1 files changed, 73 insertions, 0 deletions
diff --git a/lib/datum.h b/lib/datum.h
new file mode 100644
index 0000000..35b9e3b
--- /dev/null
+++ b/lib/datum.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2000-2012 Free Software Foundation, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS 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 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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 this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef GNUTLS_LIB_DATUM_H
+#define GNUTLS_LIB_DATUM_H
+
+# include "gnutls_int.h"
+
+/* This will copy the provided data in @dat. If the provided data are
+ * NULL or zero-size @dat will be NULL as well.
+ */
+NODISCARD ATTRIBUTE_NONNULL((1))
+int _gnutls_set_datum(gnutls_datum_t * dat, const void *data,
+		      size_t data_size);
+
+/* This will always return a non-NULL, and zero-terminated string in @dat.
+ */
+NODISCARD ATTRIBUTE_NONNULL((1))
+int _gnutls_set_strdatum(gnutls_datum_t * dat, const void *data,
+			 size_t data_size);
+
+
+inline static
+void _gnutls_free_datum(gnutls_datum_t * dat)
+{
+	if (dat != NULL) {
+		gnutls_free(dat->data);
+		dat->size = 0;
+	}
+}
+
+inline static ATTRIBUTE_NONNULL()
+void _gnutls_free_temp_key_datum(gnutls_datum_t * dat)
+{
+	if (dat->data != NULL) {
+		zeroize_temp_key(dat->data, dat->size);
+		gnutls_free(dat->data);
+	}
+
+	dat->size = 0;
+}
+
+inline static ATTRIBUTE_NONNULL()
+void _gnutls_free_key_datum(gnutls_datum_t * dat)
+{
+	if (dat->data != NULL) {
+		zeroize_key(dat->data, dat->size);
+		gnutls_free(dat->data);
+	}
+
+	dat->size = 0;
+}
+
+#endif /* GNUTLS_LIB_DATUM_H */