client_manager: add API for async operations

[oweals/gnunet.git] / src / include / gnunet_dnsparser_lib.h

diff --git a/src/include/gnunet_dnsparser_lib.h b/src/include/gnunet_dnsparser_lib.h
index fc4b7444eecbbaa768ccc4bac909106552c8f506..102cfe85dfa7fe448b1a8910ccc2036f2bc6345a 100644 (file)
--- a/src/include/gnunet_dnsparser_lib.h
+++ b/src/include/gnunet_dnsparser_lib.h
@@ -1,6 +1,6 @@
 /*
       This file is part of GNUnet
-      (C) 2010-2013 Christian Grothoff (and other contributing authors)
+      Copyright (C) 2010-2014 Christian Grothoff (and other contributing authors)
 
       GNUnet is free software; you can redistribute it and/or modify
       it under the terms of the GNU General Public License as published
@@ -859,4 +859,29 @@ void
 GNUNET_DNSPARSER_free_cert (struct GNUNET_DNSPARSER_CertRecord *cert);
 
 
+/**
+ * Convert a block of binary data to HEX.
+ *
+ * @param data binary data to convert
+ * @param data_size number of bytes in @a data
+ * @return HEX string (lower case)
+ */
+char *
+GNUNET_DNSPARSER_bin_to_hex (const void *data,
+                             size_t data_size);
+
+
+/**
+ * Convert a HEX string to block of binary data.
+ *
+ * @param hex HEX string to convert (may contain mixed case)
+ * @param data where to write result, must be
+ *             at least `strlen(hex)/2` bytes long
+ * @return number of bytes written to data
+ */
+size_t
+GNUNET_DNSPARSER_hex_to_bin (const char *hex,
+                             void *data);
+
+
 #endif