status-go/vendor/github.com/nxadm/tail/util/util.go

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2022-04-01 16:16:46 +00:00
// Copyright (c) 2019 FOSS contributors of https://github.com/nxadm/tail
// Copyright (c) 2015 HPE Software Inc. All rights reserved.
// Copyright (c) 2013 ActiveState Software Inc. All rights reserved.
package util
import (
"fmt"
"log"
"os"
"runtime/debug"
)
type Logger struct {
*log.Logger
}
var LOGGER = &Logger{log.New(os.Stderr, "", log.LstdFlags)}
// fatal is like panic except it displays only the current goroutine's stack.
func Fatal(format string, v ...interface{}) {
// https://github.com/nxadm/log/blob/master/log.go#L45
LOGGER.Output(2, fmt.Sprintf("FATAL -- "+format, v...)+"\n"+string(debug.Stack()))
os.Exit(1)
}
// partitionString partitions the string into chunks of given size,
// with the last chunk of variable size.
func PartitionString(s string, chunkSize int) []string {
if chunkSize <= 0 {
panic("invalid chunkSize")
}
length := len(s)
chunks := 1 + length/chunkSize
start := 0
end := chunkSize
parts := make([]string, 0, chunks)
for {
if end > length {
end = length
}
parts = append(parts, s[start:end])
if end == length {
break
}
start, end = end, end+chunkSize
}
return parts
}