exchange

commit bba9ba6f0ec01a71ac15ac9c6b85fe1d9c500f99
parent fed7d0e782ea4d36b2d2e337d93bfd2723c6ed64
Author: Christian Grothoff <grothoff@gnunet.org>
Date:   Fri, 10 Jul 2026 09:02:36 +0200

expose char set

Diffstat:
M
src/include/taler/taler_util.h
 | 
19
+++++++++++++++++++
M
src/util/url.c
 | 
16
++++------------

2 files changed, 23 insertions(+), 12 deletions(-)
diff --git a/src/include/taler/taler_util.h b/src/include/taler/taler_util.h
@@ -439,6 +439,25 @@ TALER_is_web_url (const char *url);
 
 
 /**
+ * Check if a character is reserved and should be urlencoded.
+ *
+ * Unreserved characters:
+ *   - ASCII letters: a-z A-Z
+ *   - Digits: 0-9
+ *   - Hyphen: -
+ *   - Underscore: _
+ *   - Period: .
+ *   - Tilde: ~
+ *
+ * @param c character to look at
+ * @return true if @a c needs to be urlencoded,
+ *         false otherwise (@a c in [a-zA-Z0-9_~.-])
+ */
+bool
+TALER_url_is_reserved (char c);
+
+
+/**
  * Test if the URL is a valid slug (URL-safe string).
  *
  * Allowed characters:
diff --git a/src/util/url.c b/src/util/url.c
@@ -21,16 +21,8 @@
 #include "taler/taler_util.h"
 
 
-/**
- * Check if a character is reserved and should
- * be urlencoded.
- *
- * @param c character to look at
- * @return true if @a c needs to be urlencoded,
- *         false otherwise
- */
-static bool
-is_reserved (char c)
+bool
+TALER_url_is_reserved (char c)
 {
   switch (c)
   {
@@ -67,7 +59,7 @@ urlencode_len (const char *s)
 {
   size_t len = 0;
   for (; *s != '\0'; len++, s++)
-    if (is_reserved (*s))
+    if (TALER_url_is_reserved (*s))
       len += 2;
   return len;
 }
@@ -91,7 +83,7 @@ buffer_write_urlencode (struct GNUNET_Buffer *buf,
                                   ulen + 1);
   for (size_t i = 0; i < strlen (s); i++)
   {
-    if (GNUNET_YES == is_reserved (s[i]))
+    if (TALER_url_is_reserved (s[i]))
       GNUNET_buffer_write_fstr (buf,
                                 "%%%02X",
                                 (unsigned char) s[i]);