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locale_threads.t: Better handle weird locales #21668

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Feb 12, 2024
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locale_threads.t: Better handle weird locales #21668

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10 changes: 4 additions & 6 deletions lib/locale_threads.t
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Original file line number Diff line number Diff line change
Expand Up @@ -845,18 +845,16 @@ SKIP: {
# and then a setlocale of the resulting one. Discard locales which have
# any unacceptable name
if (${^O} eq "MSWin32" && $Config{'libc'} !~ /ucrt/) {
for my $i (0 .. $#locales) {
my $locale_name = $locales[$i]->{locale_name};
@locales = grep {
my $locale_name = $_->{locale_name};
my $underlying_name = setlocale(&LC_CTYPE, $locale_name);

# Defeat any attempt to skip the setlocale if the same as current,
# by switching to a locale very unlikey to be the current one.
setlocale($LC_ALL, "Albanian");

next if setlocale(&LC_CTYPE, $underlying_name);

splice @locales, $i, 1;
}
defined($underlying_name) && setlocale(&LC_CTYPE, $underlying_name)
} @locales;
}

# Create a hash of the errnos:
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