godot/thirdparty/icu4c/common/fixedstring.cpp

30 lines
657 B
C++

// © 2025 and later: Unicode, Inc. and others.
// License & terms of use: https://www.unicode.org/copyright.html
#include "fixedstring.h"
#include "unicode/unistr.h"
#include "unicode/utypes.h"
U_NAMESPACE_BEGIN
U_EXPORT void copyInvariantChars(const UnicodeString& src, FixedString& dst, UErrorCode& status) {
if (U_FAILURE(status)) {
return;
}
if (src.isEmpty()) {
dst.clear();
return;
}
int32_t length = src.length();
if (!dst.reserve(length + 1)) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
src.extract(0, length, dst.getAlias(), length + 1, US_INV);
}
U_NAMESPACE_END