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libwebsockets_read: update 'len' after lws_handshake_server invocation

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Andrew Canaday 2014-07-07 18:10:02 -04:00 • committed by Andy Green
parent c1fdd10ff8
commit 7c67634fec
1 changed files with 12 additions and 5 deletions
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17
lib/handshake.c
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@ -132,11 +132,18 @@ http_postbody:
if (lws_handshake_client(wsi, &buf, len))
goto bail;
switch (lws_handshake_server(context, wsi, &buf, len)) {
case 1:
goto bail;
case 2:
goto http_postbody;
/* It's possible that we've exhausted our data already, but
* lws_handshake_server doesn't update len for us. Figure out how
* much was read, so that we can proceed appropriately: */
{
unsigned char *last_char = buf;
switch (lws_handshake_server(context, wsi, &buf, len)) {
case 1:
goto bail;
case 2:
len -= (buf - last_char);
goto http_postbody;
}
}
break;