use Config;
use strict;
-our $VERSION = "1.111";
+our $VERSION = "1.09_00";
my %err = ();
+my %wsa = ();
unlink "Errno.pm" if -f "Errno.pm";
open OUT, ">Errno.pm" or die "Cannot open Errno.pm: $!";
my($file) = @_;
return unless defined $file and -f $file;
+# warn "Processing $file\n";
local *FH;
if (($^O eq 'VMS') && ($Config{vms_cc_type} ne 'gnuc')) {
warn "Cannot open '$file'";
return;
}
- } elsif ($Config{gccversion} ne '') {
+ } elsif ($Config{gccversion} ne ''
+ # OpenSTEP has gcc 2.7.2.1 which recognizes but
+ # doesn't implement the -dM flag.
+ && $^O ne 'openstep' && $^O ne 'next' && $^O ne 'darwin'
+ ) {
# With the -dM option, gcc outputs every #define it finds
- unless(open(FH,"$Config{cc} -E -dM $file |")) {
+ unless(open(FH,"$Config{cc} -E -dM $Config{cppflags} $file |")) {
warn "Cannot open '$file'";
return;
}
return;
}
}
- while(<FH>) {
- $err{$1} = 1
- if /^\s*#\s*define\s+(E\w+)\s+/;
- }
- close(FH);
+
+ if ($^O eq 'MacOS') {
+ while(<FH>) {
+ $err{$1} = $2
+ if /^\s*#\s*define\s+(E\w+)\s+(\d+)/;
+ }
+ } else {
+ 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);
}
my $cppstdin;
} elsif ($^O eq 'vmesa') {
# OS/390 C compiler doesn't generate #file or #line directives
$file{'../../vmesa/errno.h'} = 1;
- } elsif ($^O eq 'linux') {
+ } elsif ($Config{archname} eq 'epoc') {
+ # Watch out for cross compiling for EPOC (usually done on linux)
+ $file{'/usr/local/epocemx/epocsdk/include/libc/sys/errno.h'} = 1;
+ } elsif ($^O eq 'linux' &&
+ $Config{gccversion} ne '' # might be using, say, Intel's icc
+ ) {
# Some Linuxes have weird errno.hs which generate
# no #file or #line directives
$file{'/usr/include/errno.h'} = 1;
+ } elsif ($^O eq 'MacOS') {
+ # note that we are only getting the GUSI errno's here ...
+ # we might miss out on compiler-specific ones
+ $file{"$ENV{GUSI}include:sys:errno.h"} = 1;
+
+ } elsif ($^O eq 'beos') {
+ # 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
+ $file{'/system/include_library/errno.h'} = 1;
} else {
open(CPPI,"> errno.c") or
die "Cannot open errno.c";
- print CPPI "#include <errno.h>\n";
+ if ($^O eq 'NetWare') {
+ print CPPI "#include <nwerrno.h>\n";
+ } else {
+ print CPPI "#include <errno.h>\n";
+ if ($^O eq 'MSWin32') {
+ print CPPI "#define _WINSOCKAPI_\n"; # don't drag in everything
+ print CPPI "#include <winsock.h>\n";
+ }
+ }
close(CPPI);
# invoke CPP and read the output
- if ($^O eq 'MSWin32') {
+ if ($^O eq 'MSWin32' || $^O eq 'NetWare') {
open(CPPO,"$Config{cpprun} $Config{cppflags} errno.c |") or
die "Cannot run '$Config{cpprun} $Config{cppflags} errno.c'";
} else {
}
my $pat;
- if ($^O eq 'MSWin32' and $Config{cc} =~ /^bcc/i) {
+ if (($^O eq 'MSWin32' || $^O eq 'NetWare') and $Config{cc} =~ /^bcc/i) {
$pat = '^/\*\s+(.+)\s+\d+\s*:\s+\*/';
}
else {
$pat = '^#\s*(?:line)?\s*\d+\s+"([^"]+)"';
}
while(<CPPO>) {
- if ($^O eq 'os2' or $^O eq 'MSWin32') {
+ if ($^O eq 'os2' or $^O eq 'MSWin32' or $^O eq 'NetWare') {
if (/$pat/o) {
my $f = $1;
$f =~ s,\\\\,/,g;
open(CPPI,"> errno.c") or
die "Cannot open errno.c";
- print CPPI "#include <errno.h>\n";
-
+ if ($^O eq 'NetWare') {
+ 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
# invoke CPP and read the output
- if ($^O eq 'VMS') {
- my $cpp = "$Config{cppstdin} $Config{cppflags} $Config{cppminus}";
- $cpp =~ s/sys\$input//i;
- open(CPPO,"$cpp errno.c |") or
- die "Cannot exec $Config{cppstdin}";
- } elsif ($^O eq 'MSWin32') {
- open(CPPO,"$Config{cpprun} $Config{cppflags} errno.c |") or
- die "Cannot run '$Config{cpprun} $Config{cppflags} errno.c'";
- } else {
- my $cpp = default_cpp();
- open(CPPO,"$cpp < errno.c |")
- or die "Cannot exec $cpp";
- }
+ if ($^O eq 'VMS') {
+ my $cpp = "$Config{cppstdin} $Config{cppflags} $Config{cppminus}";
+ $cpp =~ s/sys\$input//i;
+ open(CPPO,"$cpp errno.c |") or
+ die "Cannot exec $Config{cppstdin}";
+ } elsif ($^O eq 'MSWin32' || $^O eq 'NetWare') {
+ open(CPPO,"$Config{cpprun} $Config{cppflags} errno.c |") or
+ die "Cannot run '$Config{cpprun} $Config{cppflags} errno.c'";
+ } else {
+ my $cpp = default_cpp();
+ open(CPPO,"$cpp < errno.c |")
+ or die "Cannot exec $cpp";
+ }
- %err = ();
+ %err = ();
- while(<CPPO>) {
- my($name,$expr);
- next unless ($name, $expr) = /"(.*?)"\s*\[\s*\[\s*(.*?)\s*\]\s*\]/;
- next if $name eq $expr;
- $err{$name} = eval $expr;
+ while(<CPPO>) {
+ my($name,$expr);
+ next unless ($name, $expr) = /"(.*?)"\s*\[\s*\[\s*(.*?)\s*\]\s*\]/;
+ next if $name eq $expr;
+ $expr =~ s/\(?\(\w+\)([^\)]*)\)?/$1/; # ((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.
+
+ if ($^O eq 'beos') {
+ if (open(C, ">errno.c")) {
+ my @zero = grep { !$err{$_} } keys %err;
+ print C <<EOF;
+#include <errno.h>
+#include <stdio.h>
+int main() {
+EOF
+ for (@zero) {
+ print C qq[printf("$_ %d\n", $_);]
+ }
+ print C "}\n";
+ close C;
+ system("cc -o errno errno.c");
+ unlink("errno.c");
+ if (open(C, "./errno|")) {
+ while (<C>) {
+ if (/^(\w+) (-?\d+)$/) { $err{$1} = $2 }
+ }
+ close(C);
+ } else {
+ die "failed to execute ./errno: $!\n";
+ }
+ unlink("errno");
+ } else {
+ die "failed to create errno.c: $!\n";
+ }
}
- close(CPPO);
# Write Errno.pm
die "Errno architecture ($Config{'archname'}-$Config{'osvers'}) does not match executable architecture (\$Config{'archname'}-\$Config{'osvers'})";
\$VERSION = "$VERSION";
+\$VERSION = eval \$VERSION;
\@ISA = qw(Exporter);
EDQ