Update dependencies

vendor/github.com/minio/minio-go/api-put-object-multipart.go

@@ -24,6 +24,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"net/url"
+	"runtime/debug"
 	"sort"
 	"strconv"
 	"strings"
@@ -33,7 +34,7 @@ import (
 
 func (c Client) putObjectMultipart(bucketName, objectName string, reader io.Reader, size int64,
 	metadata map[string][]string, progress io.Reader) (n int64, err error) {
-	n, err = c.putObjectMultipartNoStream(bucketName, objectName, reader, size, metadata, progress)
+	n, err = c.putObjectMultipartNoStream(bucketName, objectName, reader, metadata, progress)
 	if err != nil {
 		errResp := ToErrorResponse(err)
 		// Verify if multipart functionality is not available, if not
@@ -50,8 +51,7 @@ func (c Client) putObjectMultipart(bucketName, objectName string, reader io.Read
 	return n, err
 }
 
-func (c Client) putObjectMultipartNoStream(bucketName, objectName string, reader io.Reader, size int64,
-	metadata map[string][]string, progress io.Reader) (n int64, err error) {
+func (c Client) putObjectMultipartNoStream(bucketName, objectName string, reader io.Reader, metadata map[string][]string, progress io.Reader) (n int64, err error) {
 	// Input validation.
 	if err = s3utils.CheckValidBucketName(bucketName); err != nil {
 		return 0, err
@@ -68,7 +68,7 @@ func (c Client) putObjectMultipartNoStream(bucketName, objectName string, reader
 	var complMultipartUpload completeMultipartUpload
 
 	// Calculate the optimal parts info for a given size.
-	totalPartsCount, partSize, _, err := optimalPartInfo(size)
+	totalPartsCount, partSize, _, err := optimalPartInfo(-1)
 	if err != nil {
 		return 0, err
 	}
@@ -88,65 +88,61 @@ func (c Client) putObjectMultipartNoStream(bucketName, objectName string, reader
 	// Part number always starts with '1'.
 	partNumber := 1
 
-	// Initialize a temporary buffer.
-	tmpBuffer := new(bytes.Buffer)
-
 	// Initialize parts uploaded map.
 	partsInfo := make(map[int]ObjectPart)
 
+	// Create a buffer.
+	buf := make([]byte, partSize)
+	defer debug.FreeOSMemory()
+
 	for partNumber <= totalPartsCount {
 		// Choose hash algorithms to be calculated by hashCopyN,
 		// avoid sha256 with non-v4 signature request or
 		// HTTPS connection.
 		hashAlgos, hashSums := c.hashMaterials()
 
-		// Calculates hash sums while copying partSize bytes into tmpBuffer.
-		prtSize, rErr := hashCopyN(hashAlgos, hashSums, tmpBuffer, reader, partSize)
-		if rErr != nil && rErr != io.EOF {
+		length, rErr := io.ReadFull(reader, buf)
+		if rErr == io.EOF {
+			break
+		}
+		if rErr != nil && rErr != io.ErrUnexpectedEOF {
 			return 0, rErr
 		}
 
-		var reader io.Reader
+		// Calculates hash sums while copying partSize bytes into cw.
+		for k, v := range hashAlgos {
+			v.Write(buf[:length])
+			hashSums[k] = v.Sum(nil)
+		}
+
 		// Update progress reader appropriately to the latest offset
 		// as we read from the source.
-		reader = newHook(tmpBuffer, progress)
+		rd := newHook(bytes.NewReader(buf[:length]), progress)
 
 		// Proceed to upload the part.
 		var objPart ObjectPart
-		objPart, err = c.uploadPart(bucketName, objectName, uploadID, reader, partNumber,
-			hashSums["md5"], hashSums["sha256"], prtSize, metadata)
+		objPart, err = c.uploadPart(bucketName, objectName, uploadID, rd, partNumber,
+			hashSums["md5"], hashSums["sha256"], int64(length), metadata)
 		if err != nil {
-			// Reset the temporary buffer upon any error.
-			tmpBuffer.Reset()
 			return totalUploadedSize, err
 		}
 
 		// Save successfully uploaded part metadata.
 		partsInfo[partNumber] = objPart
 
-		// Reset the temporary buffer.
-		tmpBuffer.Reset()
-
 		// Save successfully uploaded size.
-		totalUploadedSize += prtSize
+		totalUploadedSize += int64(length)
 
 		// Increment part number.
 		partNumber++
 
 		// For unknown size, Read EOF we break away.
 		// We do not have to upload till totalPartsCount.
-		if size < 0 && rErr == io.EOF {
+		if rErr == io.EOF {
 			break
 		}
 	}
 
-	// Verify if we uploaded all the data.
-	if size > 0 {
-		if totalUploadedSize != size {
-			return totalUploadedSize, ErrUnexpectedEOF(totalUploadedSize, size, bucketName, objectName)
-		}
-	}
-
 	// Loop over total uploaded parts to save them in
 	// Parts array before completing the multipart request.
 	for i := 1; i < partNumber; i++ {