-sanitize utf8 api a bit

2 files changed, 9 insertions, 17 deletions

diff --git a/src/include/gnunet_gnsrecord_lib.h b/src/include/gnunet_gnsrecord_lib.h
index cbf7ee15c..590d83476 100644
--- a/src/include/gnunet_gnsrecord_lib.h
+++ b/src/include/gnunet_gnsrecord_lib.h
@@ -431,7 +431,8 @@ GNUNET_GNSRECORD_is_expired (const struct GNUNET_GNSRECORD_Data *rd);
 
 
 /**
- * Normalize a UTF-8 string to UTF-8 NFC
+ * Normalize a UTF-8 string to a GNS name
+ *
  * @param src source string
  * @return converted result
  */
@@ -440,15 +441,6 @@ GNUNET_GNSRECORD_string_normalize (const char *src);
 
 
 /**
- * Convert a UTF-8 string to UTF-8 lowercase
- * @param src source string
- * @return converted result
- */
-char *
-GNUNET_GNSRECORD_string_to_lowercase (const char *src);
-
-
-/**
  * Convert a zone to a string (for printing debug messages).
  * This is one of the very few calls in the entire API that is
  * NOT reentrant!
diff --git a/src/include/gnunet_strings_lib.h b/src/include/gnunet_strings_lib.h
index 9dd2f733e..09c547b09 100644
--- a/src/include/gnunet_strings_lib.h
+++ b/src/include/gnunet_strings_lib.h
@@ -159,14 +159,12 @@ GNUNET_STRINGS_to_utf8 (const char *input,
 
 /**
  * Normalize the utf-8 input string to NFC.
- * Output needs to be allocated appropriately.
  *
  * @param input input string
- * @param output output buffer
+ * @return result (freshly allocated) or NULL on error.
  */
-void
-GNUNET_STRINGS_utf8_normalize (const char *input,
-                               char *output);
+char*
+GNUNET_STRINGS_utf8_normalize (const char *input);
 
 
 /**
@@ -192,8 +190,9 @@ GNUNET_STRINGS_from_utf8 (const char *input,
  *
  * @param input input string
  * @param output output buffer
+ * @return GNUNET_OK on success
  */
-void
+enum GNUNET_GenericReturnValue
 GNUNET_STRINGS_utf8_tolower (const char *input,
                              char *output);
 
@@ -204,8 +203,9 @@ GNUNET_STRINGS_utf8_tolower (const char *input,
  *
  * @param input input string
  * @param output output buffer
+ * @return GNUNET_OK on success
  */
-void
+enum GNUNET_GenericReturnValue
 GNUNET_STRINGS_utf8_toupper (const char *input,
                              char *output);