From 2563686e6645024af62706014be11879d4122599 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 25 Jun 2017 12:35:57 +0200
Subject: handle '/' at end of URLs when composing http requests in
 libtalermerchant

---
 src/lib/merchant_api_common.c | 50 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/lib/merchant_api_common.c

(limited to 'src/lib/merchant_api_common.c')

diff --git a/src/lib/merchant_api_common.c b/src/lib/merchant_api_common.c
new file mode 100644
index 00000000..05e2637a
--- /dev/null
+++ b/src/lib/merchant_api_common.c
@@ -0,0 +1,50 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2014-2017 GNUnet e.V. and INRIA
+
+  TALER 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, or (at your option) any later version.
+
+  TALER 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
+  TALER; see the file COPYING.LGPL.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/merchant_api_common.c
+ * @brief Shared functionality
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+
+
+/**
+ * Obtain the URL to use for an API request.
+ *
+ * @param base_url base URL of the exchange (i.e. "http://exchange/")
+ * @param path Taler API path (i.e. "/reserve/withdraw")
+ * @return the full URI to use with cURL
+ */
+char *
+MAH_path_to_url_ (const char *base_url,
+		  const char *path)
+{
+  char *url;
+
+  if ( ('/' == path[0]) &&
+       (0 < strlen (base_url)) &&
+       ('/' == base_url[strlen (base_url) - 1]) )
+    path++; /* avoid generating URL with "//" from concat */
+  GNUNET_asprintf (&url,
+                   "%s%s",
+                   base_url,
+                   path);
+  return url;
+}
+
+/* end of merchant_api_common.c */
-- 
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