1 files changed, 90 insertions, 0 deletions
diff --git a/src/examples/querystring_example.c b/src/examples/querystring_example.c
new file mode 100644
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+++ b/src/examples/querystring_example.c
@@ -0,0 +1,90 @@
+/*
+     This file is part of libmicrohttpd
+     Copyright (C) 2007, 2008 Christian Grothoff (and other contributing authors)
+
+     This library is free software; you can redistribute it and/or
+     modify it under the terms of the GNU Lesser General Public
+     License as published by the Free Software Foundation; either
+     version 2.1 of the License, or (at your option) any later version.
+
+     This library is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     Lesser General Public License for more details.
+
+     You should have received a copy of the GNU Lesser General Public
+     License along with this library; if not, write to the Free Software
+     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+/**
+ * @file querystring_example.c
+ * @brief example for how to get the query string from libmicrohttpd
+ *        Call with an URI ending with something like "?q=QUERY"
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include <microhttpd.h>
+
+#define PAGE "<html><head><title>libmicrohttpd demo</title></head><body>Query string for &quot;%s&quot; was &quot;%s&quot;</body></html>"
+
+static int
+ahc_echo (void *cls,
+          struct MHD_Connection *connection,
+          const char *url,
+          const char *method,
+          const char *version,
+          const char *upload_data, size_t *upload_data_size, void **ptr)
+{
+  static int aptr;
+  const char *fmt = cls;
+  const char *val;
+  char *me;
+  struct MHD_Response *response;
+  int ret;
+
+  if (0 != strcmp (method, "GET"))
+    return MHD_NO;              /* unexpected method */
+  if (&aptr != *ptr)
+    {
+      /* do never respond on first call */
+      *ptr = &aptr;
+      return MHD_YES;
+    }
+  *ptr = NULL;                  /* reset when done */
+  val = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "q");
+  me = malloc (snprintf (NULL, 0, fmt, "q", val) + 1);
+  if (me == NULL)
+    return MHD_NO;
+  sprintf (me, fmt, "q", val);
+  response = MHD_create_response_from_buffer (strlen (me), me,
+					      MHD_RESPMEM_MUST_FREE);
+  if (response == NULL)
+    {
+      free (me);
+      return MHD_NO;
+    }
+  ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+  MHD_destroy_response (response);
+  return ret;
+}
+
+int
+main (int argc, char *const *argv)
+{
+  struct MHD_Daemon *d;
+
+  if (argc != 2)
+    {
+      printf ("%s PORT\n", argv[0]);
+      return 1;
+    }
+  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
+                        atoi (argv[1]),
+                        NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END);
+  if (d == NULL)
+    return 1;
+  (void) getc (stdin);
+  MHD_stop_daemon (d);
+  return 0;
+}