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MHD_response_execute_upgrade_(): improved handling of buffer sizes

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This commit is contained in:
Evgeny Grin (Karlson2k)
2016-10-27 22:44:59 +03:00
parent 9eebca21c0
commit d7f5dece99
1 changed files with 4 additions and 5 deletions
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src/microhttpd/response.c
+4 -5
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@@ -821,7 +821,7 @@ MHD_response_execute_upgrade_ (struct MHD_Response *response,
urh->mhd.celi = MHD_EPOLL_STATE_UNREADY;
pool = connection->pool;
avail = MHD_pool_get_free (pool);
if (avail < 8)
if (avail < RESERVE_EBUF_SIZE)
{
/* connection's pool is totally at the limit,
use our 'emergency' buffer of #RESERVE_EBUF_SIZE bytes. */
@@ -839,11 +839,10 @@ MHD_response_execute_upgrade_ (struct MHD_Response *response,
MHD_NO);
}
/* use half the buffer for inbound, half for outbound */
avail /= 2;
urh->in_buffer_size = avail;
urh->out_buffer_size = avail;
urh->in_buffer_size = avail / 2;
urh->out_buffer_size = avail - urh->in_buffer_size;
urh->in_buffer = buf;
urh->out_buffer = &buf[avail];
urh->out_buffer = &buf[urh->in_buffer_size];
/* hand over internal socket to application */
response->upgrade_handler (response->upgrade_handler_cls,
connection,