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32 lines
502 B
Go
32 lines
502 B
Go
package main
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import (
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"fmt"
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"log"
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"os"
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)
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var logger = log.New(os.Stderr, "", log.Lshortfile|log.LstdFlags)
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func logf(f string, v ...interface{}) {
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if config.Verbose {
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logger.Output(2, fmt.Sprintf(f, v...))
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}
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}
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type logHelper struct {
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prefix string
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}
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func (l *logHelper) Write(p []byte) (n int, err error) {
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if config.Verbose {
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logger.Printf("%s%s\n", l.prefix, p)
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return len(p), nil
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}
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return len(p), nil
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}
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func newLogHelper(prefix string) *logHelper {
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return &logHelper{prefix}
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}
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