# anyway later during the scanning process (and besides, some clueless
# vendor might have them capitalized erroneously anyway).
-sub _trylocale ($$$$) { # Adds the locale given by the first parameter to the
- # list given by the 3rd iff the platform supports the
- # locale in each of the categories given by the 2nd
- # parameter, which is either a single category or a
- # reference to a list of categories
- # The 4th parameter is true if to reject locales that
- # aren't apparently fully compatible with Perl.
+# Functions whose names begin with underscore are internal helper functions
+# for this file, and are not to be used by outside callers.
+
+eval { require POSIX; import POSIX 'locale_h'; };
+my $has_posix_locales = defined &POSIX::LC_CTYPE;
+
+sub _trylocale ($$$$) { # For use only by other functions in this file!
+
+ # Adds the locale given by the first parameter to the list given by the
+ # 3rd iff the platform supports the locale in each of the categories given
+ # by the 2nd parameter, which is either a single category or a reference
+ # to a list of categories The 4th parameter is true if to reject locales
+ # that aren't apparently fully compatible with Perl.
+
my $locale = shift;
my $categories = shift;
my $list = shift;
push @$list, $locale;
}
-sub _decode_encodings {
+sub _decode_encodings { # For use only by other functions in this file!
my @enc;
foreach (split(/ /, shift)) {
# category, like 'LC_TIME'. The initial 'LC_' is optional. It is a fatal
# error to call this with something that isn't a known category
- use Config;;
+ use Config;
return 0 unless $Config{d_setlocale}
# I (khw) cargo-culted the '?' in the pattern on the
# next line.
- && $Config{ccflags} !~ /\bD?NO_LOCALE\b/;
+ && $Config{ccflags} !~ /\bD?NO_LOCALE\b/
+ && $has_posix_locales;
# Done with the global possibilities. Now check if any passed in category
# is disabled.
# Done this way in case this is 'required' in the caller before seeing if
# this is miniperl.
- eval { require POSIX; import POSIX 'locale_h'; };
- unless (defined &POSIX::LC_CTYPE) {
- return;
- }
+ return unless $has_posix_locales;
_trylocale("C", $categories, \@Locale, $only_plays_well);
_trylocale("POSIX", $categories, \@Locale, $only_plays_well);
# On z/OS, even locales marked as UTF-8 aren't.
return 0 if ord "A" != 65;
- eval { require POSIX; import POSIX 'locale_h'; };
- return 0 if ! defined &POSIX::LC_CTYPE;
+ return 0 if ! $has_posix_locales;
return 0 if ! locales_enabled('LC_CTYPE');
my $locale = shift;
my $locales_ref = shift;
if (! defined $locales_ref) {
- eval { require POSIX; import POSIX 'locale_h'; };
- return if ! defined &POSIX::LC_CTYPE;
+ return if ! $has_posix_locales;
my @locales = find_locales(&POSIX::LC_CTYPE(),
1 # Reject iffy locales.