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ICU-22516 Return error while the style is invalid

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To avoid later unknown address in icu_74::UnicodeString::copyFrom
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Frank Tang 2023-09-25 14:24:57 -07:00 • committed by Frank Yung-Fong Tang
parent 6d1999fbb9
commit c1475f4bbd
1 changed files with 4 additions and 0 deletions
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4
icu4c/source/i18n/reldatefmt.cpp
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@ -805,6 +805,10 @@ RelativeDateTimeFormatter::RelativeDateTimeFormatter(
if (U_FAILURE(status)) {
return;
}
if (styl < 0 || UDAT_STYLE_COUNT <= styl) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return;
}
if ((capitalizationContext >> 8) != UDISPCTX_TYPE_CAPITALIZATION) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return;