660 lines
23 KiB
Perl
660 lines
23 KiB
Perl
# Common tools for test files files to find the locales which exist on the
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# system. Caller should have verified that this isn't miniperl before calling
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# the functions.
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# Note that it's okay that some languages have their native names
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# capitalized here even though that's not "right". They are lowercased
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# anyway later during the scanning process (and besides, some clueless
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# vendor might have them capitalized erroneously anyway).
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# Functions whose names begin with underscore are internal helper functions
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# for this file, and are not to be used by outside callers.
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use Config;
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use strict;
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eval { require POSIX; import POSIX 'locale_h'; };
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my $has_locale_h = ! $@;
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my @known_categories = ( qw(LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY
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LC_NUMERIC LC_TIME LC_ADDRESS LC_IDENTIFICATION
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LC_MEASUREMENT LC_PAPER LC_TELEPHONE));
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my @platform_categories;
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# LC_ALL can be -1 on some platforms. And, in fact the implementors could
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# legally use any integer to represent any category. But it makes the most
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# sense for them to have used small integers. Below, we create new locale
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# numbers for ones missing from this machine. We make them very negative,
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# hopefully more negative than anything likely to be a valid category on the
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# platform, but also below is a check to be sure that our guess is valid.
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my $max_bad_category_number = -1000000;
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# Initialize this hash so that it looks like e.g.,
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# 6 => 'CTYPE',
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# where 6 is the value of &POSIX::LC_CTYPE
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my %category_name;
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my %category_number;
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if ($has_locale_h) {
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my $number_for_missing_category = $max_bad_category_number;
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foreach my $name (@known_categories) {
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my $number = eval "&POSIX::$name";
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if ($@) {
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# Use a negative number (smaller than any legitimate category
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# number) if the platform doesn't support this category, so we
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# have an entry for all the ones that might be specified in calls
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# to us.
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$number = $number_for_missing_category-- if $@;
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}
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elsif ( $number !~ / ^ -? \d+ $ /x
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|| $number <= $max_bad_category_number)
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{
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# We think this should be an int. And it has to be larger than
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# any of our synthetic numbers.
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die "Unexpected locale category number '$number' for $name"
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}
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else {
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push @platform_categories, $name;
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}
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$name =~ s/LC_//;
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$category_name{$number} = "$name";
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$category_number{$name} = $number;
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}
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}
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sub _my_diag($) {
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my $message = shift;
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if (defined &main::diag) {
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diag($message);
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}
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else {
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local($\, $", $,) = (undef, ' ', '');
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print STDERR $message, "\n";
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}
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}
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sub _my_fail($) {
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my $message = shift;
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if (defined &main::fail) {
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fail($message);
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}
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else {
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local($\, $", $,) = (undef, ' ', '');
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print "not ok 0 $message\n";
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}
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}
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sub _trylocale ($$$$) { # For use only by other functions in this file!
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# Adds the locale given by the first parameter to the list given by the
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# 3rd iff the platform supports the locale in each of the category numbers
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# given by the 2nd parameter, which is either a single category or a
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# reference to a list of categories. The list MUST be sorted so that
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# CTYPE is first, COLLATE is last unless ALL is present, in which case
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# that comes after COLLATE. This is because locale.c detects bad locales
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# only with CTYPE, and COLLATE on some platforms can core dump if it is a
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# bad locale.
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#
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# The 4th parameter is true if to accept locales that aren't apparently
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# fully compatible with Perl.
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my $locale = shift;
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my $categories = shift;
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my $list = shift;
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my $allow_incompatible = shift;
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return if ! $locale || grep { $locale eq $_ } @$list;
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# This is a toy (pig latin) locale that is not fully implemented on some
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# systems
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return if $locale =~ / ^ pig $ /ix;
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# Certain platforms have a crippled locale system in which setlocale
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# returns success for just about any possible locale name, but if anything
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# actually happens as a result of the call, it is that the underlying
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# locale is set to a system default, likely C or C.UTF-8. We can't test
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# such systems fully, but we shouldn't disable the user from using
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# locales, as it may work out for them (or not).
