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@ -42,6 +42,11 @@ static unsigned int const cm_utf8_min[7] = {
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const char* cm_utf8_decode_character(const char* first, const char* last,
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unsigned int* pc)
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{
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/* We need at least one byte. */
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if (first == last) {
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return 0;
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}
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/* Count leading ones in the first byte. */
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unsigned char c = (unsigned char)*first++;
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unsigned char const ones = cm_utf8_ones[c];
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