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x.websocket: fix weird shift operator bug in clang -prod flag (#8192)

pull/8197/head
Tomas Hellström 2021-01-19 05:49:37 +01:00 committed by GitHub
parent 5cc591b2b6
commit 874885c87d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 10 deletions
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21
vlib/x/websocket/message.v
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@ -1,6 +1,7 @@
module websocket
import encoding.utf8
import math
const (
header_len_offset = 2 // offset for lengthpart of websocket header
@ -253,8 +254,8 @@ pub fn (mut ws Client) parse_frame_header() ?Frame {
if frame.payload_len == 126 && bytes_read == u64(extended_payload16_end_byte) {
frame.header_len += 2
frame.payload_len = 0
frame.payload_len |= buffer[2] << 8
frame.payload_len |= buffer[3] << 0
frame.payload_len |= (buffer[2] * int(math.pow(2, 8)))
frame.payload_len |= buffer[3]
frame.frame_size = frame.header_len + frame.payload_len
if !frame.has_mask {
break
@ -263,14 +264,14 @@ pub fn (mut ws Client) parse_frame_header() ?Frame {
if frame.payload_len == 127 && bytes_read == u64(extended_payload64_end_byte) {
frame.header_len += 8
frame.payload_len = 0
frame.payload_len |= buffer[2] << 56
frame.payload_len |= buffer[3] << 48
frame.payload_len |= buffer[4] << 40
frame.payload_len |= buffer[5] << 32
frame.payload_len |= buffer[6] << 24
frame.payload_len |= buffer[7] << 16
frame.payload_len |= buffer[8] << 8
frame.payload_len |= buffer[9] << 0
frame.payload_len |= (buffer[2] * int(math.pow(2, 56)))
frame.payload_len |= (buffer[3] * int(math.pow(2, 48)))
frame.payload_len |= (buffer[4] * int(math.pow(2, 40)))
frame.payload_len |= (buffer[5] * int(math.pow(2, 32)))
frame.payload_len |= (buffer[6] * int(math.pow(2, 24)))
frame.payload_len |= (buffer[7] * int(math.pow(2, 16)))
frame.payload_len |= (buffer[8] * int(math.pow(2, 8)))
frame.payload_len |= buffer[9]
if !frame.has_mask {
break
}