Function Utf8CharLength

src/PrefixMatch.cpp:35–41

namespace {

size_t Utf8CharLength(const char* str, size_t len) {
  if (len == 0) {
    return 0;
  }
  const size_t charLen = UTF8Util::NextCharLength(str);
  return charLen <= len ? charLen : 0;
}

uint32_t Utf8CharKey(const char* str, size_t charLen) {
  uint32_t key = static_cast<uint32_t>(charLen);