grep { !$err{$_} } keys %err;
+ my @allerrs = keys %err;
print C <<EOF;
#include <errno.h>
#include <stdio.h>
int main() {
EOF
- for (@zero) {
+ for (@allerrs) {
print C qq[printf("$_ %d\n", $_);]
}
print C "}\n";
die "Errno architecture ($Config{'archname'}-$Config{'osvers'}) does not match executable architecture (\$Config{'archname'}-\$Config{'osvers'})";
\$VERSION = "$VERSION";
+\$VERSION = eval \$VERSION;
\@ISA = qw(Exporter);
EDQ
sub EXISTS {
my ($self, $errname) = @_;
- my $proto = prototype($errname);
+ my $r = ref $errname;
+ my $proto = !$r || $r eq 'CODE' ? prototype($errname) : undef;
defined($proto) && $proto eq "";
}