[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/docs/examples/smtp-mime.c b/ap/lib/libcurl/curl-7.86.0/docs/examples/smtp-mime.c
new file mode 100755
index 0000000..ce95582
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/docs/examples/smtp-mime.c
@@ -0,0 +1,165 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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
+ *
+ ***************************************************************************/
+
+/* <DESC>
+ * SMTP example showing how to send mime emails
+ * </DESC>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <curl/curl.h>
+
+/* This is a simple example showing how to send mime mail using libcurl's SMTP
+ * capabilities. For an example of using the multi interface please see
+ * smtp-multi.c.
+ *
+ * Note that this example requires libcurl 7.56.0 or above.
+ */
+
+#define FROM    "<sender@example.org>"
+#define TO      "<addressee@example.net>"
+#define CC      "<info@example.org>"
+
+static const char *headers_text[] = {
+  "Date: Tue, 22 Aug 2017 14:08:43 +0100",
+  "To: " TO,
+  "From: " FROM " (Example User)",
+  "Cc: " CC " (Another example User)",
+  "Message-ID: <dcd7cb36-11db-487a-9f3a-e652a9458efd@"
+    "rfcpedant.example.org>",
+  "Subject: example sending a MIME-formatted message",
+  NULL
+};
+
+static const char inline_text[] =
+  "This is the inline text message of the email.\r\n"
+  "\r\n"
+  "  It could be a lot of lines that would be displayed in an email\r\n"
+  "viewer that is not able to handle HTML.\r\n";
+
+static const char inline_html[] =
+  "<html><body>\r\n"
+  "<p>This is the inline <b>HTML</b> message of the email.</p>"
+  "<br />\r\n"
+  "<p>It could be a lot of HTML data that would be displayed by "
+  "email viewers able to handle HTML.</p>"
+  "</body></html>\r\n";
+
+
+int main(void)
+{
+  CURL *curl;
+  CURLcode res = CURLE_OK;
+
+  curl = curl_easy_init();
+  if(curl) {
+    struct curl_slist *headers = NULL;
+    struct curl_slist *recipients = NULL;
+    struct curl_slist *slist = NULL;
+    curl_mime *mime;
+    curl_mime *alt;
+    curl_mimepart *part;
+    const char **cpp;
+
+    /* This is the URL for your mailserver */
+    curl_easy_setopt(curl, CURLOPT_URL, "smtp://mail.example.com");
+
+    /* Note that this option is not strictly required, omitting it will result
+     * in libcurl sending the MAIL FROM command with empty sender data. All
+     * autoresponses should have an empty reverse-path, and should be directed
+     * to the address in the reverse-path which triggered them. Otherwise,
+     * they could cause an endless loop. See RFC 5321 Section 4.5.5 for more
+     * details.
+     */
+    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, FROM);
+
+    /* Add two recipients, in this particular case they correspond to the
+     * To: and Cc: addressees in the header, but they could be any kind of
+     * recipient. */
+    recipients = curl_slist_append(recipients, TO);
+    recipients = curl_slist_append(recipients, CC);
+    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);
+
+    /* Build and set the message header list. */
+    for(cpp = headers_text; *cpp; cpp++)
+      headers = curl_slist_append(headers, *cpp);
+    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+
+    /* Build the mime message. */
+    mime = curl_mime_init(curl);
+
+    /* The inline part is an alternative proposing the html and the text
+       versions of the email. */
+    alt = curl_mime_init(curl);
+
+    /* HTML message. */
+    part = curl_mime_addpart(alt);
+    curl_mime_data(part, inline_html, CURL_ZERO_TERMINATED);
+    curl_mime_type(part, "text/html");
+
+    /* Text message. */
+    part = curl_mime_addpart(alt);
+    curl_mime_data(part, inline_text, CURL_ZERO_TERMINATED);
+
+    /* Create the inline part. */
+    part = curl_mime_addpart(mime);
+    curl_mime_subparts(part, alt);
+    curl_mime_type(part, "multipart/alternative");
+    slist = curl_slist_append(NULL, "Content-Disposition: inline");
+    curl_mime_headers(part, slist, 1);
+
+    /* Add the current source program as an attachment. */
+    part = curl_mime_addpart(mime);
+    curl_mime_filedata(part, "smtp-mime.c");
+    curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
+
+    /* Send the message */
+    res = curl_easy_perform(curl);
+
+    /* Check for errors */
+    if(res != CURLE_OK)
+      fprintf(stderr, "curl_easy_perform() failed: %s\n",
+              curl_easy_strerror(res));
+
+    /* Free lists. */
+    curl_slist_free_all(recipients);
+    curl_slist_free_all(headers);
+
+    /* curl will not send the QUIT command until you call cleanup, so you
+     * should be able to re-use this connection for additional messages
+     * (setting CURLOPT_MAIL_FROM and CURLOPT_MAIL_RCPT as required, and
+     * calling curl_easy_perform() again. It may not be a good idea to keep
+     * the connection open for a very long time though (more than a few
+     * minutes may result in the server timing out the connection), and you do
+     * want to clean up in the end.
+     */
+    curl_easy_cleanup(curl);
+
+    /* Free multipart message. */
+    curl_mime_free(mime);
+  }
+
+  return (int)res;
+}