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40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package encoding
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import (
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"github.com/minio/minio/pkg/s3select/internal/parquet-go/common"
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)
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// Refer https://en.wikipedia.org/wiki/LEB128#Unsigned_LEB128
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func varIntEncode(ui64 uint64) []byte {
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if ui64 == 0 {
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return []byte{0}
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}
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length := int(common.BitWidth(ui64)+6) / 7
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data := make([]byte, length)
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for i := 0; i < length; i++ {
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data[i] = byte(ui64&0x7F) | 0x80
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ui64 >>= 7
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}
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data[length-1] &= 0x7F
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return data
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}
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