Import curl 7.43
This is a simple import of curl 7.43.
The only change from the official release is the fact that the
Android.mk was removed to avoid build error trying to parse it.
BUG: 22347561
Change-Id: I52ef6798d30b25d22d1f62770d571adec8bcf4d5
diff --git a/docs/examples/imap-multi.c b/docs/examples/imap-multi.c
new file mode 100644
index 0000000..c7dc130
--- /dev/null
+++ b/docs/examples/imap-multi.c
@@ -0,0 +1,167 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, 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 http://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.
+ *
+ ***************************************************************************/
+#include <stdio.h>
+#include <curl/curl.h>
+
+/* This is a simple example showing how to fetch mail using libcurl's IMAP
+ * capabilities. It builds on the imap-fetch.c example to demonstrate how to
+ * use libcurl's multi interface.
+ *
+ * Note that this example requires libcurl 7.30.0 or above.
+ */
+
+#define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
+
+static struct timeval tvnow(void)
+{
+ struct timeval now;
+
+ /* time() returns the value of time in seconds since the epoch */
+ now.tv_sec = (long)time(NULL);
+ now.tv_usec = 0;
+
+ return now;
+}
+
+static long tvdiff(struct timeval newer, struct timeval older)
+{
+ return (newer.tv_sec - older.tv_sec) * 1000 +
+ (newer.tv_usec - older.tv_usec) / 1000;
+}
+
+int main(void)
+{
+ CURL *curl;
+ CURLM *mcurl;
+ int still_running = 1;
+ struct timeval mp_start;
+
+ curl_global_init(CURL_GLOBAL_DEFAULT);
+
+ curl = curl_easy_init();
+ if(!curl)
+ return 1;
+
+ mcurl = curl_multi_init();
+ if(!mcurl)
+ return 2;
+
+ /* Set username and password */
+ curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
+ curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
+
+ /* This will fetch message 1 from the user's inbox */
+ curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/INBOX/;UID=1");
+
+ /* Tell the multi stack about our easy handle */
+ curl_multi_add_handle(mcurl, curl);
+
+ /* Record the start time which we can use later */
+ mp_start = tvnow();
+
+ /* We start some action by calling perform right away */
+ curl_multi_perform(mcurl, &still_running);
+
+ while(still_running) {
+ struct timeval timeout;
+ fd_set fdread;
+ fd_set fdwrite;
+ fd_set fdexcep;
+ int maxfd = -1;
+ int rc;
+ CURLMcode mc; /* curl_multi_fdset() return code */
+
+ long curl_timeo = -1;
+
+ /* Initialise the file descriptors */
+ FD_ZERO(&fdread);
+ FD_ZERO(&fdwrite);
+ FD_ZERO(&fdexcep);
+
+ /* Set a suitable timeout to play around with */
+ timeout.tv_sec = 1;
+ timeout.tv_usec = 0;
+
+ curl_multi_timeout(mcurl, &curl_timeo);
+ if(curl_timeo >= 0) {
+ timeout.tv_sec = curl_timeo / 1000;
+ if(timeout.tv_sec > 1)
+ timeout.tv_sec = 1;
+ else
+ timeout.tv_usec = (curl_timeo % 1000) * 1000;
+ }
+
+ /* get file descriptors from the transfers */
+ mc = curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
+
+ if(mc != CURLM_OK)
+ {
+ fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc);
+ break;
+ }
+
+ /* On success the value of maxfd is guaranteed to be >= -1. We call
+ select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
+ no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
+ to sleep 100ms, which is the minimum suggested value in the
+ curl_multi_fdset() doc. */
+
+ if(maxfd == -1) {
+#ifdef _WIN32
+ Sleep(100);
+ rc = 0;
+#else
+ /* Portable sleep for platforms other than Windows. */
+ struct timeval wait = { 0, 100 * 1000 }; /* 100ms */
+ rc = select(0, NULL, NULL, NULL, &wait);
+#endif
+ }
+ else {
+ /* Note that on some platforms 'timeout' may be modified by select().
+ If you need access to the original value save a copy beforehand. */
+ rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
+ }
+
+ if(tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
+ fprintf(stderr,
+ "ABORTING: Since it seems that we would have run forever.\n");
+ break;
+ }
+
+ switch(rc) {
+ case -1: /* select error */
+ break;
+ case 0: /* timeout */
+ default: /* action */
+ curl_multi_perform(mcurl, &still_running);
+ break;
+ }
+ }
+
+ /* Always cleanup */
+ curl_multi_remove_handle(mcurl, curl);
+ curl_multi_cleanup(mcurl);
+ curl_easy_cleanup(curl);
+ curl_global_cleanup();
+
+ return 0;
+}