import 12.2.13 release

[ceph.git] / ceph / src / zstd / lib / legacy / zstd_v05.h

diff --git a/ceph/src/zstd/lib/legacy/zstd_v05.h b/ceph/src/zstd/lib/legacy/zstd_v05.h
index da26d96cff5ebd61feb4f8dc46f90c6994d3fc71..b68fd578ee9f08fb7d9c69d8cb640a02cf8bca76 100644 (file)
--- a/ceph/src/zstd/lib/legacy/zstd_v05.h
+++ b/ceph/src/zstd/lib/legacy/zstd_v05.h
@@ -1,10 +1,11 @@
-/**
+/*
  * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
  */
 
 #ifndef ZSTDv05_H
@@ -32,6 +33,13 @@ extern "C" {
 size_t ZSTDv05_decompress( void* dst, size_t dstCapacity,
                      const void* src, size_t compressedSize);
 
+/**
+ZSTDv05_getFrameSrcSize() : get the source length of a ZSTD frame
+    compressedSize : The size of the 'src' buffer, at least as large as the frame pointed to by 'src'
+    return : the number of bytes that would be read to decompress this frame
+             or an errorCode if it fails (which can be tested using ZSTDv05_isError())
+*/
+size_t ZSTDv05_findFrameCompressedSize(const void* src, size_t compressedSize);
 
 /* *************************************
 *  Helper functions