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return if defined $Config{d_setlocale_accepts_any_locale_name}
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&& $locale !~ / ^ (?: C | POSIX | C\.UTF-8 ) $/ix;
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$categories = [ $categories ] unless ref $categories;
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my $badutf8 = 0;
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my $plays_well = 1;
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use warnings 'locale';
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local $SIG{__WARN__} = sub {
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$badutf8 = 1 if grep { /Malformed UTF-8/ } @_;
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$plays_well = 0 if grep {
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/Locale .* may not work well(?#
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)|The Perl program will use the expected meanings/i
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} @_;
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};
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# Incompatible locales aren't warned about unless using locales.
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use locale;
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foreach my $category (@$categories) {
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die "category '$category' must instead be a number"
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unless $category =~ / ^ -? \d+ $ /x;
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return unless setlocale($category, $locale);
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last if $badutf8 || ! $plays_well;
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}
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if ($badutf8) {
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_my_fail("Verify locale name doesn't contain malformed utf8");
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return;
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}
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push @$list, $locale if $plays_well || $allow_incompatible;
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}
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sub _decode_encodings { # For use only by other functions in this file!
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my @enc;
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foreach (split(/ /, shift)) {
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if (/^(\d+)$/) {
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push @enc, "ISO8859-$1";
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push @enc, "iso8859$1"; # HP
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if ($1 eq '1') {
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push @enc, "roman8"; # HP
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}
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push @enc, $_;
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push @enc, "$_.UTF-8";
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push @enc, "$_.65001"; # Windows UTF-8
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push @enc, "$_.ACP"; # Windows ANSI code page
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push @enc, "$_.OCP"; # Windows OEM code page
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push @enc, "$_.1252"; # Windows
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}
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}
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if ($^O eq 'os390') {
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push @enc, qw(IBM-037 IBM-819 IBM-1047);
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}
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push @enc, "UTF-8";
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push @enc, "65001"; # Windows UTF-8
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return @enc;
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}
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sub valid_locale_categories() {
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# Returns a list of the locale categories (expressed as strings, like
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# "LC_ALL) known to this program that are available on this platform.
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return @platform_categories;
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}
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sub locales_enabled(;$) {
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# Returns 0 if no locale handling is available on this platform; otherwise
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# 1.
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#
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# The optional parameter is a reference to a list of individual POSIX
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# locale categories. If any of the individual categories specified by the
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# optional parameter is all digits (and an optional leading minus), it is
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# taken to be the C enum for the category (e.g., &POSIX::LC_CTYPE).
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# Otherwise it should be a string name of the category, like 'LC_TIME'.
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# The initial 'LC_' is optional. It is a fatal error to call this with
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# something that isn't a known category to this file.
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#
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# This optional parameter denotes which POSIX locale categories must be
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# available on the platform. If any aren't available, this function
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# returns 0; otherwise it returns 1 and changes the list for the caller so
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# that any category names are converted into their equivalent numbers, and
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# sorts it to match the expectations of _trylocale.
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#
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# It is acceptable for the second parameter to be just a simple scalar
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# denoting a single category (either name or number). No conversion into
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# a number is done in this case.
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# khw cargo-culted the '?' in the pattern on the next line.
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return 0 if $Config{ccflags} =~ /\bD?NO_LOCALE\b/;
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# If we can't load the POSIX XS module, we can't have locales even if they
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# normally would be available
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return 0 if ! defined &DynaLoader::boot_DynaLoader;
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if (! $Config{d_setlocale}) {
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return 0 if $Config{ccflags} =~ /\bD?NO_POSIX_2008_LOCALE\b/;
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return 0 unless $Config{d_newlocale};
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return 0 unless $Config{d_uselocale};
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return 0 unless $Config{d_duplocale};
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return 0 unless $Config{d_freelocale};
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}
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# Done with the global possibilities. Now check if any passed in category
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# is disabled.
