Fix uses of deprecated io/ioutil package

Author: ncw

mega.go

@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"math/big"
 	mrand "math/rand"
@@ -496,7 +495,7 @@ func (m *Mega) api_request(r []byte) (buf []byte, err error) {
 			continue
 		}
 
-		buf, err = ioutil.ReadAll(resp.Body)
+		buf, err = io.ReadAll(resp.Body)
 		if err != nil {
 			_ = resp.Body.Close()
 			continue
@@ -1170,7 +1169,7 @@ func (d *Download) DownloadChunk(id int) (chunk []byte, err error) {
 		return nil, errors.New("retries exceeded")
 	}
 
-	chunk, err = ioutil.ReadAll(resp.Body)
+	chunk, err = io.ReadAll(resp.Body)
 	if err != nil {
 		_ = resp.Body.Close()
 		return nil, err
@@ -1524,7 +1523,7 @@ func (u *Upload) UploadChunk(id int, chunk []byte) (err error) {
 		return errors.New("retries exceeded")
 	}
 
-	chunk_resp, err := ioutil.ReadAll(rsp.Body)
+	chunk_resp, err := io.ReadAll(rsp.Body)
 	if err != nil {
 		_ = rsp.Body.Close()
 		return err
@@ -1995,7 +1994,7 @@ func (m *Mega) pollEvents() {
 			continue
 		}
 
-		buf, err := ioutil.ReadAll(resp.Body)
+		buf, err := io.ReadAll(resp.Body)
 		if err != nil {
 			m.logf("pollEvents: Error reading body: %v", err)
 			_ = resp.Body.Close()

mega_test.go

@@ -5,7 +5,7 @@ import (
 	"crypto/rand"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 	"path/filepath"
 	"sync"
@@ -60,7 +60,7 @@ func createFile(t *testing.T, size int64) (string, string) {
 	if err != nil {
 		t.Fatalf("Error reading rand: %v", err)
 	}
-	file, err := ioutil.TempFile(os.TempDir(), "gomega-")
+	file, err := os.CreateTemp(os.TempDir(), "gomega-")
 	if err != nil {
 		t.Fatalf("Error creating temp file: %v", err)
 	}
@@ -121,7 +121,7 @@ func fileMD5(t *testing.T, name string) string {
 			t.Fatalf("Error closing temp file: %v", err)
 		}
 	}()
-	b, err := ioutil.ReadAll(file)
+	b, err := io.ReadAll(file)
 	if err != nil {
 		t.Fatalf("Failed to read all %q: %v", name, err)
 	}