xref: /aosp_15_r20/external/icing/icing/file/posting_list/posting-list-common.h (revision 8b6cd535a057e39b3b86660c4aa06c99747c2136)
1 // Copyright (C) 2022 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef ICING_FILE_POSTING_LIST_POSTING_LIST_COMMON_H_
16 #define ICING_FILE_POSTING_LIST_POSTING_LIST_COMMON_H_
17 
18 #include <cstdint>
19 
20 namespace icing {
21 namespace lib {
22 
23 // A FlashIndexBlock can contain multiple posting lists. This specifies which
24 // PostingList in the FlashIndexBlock we want to refer to.
25 using PostingListIndex = int32_t;
26 inline constexpr PostingListIndex kInvalidPostingListIndex = ~0U;
27 
28 inline constexpr uint32_t kInvalidBlockIndex = 0;
29 
30 }  //  namespace lib
31 }  //  namespace icing
32 
33 #endif  // ICING_FILE_POSTING_LIST_POSTING_LIST_COMMON_H_
34