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my $categories_ref = shift;
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my $return_categories_numbers = 0;
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my @categories_numbers;
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my $has_LC_ALL = 0;
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my $has_LC_COLLATE = 0;
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if (defined $categories_ref) {
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my @local_categories_copy;
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if (ref $categories_ref) {
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@local_categories_copy = @$$categories_ref;
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$return_categories_numbers = 1;
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}
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else { # Single category passed in
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@local_categories_copy = $categories_ref;
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}
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for my $category_name_or_number (@local_categories_copy) {
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my $name;
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my $number;
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if ($category_name_or_number =~ / ^ -? \d+ $ /x) {
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$number = $category_name_or_number;
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die "Invalid locale category number '$number'"
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unless grep { $number == $_ } keys %category_name;
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$name = $category_name{$number};
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}
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else {
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$name = $category_name_or_number;
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$name =~ s/ ^ LC_ //x;
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foreach my $trial (keys %category_name) {
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if ($category_name{$trial} eq $name) {
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$number = $trial;
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last;
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}
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}
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die "Invalid locale category name '$name'"
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unless defined $number;
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}
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return 0 if $number <= $max_bad_category_number
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|| $Config{ccflags} =~ /\bD?NO_LOCALE_$name\b/;
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eval "defined &POSIX::LC_$name";
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return 0 if $@;
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if ($return_categories_numbers) {
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if ($name eq 'CTYPE') {
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unshift @categories_numbers, $number; # Always first
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}
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elsif ($name eq 'ALL') {
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$has_LC_ALL = 1;
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}
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elsif ($name eq 'COLLATE') {
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$has_LC_COLLATE = 1;
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}
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else {
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push @categories_numbers, $number;
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}
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}
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}
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}
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if ($return_categories_numbers) {
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# COLLATE comes after all other locales except ALL, which comes last
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if ($has_LC_COLLATE) {
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push @categories_numbers, $category_number{'COLLATE'};
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}
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if ($has_LC_ALL) {
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push @categories_numbers, $category_number{'ALL'};
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}
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$$categories_ref = \@categories_numbers;
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}
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return 1;
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}
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sub find_locales ($;$) {
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# Returns an array of all the locales we found on the system. If the
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# optional 2nd parameter is non-zero, the list includes all found locales;
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# otherwise it is restricted to those locales that play well with Perl, as
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# far as we can easily determine.
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#
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# The first parameter is either a single locale category or a reference to
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# a list of categories to find valid locales for it (or in the case of
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# multiple) for all of them. Each category can be a name (like 'LC_ALL'
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# or simply 'ALL') or the C enum value for the category.
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my $categories = shift;
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my $allow_incompatible = shift // 0;
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$categories = [ $categories ] unless ref $categories;
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return unless locales_enabled(\$categories);
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# Note, the subroutine call above converts the $categories into a form
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# suitable for _trylocale().
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# Visual C's CRT goes silly on strings of the form "en_US.ISO8859-1"
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# and mingw32 uses said silly CRT
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# This doesn't seem to be an issue any more, at least on Windows XP,
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# so re-enable the tests for Windows XP onwards.
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my $winxp = ($^O eq 'MSWin32' && defined &Win32::GetOSVersion &&
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join('.', (Win32::GetOSVersion())[1..2]) >= 5.1);
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return if ((($^O eq 'MSWin32' && !$winxp) || $^O eq 'NetWare')
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&& $Config{cc} =~ /^(cl|gcc|g\+\+|ici)/i);
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# UWIN seems to loop after taint tests, just skip for now
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return if ($^O =~ /^uwin/);
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my @Locale;
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_trylocale("C", $categories, \@Locale, $allow_incompatible);
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_trylocale("POSIX", $categories, \@Locale, $allow_incompatible);
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if ($Config{d_has_C_UTF8} eq 'true') {
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_trylocale("C.UTF-8", $categories, \@Locale, $allow_incompatible);
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}
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# There's no point in looking at anything more if we know that setlocale
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# will return success on any garbage or non-garbage name.
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return sort @Locale if defined $Config{d_setlocale_accepts_any_locale_name};
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foreach (1..16) {
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_trylocale("ISO8859-$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("iso8859$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("iso8859-$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("iso_8859_$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("isolatin$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("isolatin-$_", $categories, \@Locale, $allow_incompatible);
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_trylocale("iso_latin_$_", $categories, \@Locale, $allow_incompatible);
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}
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# Sanitize the environment so that we can run the external 'locale'
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# program without the taint mode getting grumpy.
