setopt: add CURLOPT_CURLU

Allows an application to pass in a pre-parsed URL via a URL handle.

Closes #3227

2 files changed, 74 insertions, 1 deletions

diff --git a/docs/examples/Makefile.inc b/docs/examples/Makefile.inc
index f51871f06..8dd55b9df 100644
--- a/docs/examples/Makefile.inc
+++ b/docs/examples/Makefile.inc
@@ -34,7 +34,8 @@ check_PROGRAMS = 10-at-a-time anyauthput cookie_interface debug fileupload \
   imap-tls imap-multi url2file sftpget ftpsget postinmemory http2-download \
   http2-upload http2-serverpush getredirect ftpuploadfrommem               \
   ftpuploadresume sslbackend postit2-formadd multi-formadd                 \
-  shared-connection-cache sftpuploadresume http2-pushinmemory parseurl
+  shared-connection-cache sftpuploadresume http2-pushinmemory parseurl     \
+  urlapi
 
 # These examples require external dependencies that may not be commonly
 # available on POSIX systems, so don't bother attempting to compile them here.
diff --git a/docs/examples/urlapi.c b/docs/examples/urlapi.c
new file mode 100644
index 000000000..594f9420d
--- /dev/null
+++ b/docs/examples/urlapi.c
@@ -0,0 +1,72 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, 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>
+ * Set working URL with CURLU *.
+ * </DESC>
+ */
+#include <stdio.h>
+#include <curl/curl.h>
+
+#if !CURL_AT_LEAST_VERSION(7, 62, 0)
+#error "this example requires curl 7.62.0 or later"
+#endif
+
+int main(void)
+{
+  CURL *curl;
+  CURLcode res;
+
+  CURLU *urlp;
+  CURLUcode uc;
+
+  /* get a curl handle */
+  curl = curl_easy_init();
+
+  /* init Curl URL */
+  urlp = curl_url();
+  uc = curl_url_set(urlp, CURLUPART_URL,
+                    "http://example.com/path/index.html", 0);
+
+  if(uc) {
+    fprintf(stderr, "curl_url_set() failed: %in", uc);
+    goto cleanup;
+  }
+
+  if(curl) {
+    /* set urlp to use as working URL */
+    curl_easy_setopt(curl, CURLOPT_CURLU, urlp);
+    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+    res = curl_easy_perform(curl);
+    /* Check for errors */
+    if(res != CURLE_OK)
+      fprintf(stderr, "curl_easy_perform() failed: %s\n",
+              curl_easy_strerror(res));
+
+    goto cleanup;
+  }
+
+  cleanup:
+  curl_url_cleanup(urlp);
+  curl_easy_cleanup(curl);
+  return 0;
+}