[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/libtest/sethostname.c b/ap/lib/libcurl/curl-7.86.0/tests/libtest/sethostname.c
new file mode 100755
index 0000000..3ab1241
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/tests/libtest/sethostname.c
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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 "curl_setup.h"
+
+#include "sethostname.h"
+
+/*
+ * we force our own host name, in order to make some tests machine independent
+ */
+
+int gethostname(char *name, GETHOSTNAME_TYPE_ARG2 namelen)
+{
+  const char *force_hostname = getenv("CURL_GETHOSTNAME");
+  if(force_hostname) {
+    strncpy(name, force_hostname, namelen);
+    name[namelen-1] = '\0';
+    return 0;
+  }
+
+  /* LD_PRELOAD used, but no hostname set, we'll just return a failure */
+  return -1;
+}