moby/pkg/ioutils/fmt.go
Hu Keping 141e91c480 Format output of docker info
Format those info which will only be displayed when daemon is
in debug mode.

Signed-off-by: Hu Keping <hukeping@huawei.com>
2015-09-23 14:35:13 +08:00

22 lines
447 B
Go

package ioutils
import (
"fmt"
"io"
)
// FprintfIfNotEmpty prints the string value if it's not empty
func FprintfIfNotEmpty(w io.Writer, format, value string) (int, error) {
if value != "" {
return fmt.Fprintf(w, format, value)
}
return 0, nil
}
// FprintfIfTrue prints the boolean value if it's true
func FprintfIfTrue(w io.Writer, format string, ok bool) (int, error) {
if ok {
return fmt.Fprintf(w, format, ok)
}
return 0, nil
}