36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
//go:build (arm64be || armbe || mips || mips64 || ppc || ppc64 || s390 || s390x || sparc || sparc64) && !generate
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/*
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Copyright 2022 Alibaba Group Holding Limited.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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func ReadNumberLittleEndianHack[T constraints.Integer | constraints.Float](data *T, bs []byte) {
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ReadNumber(binary.BigEndian, data, bs)
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}
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func ReadNumberBigEndianHack[T constraints.Integer | constraints.Float](data *T, bs []byte) {
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// Hack, slice header is like the below, but it might change.
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// type sliceHeader struct {
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// Data: unsafe.Pointer,
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// Len: 8, // 64 bits can hold 8 bytes
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// Cap: 8, // cap has to be 8 as well
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// }
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// See https://go.dev/play/p/HyF4F5lWzGT for more information.
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*data = (*(*[]T)(unsafe.Pointer(&bs)))[0]
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}
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