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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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