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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MOJO_PUBLIC_C_BINDINGS_MAP_H_ | |
6 #define MOJO_PUBLIC_C_BINDINGS_MAP_H_ | |
7 | |
8 #include <mojo/macros.h> | |
9 #include <mojo/system/handle.h> | |
10 #include <stdint.h> | |
11 | |
12 #include "mojo/public/c/bindings/array.h" | |
13 #include "mojo/public/c/bindings/lib/type_descriptor.h" | |
14 #include "mojo/public/c/bindings/lib/util.h" | |
15 #include "mojo/public/c/bindings/struct.h" | |
16 | |
17 MOJO_BEGIN_EXTERN_C | |
18 | |
19 // A mojom Map is a mojom struct with two MojomArrayHeaders: keys and values. | |
20 // - Number of elements in keys == number of elements values. | |
21 // - ith key corresponds to the ith value. | |
22 struct MojomMapHeader { | |
23 struct MojomStructHeader header; | |
24 union MojomArrayHeaderPtr keys; | |
25 union MojomArrayHeaderPtr values; | |
26 }; | |
27 MOJO_STATIC_ASSERT(sizeof(struct MojomMapHeader) == 24, | |
28 "struct MojomMapHeader must be 24 bytes."); | |
29 | |
30 union MojomMapHeaderPtr { | |
31 struct MojomMapHeader* ptr; | |
32 uint64_t offset; | |
33 }; | |
34 MOJO_STATIC_ASSERT(sizeof(union MojomMapHeaderPtr) == 8, | |
35 "MojomMapHeaderPtr must be 8 bytes."); | |
36 | |
37 MojomValidationResult MojomMap_Validate( | |
38 const struct MojomTypeDescriptorStruct* in_type_desc, | |
39 const struct MojomStructHeader* in_struct, | |
40 uint32_t in_buf_size, | |
41 uint32_t in_num_handles, | |
42 struct MojomValidationContext* inout_context); | |
43 | |
44 MOJO_END_EXTERN_C | |
45 | |
46 #endif // MOJO_PUBLIC_C_BINDINGS_MAP_H_ | |
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