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#
# $PostgreSQL: pgsql/src/backend/utils/mb/Unicode/ucs2utf.pl,v 1.2 2003/11/29 22:40:01 pgsql Exp $
# convert UCS-2 to UTF-8
#
sub ucs2utf {
local($ucs) = @_;
local $utf;
if ($ucs <= 0x007f) {
$utf = $ucs;
} elsif ($ucs > 0x007f && $ucs <= 0x07ff) {
$utf = (($ucs & 0x003f) | 0x80) | ((($ucs >> 6) | 0xc0) << 8);
} else {
$utf = ((($ucs >> 12) | 0xe0) << 16) |
(((($ucs & 0x0fc0) >> 6) | 0x80) << 8) |
(($ucs & 0x003f) | 0x80);
}
return($utf);
}
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