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Handle block boundaries in utf8_to_utf16
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@ -1292,9 +1292,12 @@ FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
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for (auto end = p + s.size() - block_size + 1; p < end;) p = transcode(p);
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}
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if (auto num_chars_left = s.data() + s.size() - p) {
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char buf[4] = {};
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char buf[2 * block_size - 1] = {};
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memcpy(buf, p, num_chars_left);
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transcode(buf);
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p = buf;
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do {
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p = transcode(p);
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} while (p - buf < num_chars_left);
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}
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buffer_.push_back(0);
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}
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@ -410,6 +410,7 @@ TEST(UtilTest, UTF8ToUTF16) {
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"invalid utf8");
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EXPECT_THROW_MSG(fmt::internal::utf8_to_utf16(fmt::string_view("л", 1)),
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std::runtime_error, "invalid utf8");
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EXPECT_EQ(L"123456", fmt::internal::utf8_to_utf16("123456").str());
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}
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TEST(UtilTest, UTF8ToUTF16EmptyString) {
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