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# $ENV{PATH} is special in VMS.
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delete local $ENV{PATH} if $^O ne 'VMS' or $Config{d_setenv};
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# Other subversive stuff.
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delete local @ENV{qw(IFS CDPATH ENV BASH_ENV)};
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if (-x "/usr/bin/locale"
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&& open(LOCALES, '-|', "/usr/bin/locale -a 2>/dev/null"))
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{
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while (<LOCALES>) {
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# It seems that /usr/bin/locale steadfastly outputs 8 bit data, which
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# ain't great when we're running this testPERL_UNICODE= so that utf8
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# locales will cause all IO hadles to default to (assume) utf8
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next unless utf8::valid($_);
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chomp;
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_trylocale($_, $categories, \@Locale, $allow_incompatible);
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}
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close(LOCALES);
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} elsif ($^O eq 'VMS'
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&& defined($ENV{'SYS$I18N_LOCALE'})
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&& -d 'SYS$I18N_LOCALE')
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{
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# The SYS$I18N_LOCALE logical name search list was not present on
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# VAX VMS V5.5-12, but was on AXP && VAX VMS V6.2 as well as later versions.
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opendir(LOCALES, "SYS\$I18N_LOCALE:");
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while ($_ = readdir(LOCALES)) {
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chomp;
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_trylocale($_, $categories, \@Locale, $allow_incompatible);
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}
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close(LOCALES);
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} elsif (($^O eq 'openbsd' || $^O eq 'bitrig' ) && -e '/usr/share/locale') {
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# OpenBSD doesn't have a locale executable, so reading
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# /usr/share/locale is much easier and faster than the last resort
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# method.
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opendir(LOCALES, '/usr/share/locale');
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while ($_ = readdir(LOCALES)) {
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chomp;
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_trylocale($_, $categories, \@Locale, $allow_incompatible);
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}
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close(LOCALES);
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} else { # Final fallback. Try our list of locales hard-coded here
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# This is going to be slow.
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my @Data;
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# Locales whose name differs if the utf8 bit is on are stored in these
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# two files with appropriate encodings.
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my $data_file = ($^H & 0x08 || (${^OPEN} || "") =~ /:utf8/)
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? _source_location() . "/lib/locale/utf8"
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: _source_location() . "/lib/locale/latin1";
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if (-e $data_file) {
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@Data = do $data_file;
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}
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else {
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_my_diag(__FILE__ . ":" . __LINE__ . ": '$data_file' doesn't exist");
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}
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# The rest of the locales are in this file.
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push @Data, <DATA>;
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foreach my $line (@Data) {
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my ($locale_name, $language_codes, $country_codes, $encodings) =
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split /:/, $line;
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_my_diag(__FILE__ . ":" . __LINE__ . ": Unexpected syntax in '$line'")
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unless defined $locale_name;
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my @enc = _decode_encodings($encodings);
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foreach my $loc (split(/ /, $locale_name)) {
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_trylocale($loc, $categories, \@Locale, $allow_incompatible);
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foreach my $enc (@enc) {
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_trylocale("$loc.$enc", $categories, \@Locale,
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$allow_incompatible);
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}
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$loc = lc $loc;
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foreach my $enc (@enc) {
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_trylocale("$loc.$enc", $categories, \@Locale,
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$allow_incompatible);
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}
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}
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foreach my $lang (split(/ /, $language_codes)) {
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_trylocale($lang, $categories, \@Locale, $allow_incompatible);
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foreach my $country (split(/ /, $country_codes)) {
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my $lc = "${lang}_${country}";
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_trylocale($lc, $categories, \@Locale, $allow_incompatible);
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foreach my $enc (@enc) {
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_trylocale("$lc.$enc", $categories, \@Locale,
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$allow_incompatible);
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}
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my $lC = "${lang}_\U${country}";
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_trylocale($lC, $categories, \@Locale, $allow_incompatible);
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foreach my $enc (@enc) {
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_trylocale("$lC.$enc", $categories, \@Locale,
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$allow_incompatible);
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}
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}
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}
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}
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}
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@Locale = sort @Locale;
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return @Locale;
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}
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sub is_locale_utf8 ($) { # Return a boolean as to if core Perl thinks the input
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# is a UTF-8 locale
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# On z/OS, even locales marked as UTF-8 aren't.
