修复签章浮动靠左问题

mysql/include/mysql_com_server.h

@@ -0,0 +1,56 @@
+/* Copyright (c) 2011, 2023, Oracle and/or its affiliates.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License, version 2.0,
+   as published by the Free Software Foundation.
+
+   This program is also distributed with certain software (including
+   but not limited to OpenSSL) that is licensed under separate terms,
+   as designated in a particular file or component or in included license
+   documentation.  The authors of MySQL hereby grant you an additional
+   permission to link the program and your derivative works with the
+   separately licensed software that they have included with MySQL.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License, version 2.0, for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
+
+/*
+  Definitions private to the server,
+  used in the networking layer to notify specific events.
+*/
+
+#ifndef _mysql_com_server_h
+#define _mysql_com_server_h
+
+struct st_net_server;
+
+typedef void (*before_header_callback_fn)
+  (struct st_net *net, void *user_data, size_t count);
+
+typedef void (*after_header_callback_fn)
+  (struct st_net *net, void *user_data, size_t count, my_bool rc);
+
+struct st_net_server
+{
+  before_header_callback_fn m_before_header;
+  after_header_callback_fn m_after_header;
+  void *m_user_data;
+  my_bool timeout_on_full_packet;
+
+  st_net_server() {
+    m_before_header = NULL;
+    m_after_header = NULL;
+    m_user_data = NULL;
+    timeout_on_full_packet = FALSE;
+  }
+};
+
+typedef struct st_net_server NET_SERVER;
+
+#endif