1 files changed, 74 insertions, 0 deletions
diff --git a/subversion/libsvn_subr/checksum.h b/subversion/libsvn_subr/checksum.h
new file mode 100644
index 0000000..2a03cdf
--- /dev/null
+++ b/subversion/libsvn_subr/checksum.h
@@ -0,0 +1,74 @@
+/*
+ * checksum.h: Converting and comparing checksums
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you under the Apache License, Version 2.0 (the
+ *    "License"); you may not use this file except in compliance
+ *    with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing,
+ *    software distributed under the License is distributed on an
+ *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *    KIND, either express or implied.  See the License for the
+ *    specific language governing permissions and limitations
+ *    under the License.
+ * ====================================================================
+ */
+
+#ifndef SVN_LIBSVN_SUBR_CHECKSUM_H
+#define SVN_LIBSVN_SUBR_CHECKSUM_H
+
+#include <apr_pools.h>
+
+#include "svn_checksum.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+
+/* The digest of the given KIND for the empty string. */
+const unsigned char *
+svn__empty_string_digest(svn_checksum_kind_t kind);
+
+
+/* Return the hex representation of DIGEST, which must be
+ * DIGEST_SIZE bytes long, allocating the string in POOL.
+ */
+const char *
+svn__digest_to_cstring_display(const unsigned char digest[],
+                               apr_size_t digest_size,
+                               apr_pool_t *pool);
+
+
+/* Return the hex representation of DIGEST, which must be
+ * DIGEST_SIZE bytes long, allocating the string in POOL.
+ * If DIGEST is all zeros, then return NULL.
+ */
+const char *
+svn__digest_to_cstring(const unsigned char digest[],
+                       apr_size_t digest_size,
+                       apr_pool_t *pool);
+
+
+/* Compare digests D1 and D2, each DIGEST_SIZE bytes long.
+ * If neither is all zeros, and they do not match, then return FALSE;
+ * else return TRUE.
+ */
+svn_boolean_t
+svn__digests_match(const unsigned char d1[],
+                   const unsigned char d2[],
+                   apr_size_t digest_size);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* SVN_LIBSVN_SUBR_CHECKSUM_H */