zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libcurl/curl-7.54.1/docs/examples/ftpuploadresume.c b/ap/lib/libcurl/curl-7.54.1/docs/examples/ftpuploadresume.c
new file mode 100644
index 0000000..8f7f45d
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.54.1/docs/examples/ftpuploadresume.c
@@ -0,0 +1,173 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, 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.haxx.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.
+ *
+ ***************************************************************************/
+/* <DESC>
+ * Upload to FTP, resuming failed transfers.
+ * </DESC>
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <curl/curl.h>
+
+#if defined(_MSC_VER) && (_MSC_VER < 1300)
+# error _snscanf requires MSVC 7.0 or later.
+#endif
+
+/* The MinGW headers are missing a few Win32 function definitions,
+ you shouldn't need this if you use VC++ */
+#if defined(__MINGW32__) && !defined(__MINGW64__)
+int __cdecl _snscanf(const char *input, size_t length,
+ const char *format, ...);
+#endif
+
+
+/* parse headers for Content-Length */
+size_t getcontentlengthfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+ int r;
+ long len = 0;
+
+ /* _snscanf() is Win32 specific */
+ r = _snscanf(ptr, size * nmemb, "Content-Length: %ld\n", &len);
+
+ if(r) /* Microsoft: we don't read the specs */
+ *((long *) stream) = len;
+
+ return size * nmemb;
+}
+
+/* discard downloaded data */
+size_t discardfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+ return size * nmemb;
+}
+
+/* read data to upload */
+size_t readfunc(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+ FILE *f = stream;
+ size_t n;
+
+ if(ferror(f))
+ return CURL_READFUNC_ABORT;
+
+ n = fread(ptr, size, nmemb, f) * size;
+
+ return n;
+}
+
+
+int upload(CURL *curlhandle, const char *remotepath, const char *localpath,
+ long timeout, long tries)
+{
+ FILE *f;
+ long uploaded_len = 0;
+ CURLcode r = CURLE_GOT_NOTHING;
+ int c;
+
+ f = fopen(localpath, "rb");
+ if(!f) {
+ perror(NULL);
+ return 0;
+ }
+
+ curl_easy_setopt(curlhandle, CURLOPT_UPLOAD, 1L);
+
+ curl_easy_setopt(curlhandle, CURLOPT_URL, remotepath);
+
+ if(timeout)
+ curl_easy_setopt(curlhandle, CURLOPT_FTP_RESPONSE_TIMEOUT, timeout);
+
+ curl_easy_setopt(curlhandle, CURLOPT_HEADERFUNCTION, getcontentlengthfunc);
+ curl_easy_setopt(curlhandle, CURLOPT_HEADERDATA, &uploaded_len);
+
+ curl_easy_setopt(curlhandle, CURLOPT_WRITEFUNCTION, discardfunc);
+
+ curl_easy_setopt(curlhandle, CURLOPT_READFUNCTION, readfunc);
+ curl_easy_setopt(curlhandle, CURLOPT_READDATA, f);
+
+ /* disable passive mode */
+ curl_easy_setopt(curlhandle, CURLOPT_FTPPORT, "-");
+ curl_easy_setopt(curlhandle, CURLOPT_FTP_CREATE_MISSING_DIRS, 1L);
+
+ curl_easy_setopt(curlhandle, CURLOPT_VERBOSE, 1L);
+
+ for(c = 0; (r != CURLE_OK) && (c < tries); c++) {
+ /* are we resuming? */
+ if(c) { /* yes */
+ /* determine the length of the file already written */
+
+ /*
+ * With NOBODY and NOHEADER, libcurl will issue a SIZE
+ * command, but the only way to retrieve the result is
+ * to parse the returned Content-Length header. Thus,
+ * getcontentlengthfunc(). We need discardfunc() above
+ * because HEADER will dump the headers to stdout
+ * without it.
+ */
+ curl_easy_setopt(curlhandle, CURLOPT_NOBODY, 1L);
+ curl_easy_setopt(curlhandle, CURLOPT_HEADER, 1L);
+
+ r = curl_easy_perform(curlhandle);
+ if(r != CURLE_OK)
+ continue;
+
+ curl_easy_setopt(curlhandle, CURLOPT_NOBODY, 0L);
+ curl_easy_setopt(curlhandle, CURLOPT_HEADER, 0L);
+
+ fseek(f, uploaded_len, SEEK_SET);
+
+ curl_easy_setopt(curlhandle, CURLOPT_APPEND, 1L);
+ }
+ else { /* no */
+ curl_easy_setopt(curlhandle, CURLOPT_APPEND, 0L);
+ }
+
+ r = curl_easy_perform(curlhandle);
+ }
+
+ fclose(f);
+
+ if(r == CURLE_OK)
+ return 1;
+ else {
+ fprintf(stderr, "%s\n", curl_easy_strerror(r));
+ return 0;
+ }
+}
+
+int main(int c, char **argv)
+{
+ CURL *curlhandle = NULL;
+
+ curl_global_init(CURL_GLOBAL_ALL);
+ curlhandle = curl_easy_init();
+
+ upload(curlhandle, "ftp://user:pass@example.com/path/file", "C:\\file",
+ 0, 3);
+
+ curl_easy_cleanup(curlhandle);
+ curl_global_cleanup();
+
+ return 0;
+}