From 3a6ae694ecba19af06d84906facbcb5f7d51d72b Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 2 Aug 2021 19:48:37 +0200
Subject: -work on #6948

---
 src/include/taler_util.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/include/taler_util.h')

diff --git a/src/include/taler_util.h b/src/include/taler_util.h
index 33c126cbc..59824a521 100644
--- a/src/include/taler_util.h
+++ b/src/include/taler_util.h
@@ -183,6 +183,15 @@ TALER_project_data_default (void);
 char *
 TALER_urlencode (const char *s);
 
+/**
+ * Test if all characters in @a url are valid for
+ * a URL.
+ *
+ * @param url URL to sanity-check
+ * @return true if @a url only contains valid characters
+ */
+bool
+TALER_url_valid_charset (const char *url);
 
 /**
  * Check if @a lang matches the @a language_pattern, and if so with
-- 
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