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minio/xl-v1-utils.go

36 lines
1.1 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
// checkBlockSize return the size of a single block.
// The first non-zero size is returned,
// or 0 if all blocks are size 0.
func checkBlockSize(blocks [][]byte) int {
for _, block := range blocks {
if len(block) != 0 {
return len(block)
}
}
return 0
}
// calculate the blockSize based on input length and total number of
// data blocks.
func getEncodedBlockLen(inputLen int64, dataBlocks int) (curBlockSize int64) {
curBlockSize = (inputLen + int64(dataBlocks) - 1) / int64(dataBlocks)
return curBlockSize
}