[Feature][ZXW-88]merge P50 version

Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/tests/server/tftp.h b/ap/lib/libcurl/curl-7.86.0/tests/server/tftp.h
new file mode 100755
index 0000000..d8328dc
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/tests/server/tftp.h
@@ -0,0 +1,63 @@
+#ifndef HEADER_CURL_SERVER_TFTP_H
+#define HEADER_CURL_SERVER_TFTP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "server_setup.h"
+
+/* This file is a rewrite/clone of the arpa/tftp.h file for systems without
+   it. */
+
+#define SEGSIZE 512 /* data segment size */
+
+#if defined(__GNUC__) && ((__GNUC__ >= 3) || \
+  ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
+#  define PACKED_STRUCT __attribute__((__packed__))
+#else
+#  define PACKED_STRUCT /*NOTHING*/
+#endif
+
+/* Using a packed struct as binary in a program is begging for problems, but
+   the tftpd server was written like this so we have this struct here to make
+   things build. */
+
+struct tftphdr {
+  short th_opcode;         /* packet type */
+  unsigned short th_block; /* all sorts of things */
+  char th_data[1];         /* data or error string */
+} PACKED_STRUCT;
+
+#define th_stuff th_block
+#define th_code  th_block
+#define th_msg   th_data
+
+#define EUNDEF    0
+#define ENOTFOUND 1
+#define EACCESS   2
+#define ENOSPACE  3
+#define EBADOP    4
+#define EBADID    5
+#define EEXISTS   6
+#define ENOUSER   7
+
+#endif /* HEADER_CURL_SERVER_TFTP_H */