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use part of service buffer to make response not malloc

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Done with an offset because the encoded key is stored at the
start of service_buffer at this time

Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-02-11 09:37:23 +08:00
parent 895d56d4ce
commit 60fbc63513
1 changed files with 1 additions and 10 deletions
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11
lib/server-handshake.c
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@ -83,15 +83,7 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
/* make a buffer big enough for everything */
response = (char *)malloc(256 +
wsi->u.hdr.hdrs[WSI_TOKEN_UPGRADE].token_len +
wsi->u.hdr.hdrs[WSI_TOKEN_CONNECTION].token_len +
wsi->u.hdr.hdrs[WSI_TOKEN_PROTOCOL].token_len);
if (!response) {
lwsl_err("Out of memory for response buffer\n");
goto bail;
}
response = (char *)context->service_buffer + MAX_WEBSOCKET_04_KEY_LEN;
p = response;
LWS_CPYAPP(p, "HTTP/1.1 101 Switching Protocols\x0d\x0a"
"Upgrade: WebSocket\x0d\x0a"
@ -251,7 +243,6 @@ handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
/* alright clean up and set ourselves into established state */
free(response);
wsi->state = WSI_STATE_ESTABLISHED;
wsi->lws_rx_parse_state = LWS_RXPS_NEW;