move pkg/ioutils.HashData() to libnetwork/resolvconf

It's the only location it's used, so we might as well move it there.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

2 files changed, 0 insertions, 23 deletions

diff --git a/pkg/ioutils/readers.go b/pkg/ioutils/readers.go
index 1f657bd3dc..49d6936b14 100644
--- a/pkg/ioutils/readers.go
+++ b/pkg/ioutils/readers.go
@@ -2,8 +2,6 @@ package ioutils // import "github.com/docker/docker/pkg/ioutils"
 
 import (
 	"context"
-	"crypto/sha256"
-	"encoding/hex"
 	"io"
 )
 
@@ -49,15 +47,6 @@ func NewReaderErrWrapper(r io.Reader, closer func()) io.Reader {
 	}
 }
 
-// HashData returns the sha256 sum of src.
-func HashData(src io.Reader) (string, error) {
-	h := sha256.New()
-	if _, err := io.Copy(h, src); err != nil {
-		return "", err
-	}
-	return "sha256:" + hex.EncodeToString(h.Sum(nil)), nil
-}
-
 // OnEOFReader wraps an io.ReadCloser and a function
 // the function will run at the end of file or close the file.
 type OnEOFReader struct {
diff --git a/pkg/ioutils/readers_test.go b/pkg/ioutils/readers_test.go
index 949e28739f..15f858aceb 100644
--- a/pkg/ioutils/readers_test.go
+++ b/pkg/ioutils/readers_test.go
@@ -58,18 +58,6 @@ func TestReaderErrWrapperRead(t *testing.T) {
 	}
 }
 
-func TestHashData(t *testing.T) {
-	reader := strings.NewReader("hash-me")
-	actual, err := HashData(reader)
-	if err != nil {
-		t.Fatal(err)
-	}
-	expected := "sha256:4d11186aed035cc624d553e10db358492c84a7cd6b9670d92123c144930450aa"
-	if actual != expected {
-		t.Fatalf("Expecting %s, got %s", expected, actual)
-	}
-}
-
 type perpetualReader struct{}
 
 func (p *perpetualReader) Read(buf []byte) (n int, err error) {