50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
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// Copyright (c) 2019 FOSS contributors of https://github.com/nxadm/tail
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// Copyright (c) 2015 HPE Software Inc. All rights reserved.
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// Copyright (c) 2013 ActiveState Software Inc. All rights reserved.
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package util
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import (
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"fmt"
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"log"
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"os"
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"runtime/debug"
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)
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type Logger struct {
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*log.Logger
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}
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var LOGGER = &Logger{log.New(os.Stderr, "", log.LstdFlags)}
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// fatal is like panic except it displays only the current goroutine's stack.
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func Fatal(format string, v ...interface{}) {
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// https://github.com/nxadm/log/blob/master/log.go#L45
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LOGGER.Output(2, fmt.Sprintf("FATAL -- "+format, v...)+"\n"+string(debug.Stack()))
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os.Exit(1)
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}
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// partitionString partitions the string into chunks of given size,
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// with the last chunk of variable size.
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func PartitionString(s string, chunkSize int) []string {
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if chunkSize <= 0 {
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panic("invalid chunkSize")
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}
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length := len(s)
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chunks := 1 + length/chunkSize
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start := 0
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end := chunkSize
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parts := make([]string, 0, chunks)
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for {
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if end > length {
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end = length
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}
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parts = append(parts, s[start:end])
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if end == length {
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break
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}
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start, end = end, end+chunkSize
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}
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return parts
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}
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