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Annotate intended fall-through cases #1713

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Annotate intended fall-through cases #1713

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7 changes: 7 additions & 0 deletions include/asio/ip/impl/network_v4.ipp
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Original file line number Diff line number Diff line change
Expand Up @@ -68,18 +68,25 @@ network_v4::network_v4(const address_v4& addr, const address_v4& mask)
break;
case 254: // prefix_length_ += 7
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 252: // prefix_length_ += 6
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 248: // prefix_length_ += 5
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 240: // prefix_length_ += 4
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 224: // prefix_length_ += 3
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 192: // prefix_length_ += 2
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 128: // prefix_length_ += 1
prefix_length_ += 1;
BOOST_FALLTHROUGH;
case 0: // nbits += 0
finished = true;
break;
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