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checker: improve checking of a << b, when a and b are numbers (#12589)

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Delyan Angelov 2021-11-29 02:48:49 +02:00 • committed by GitHub
parent fe37da31a8
commit 6d97b0a407
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33 changed files with 436 additions and 148 deletions
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2
vlib/net/websocket/websocket_client.v
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@ -177,7 +177,7 @@ pub fn (mut ws Client) listen() ? {
ws.close(1002, 'close payload cannot be 1 byte') ?
return error('close payload cannot be 1 byte')
}
code := (int(msg.payload[0]) << 8) + int(msg.payload[1])
code := u16(msg.payload[0]) << 8 | u16(msg.payload[1])
if code in invalid_close_codes {
ws.close(1002, 'invalid close code: $code') ?
return error('invalid close code: $code')