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return 0 if ord "A" != 65;
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return 0 unless locales_enabled('LC_CTYPE');
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my $locale = shift;
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use locale;
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no warnings 'locale'; # We may be trying out a weird locale
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my $save_locale = setlocale(&POSIX::LC_CTYPE());
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if (! $save_locale) {
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ok(0, "Verify could save previous locale");
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return 0;
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}
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if (! setlocale(&POSIX::LC_CTYPE(), $locale)) {
|
|
ok(0, "Verify could setlocale to $locale");
|
|
return 0;
|
|
}
|
|
|
|
my $ret = 0;
|
|
|
|
# Use an op that gives different results for UTF-8 than any other locale.
|
|
# If a platform has UTF-8 locales, there should be at least one locale on
|
|
# most platforms with UTF-8 in its name, so if there is a bug in the op
|
|
# giving a false negative, we should get a failure for those locales as we
|
|
# go through testing all the locales on the platform.
|
|
if (CORE::fc(chr utf8::unicode_to_native(0xdf)) ne "ss") {
|
|
if ($locale =~ /UTF-?8/i) {
|
|
ok (0, "Verify $locale with UTF-8 in name is a UTF-8 locale");
|
|
}
|
|
}
|
|
else {
|
|
$ret = 1;
|
|
}
|
|
|
|
die "Couldn't restore locale '$save_locale'"
|
|
unless setlocale(&POSIX::LC_CTYPE(), $save_locale);
|
|
|
|
return $ret;
|
|
}
|
|
|
|
sub find_utf8_ctype_locales (;$) { # Return the names of the locales that core
|
|
# Perl thinks are UTF-8 LC_CTYPE locales.
|
|
# Optional parameter is a reference to a
|
|
# list of locales to try; if omitted, this
|
|
# tries all locales it can find on the
|
|
# platform
|
|
return unless locales_enabled('LC_CTYPE');
|
|
|
|
my $locales_ref = shift;
|
|
my @return;
|
|
|
|
if (! defined $locales_ref) {
|
|
|
|
my @locales = find_locales(&POSIX::LC_CTYPE());
|
|
$locales_ref = \@locales;
|
|
}
|
|
|
|
foreach my $locale (@$locales_ref) {
|
|
push @return, $locale if is_locale_utf8($locale);
|
|
}
|
|
|
|
return @return;
