aboutsummaryrefslogtreecommitdiff
path: root/internal/util/io.go
blob: 143a520bf30ec763371ae0a4885ea85c1433df12 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
package util

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"os"

	"git.sigsum.org/sigsum-go/pkg/hex"
)

func BytesFromStdin() ([]byte, error) {
	b, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		return nil, fmt.Errorf("util: read stdin: %v", err)
	}
	return b, nil
}

func HexFromStdin() ([]byte, error) {
	b, err := BytesFromStdin()
	if err != nil {
		return nil, err
	}
	b, err = hex.Deserialize(string(bytes.TrimSpace(b)))
	if err != nil {
		return nil, fmt.Errorf("util: parse stdin: %v", err)
	}
	return b, nil
}