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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/util/kv_map.h | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/util/kv_map.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/rocksdb/util/kv_map.h b/src/rocksdb/util/kv_map.h new file mode 100644 index 000000000..62be6d18e --- /dev/null +++ b/src/rocksdb/util/kv_map.h @@ -0,0 +1,33 @@ +// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). +#pragma once + +#include <map> +#include <string> + +#include "rocksdb/comparator.h" +#include "rocksdb/slice.h" +#include "util/coding.h" + +namespace ROCKSDB_NAMESPACE { +namespace stl_wrappers { + +struct LessOfComparator { + explicit LessOfComparator(const Comparator* c = BytewiseComparator()) + : cmp(c) {} + + bool operator()(const std::string& a, const std::string& b) const { + return cmp->Compare(Slice(a), Slice(b)) < 0; + } + bool operator()(const Slice& a, const Slice& b) const { + return cmp->Compare(a, b) < 0; + } + + const Comparator* cmp; +}; + +using KVMap = std::map<std::string, std::string, LessOfComparator>; +} // namespace stl_wrappers +} // namespace ROCKSDB_NAMESPACE |