|
|
}
|
|
|
|
|
|
sub find_utf8_ctype_locale (;$) { # Return the name of a locale that core Perl
|
|
# thinks is a UTF-8 LC_CTYPE non-turkic
|
|
# locale.
|
|
# Optional parameter is a reference to a
|
|
# list of locales to try; if omitted, this
|
|
# tries all locales it can find on the
|
|
# platform
|
|
my $try_locales_ref = shift;
|
|
|
|
my @utf8_locales = find_utf8_ctype_locales($try_locales_ref);
|
|
my @turkic_locales = find_utf8_turkic_locales($try_locales_ref);
|
|
|
|
my %seen_turkic;
|
|
|
|
# Create undef elements in the hash for turkic locales
|
|
@seen_turkic{@turkic_locales} = ();
|
|
|
|
foreach my $locale (@utf8_locales) {
|
|
return $locale unless exists $seen_turkic{$locale};
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
sub find_utf8_turkic_locales (;$) {
|
|
|
|
# Return the name of all the locales that core Perl thinks are UTF-8
|
|
# Turkic LC_CTYPE. Optional parameter is a reference to a list of locales
|
|
# to try; if omitted, this tries all locales it can find on the platform
|
|
|
|
my @return;
|
|
|
|
return unless locales_enabled('LC_CTYPE');
|
|
|
|
my $save_locale = setlocale(&POSIX::LC_CTYPE());
|
|
foreach my $locale (find_utf8_ctype_locales(shift)) {
|
|
use locale;
|
|
setlocale(&POSIX::LC_CTYPE(), $locale);
|
|
push @return, $locale if uc('i') eq "\x{130}";
|
|
}
|
|
setlocale(&POSIX::LC_CTYPE(), $save_locale);
|
|
|
|
return @return;
|
|
}
|
|
|
|
sub find_utf8_turkic_locale (;$) {
|
|
my @turkics = find_utf8_turkic_locales(shift);
|
|
|
|
return unless @turkics;
|
|
return $turkics[0]
|
|
}
|
|
|
|
|
|
# returns full path to the directory containing the current source
|
|
# file, inspired by mauke's Dir::Self
|
|
sub _source_location {
|
|
require File::Spec;
|
|
|
|
my $caller_filename = (caller)[1];
|
|
|
|
my $loc = File::Spec->rel2abs(
|
|
File::Spec->catpath(
|
|
(File::Spec->splitpath($caller_filename))[0, 1], ''
|
|
)
|
|
);
|
|
|
|
return ($loc =~ /^(.*)$/)[0]; # untaint
|
|
}
|
|
|
|
1
|
|
|
|
# Format of data is: locale_name, language_codes, country_codes, encodings
|
|
__DATA__
|
|
Afrikaans:af:za:1 15
|
|
Arabic:ar:dz eg sa:6 arabic8
|
|
Brezhoneg Breton:br:fr:1 15
|
|
Bulgarski Bulgarian:bg:bg:5
|
|
Chinese:zh:cn tw:cn.EUC eucCN eucTW euc.CN euc.TW Big5 GB2312 tw.EUC
|
|
Hrvatski Croatian:hr:hr:2
|
|
Cymraeg Welsh:cy:cy:1 14 15
|
|
Czech:cs:cz:2
|
|
Dansk Danish:da:dk:1 15
|
|
Nederlands Dutch:nl:be nl:1 15
|
|
English American British:en:au ca gb ie nz us uk zw:1 15 cp850
|
|
Esperanto:eo:eo:3
|
|
Eesti Estonian:et:ee:4 6 13
|
|
Suomi Finnish:fi:fi:1 15
|
|
Flamish::fl:1 15
|
|
Deutsch German:de:at be ch de lu:1 15
|
|
Euskaraz Basque:eu:es fr:1 15
|
|
Galego Galician:gl:es:1 15
|
|
Ellada Greek:el:gr:7 g8
|
|
Frysk:fy:nl:1 15
|
|
Greenlandic:kl:gl:4 6
|
|
Hebrew:iw:il:8 hebrew8
|
|
Hungarian:hu:hu:2
|
|
Indonesian:id:id:1 15
|
|
Gaeilge Irish:ga:IE:1 14 15
|
|
Italiano Italian:it:ch it:1 15
|
|
Nihongo Japanese:ja:jp:euc eucJP jp.EUC sjis
|
|
Korean:ko:kr:
|
|
Latine Latin:la:va:1 15
|
|
Latvian:lv:lv:4 6 13
|
|
Lithuanian:lt:lt:4 6 13
|
|
Macedonian:mk:mk:1 15
|
|
Maltese:mt:mt:3
|
|
Moldovan:mo:mo:2
|
|
Norsk Norwegian:no no\@nynorsk nb nn:no:1 15
|
|
Occitan:oc:es:1 15
|
|
Polski Polish:pl:pl:2
|
|
Rumanian:ro:ro:2
|
|
Russki Russian:ru:ru su ua:5 koi8 koi8r KOI8-R koi8u cp1251 cp866
|
|
Serbski Serbian:sr:yu:5
|
|
Slovak:sk:sk:2
|
|
Slovene Slovenian:sl:si:2
|
|
Sqhip Albanian:sq:sq:1 15
|
|
Svenska Swedish:sv:fi se:1 15
|
|
Thai:th:th:11 tis620
|
|
Turkish:tr:tr:9 turkish8
|
|
Yiddish:yi::1 15
|