Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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46 lines
1.5 KiB
46 lines
1.5 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2023 Google LLC. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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#ifndef UPB_UTIL_COMPARE_H_ |
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#define UPB_UTIL_COMPARE_H_ |
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#include <stddef.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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// Returns true if unknown fields from the two messages are equal when sorted |
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// and varints are made canonical. |
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// |
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// This function is discouraged, as the comparison is inherently lossy without |
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// schema data: |
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// |
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// 1. We don't know whether delimited fields are sub-messages. Unknown |
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// sub-messages will therefore not have their fields sorted and varints |
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// canonicalized. |
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// 2. We don't know about oneof/non-repeated fields, which should semantically |
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// discard every value except the last. |
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typedef enum { |
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kUpb_UnknownCompareResult_Equal = 0, |
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kUpb_UnknownCompareResult_NotEqual = 1, |
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kUpb_UnknownCompareResult_OutOfMemory = 2, |
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kUpb_UnknownCompareResult_MaxDepthExceeded = 3, |
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} upb_UnknownCompareResult; |
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upb_UnknownCompareResult upb_Message_UnknownFieldsAreEqual(const char* buf1, |
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size_t size1, |
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const char* buf2, |
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size_t size2, |
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int max_depth); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#endif /* UPB_UTIL_COMPARE_H_ */
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