1 files changed, 82 insertions, 0 deletions
diff --git a/lib/isccc/include/isccc/base64.h b/lib/isccc/include/isccc/base64.h
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+++ b/lib/isccc/include/isccc/base64.h
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2001 Nominum, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NOMINUM DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ISCCC_BASE64_H
+#define ISCCC_BASE64_H 1
+
+/*! \file isccc/base64.h */
+
+#include <isc/lang.h>
+
+#include <isccc/types.h>
+
+ISC_LANG_BEGINDECLS
+
+/***
+ *** Functions
+ ***/
+
+isc_result_t
+isccc_base64_encode(isccc_region_t *source, int wordlength,
+		    const char *wordbreak, isccc_region_t *target);
+/*%<
+ * Convert data into base64 encoded text.
+ *
+ * Notes:
+ *\li	The base64 encoded text in 'target' will be divided into
+ *	words of at most 'wordlength' characters, separated by
+ * 	the 'wordbreak' string.  No parentheses will surround
+ *	the text.
+ *
+ * Requires:
+ *\li	'source' is a region containing binary data.
+ *\li	'target' is a text region containing available space.
+ *\li	'wordbreak' points to a null-terminated string of
+ *		zero or more whitespace characters.
+ */
+
+isc_result_t
+isccc_base64_decode(const char *cstr, isccc_region_t *target);
+/*%<
+ * Decode a null-terminated base64 string.
+ *
+ * Requires:
+ *\li	'cstr' is non-null.
+ *\li	'target' is a valid region.
+ *
+ * Returns:
+ *\li	#ISC_R_SUCCESS	-- the entire decoded representation of 'cstring'
+ *			   fit in 'target'.
+ *\li	#ISC_R_BADBASE64 -- 'cstr' is not a valid base64 encoding.
+ *\li	#ISC_R_NOSPACE	-- 'target' is not big enough.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISCCC_BASE64_H */