un-nest curl

curl-8.15.0/tests/libtest/lib1512.c

@@ -0,0 +1,93 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Linus Nielsen Feltzing <linus@haxx.se>
+ *
+ * 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
+ *
+ ***************************************************************************/
+
+/*
+ * Use global DNS cache (while deprecated it should still work), populate it
+ * with CURLOPT_RESOLVE in the first request and then make sure a subsequent
+ * easy transfer finds and uses the populated stuff.
+ */
+
+#include "first.h"
+
+#include "memdebug.h"
+
+static CURLcode test_lib1512(char *URL)
+{
+  CURLcode res = CURLE_OK;
+  CURL *curl[2] = {NULL, NULL};
+  char *port = libtest_arg3;
+  char *address = libtest_arg2;
+  char dnsentry[256];
+  struct curl_slist *slist = NULL;
+  size_t i;
+  char target_url[256];
+  (void)URL; /* URL is setup in the code */
+
+  if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+    curl_mfprintf(stderr, "curl_global_init() failed\n");
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  curl_msnprintf(dnsentry, sizeof(dnsentry), "server.example.curl:%s:%s",
+                 port, address);
+  curl_mprintf("%s\n", dnsentry);
+  slist = curl_slist_append(slist, dnsentry);
+
+  /* get each easy handle */
+  for(i = 0; i < CURL_ARRAYSIZE(curl); i++) {
+    /* get an easy handle */
+    easy_init(curl[i]);
+    /* specify target */
+    curl_msnprintf(target_url, sizeof(target_url),
+                   "http://server.example.curl:%s/path/1512%04i",
+                   port, (int)i + 1);
+    target_url[sizeof(target_url) - 1] = '\0';
+    easy_setopt(curl[i], CURLOPT_URL, target_url);
+    /* go verbose */
+    easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
+    /* include headers */
+    easy_setopt(curl[i], CURLOPT_HEADER, 1L);
+
+    easy_setopt(curl[i], CURLOPT_DNS_USE_GLOBAL_CACHE, 1L);
+  }
+
+  /* make the first one populate the GLOBAL cache */
+  easy_setopt(curl[0], CURLOPT_RESOLVE, slist);
+
+  /* run each transfer */
+  for(i = 0; (i < CURL_ARRAYSIZE(curl)) && !res; i++) {
+    res = curl_easy_perform(curl[i]);
+    if(res)
+      goto test_cleanup;
+  }
+
+test_cleanup:
+
+  curl_easy_cleanup(curl[0]);
+  curl_easy_cleanup(curl[1]);
+  curl_slist_free_all(slist);
+  curl_global_cleanup();
+
+  return res;
+}