[Global]: loading init

deps/curl/docs/examples/multi-single.c

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+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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>
+ * using the multi interface to do a single download
+ * </DESC>
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+/* somewhat unix-specific */
+#include <sys/time.h>
+#include <unistd.h>
+
+/* curl stuff */
+#include <curl/curl.h>
+
+/*
+ * Simply download an HTTP file.
+ */
+int main(void)
+{
+  CURL *http_handle;
+  CURLM *multi_handle;
+  int still_running = 1; /* keep number of running handles */
+
+  curl_global_init(CURL_GLOBAL_DEFAULT);
+
+  http_handle = curl_easy_init();
+
+  /* set the options (I left out a few, you will get the point anyway) */
+  curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
+
+  /* init a multi stack */
+  multi_handle = curl_multi_init();
+
+  /* add the individual transfers */
+  curl_multi_add_handle(multi_handle, http_handle);
+
+  do {
+    CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
+
+    if(!mc)
+      /* wait for activity, timeout or "nothing" */
+      mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
+
+    if(mc) {
+      fprintf(stderr, "curl_multi_poll() failed, code %d.\n", (int)mc);
+      break;
+    }
+
+  } while(still_running);
+
+  curl_multi_remove_handle(multi_handle, http_handle);
+
+  curl_easy_cleanup(http_handle);
+
+  curl_multi_cleanup(multi_handle);
+
+  curl_global_cleanup();
+
+  return 0;
+}