ErrAuthHeaderEmpty: {
		Code:           "InvalidArgument",
		Description:    "Authorization header is invalid -- one and only one ' ' (space) required.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMissingDateHeader: {
		Code:           "AccessDenied",
		Description:    "AWS authentication requires a valid Date or x-amz-date header",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidQuerySignatureAlgo: {

}

// nextSuffix - provides a new unique suffix every time the function is called.
func nextSuffix() string {
	randmu.Lock()
	r := randN
	// Initial seed required, generate one.
	if r == 0 {
		r = reseed()
	}
	// constants from Numerical Recipes
	r = r*1664525 + 1013904223
	randN = r
	randmu.Unlock()
	return strconv.Itoa(int(1e9 + r%1e9))[1:]
}

		err = msgp.WrapError(err, "FailedCount")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BucketReplicationStat) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 14
	// string "ReplicatedSize"
	o = append(o, 0x8e, 0xae, 0x52, 0x65, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x65, 0x64, 0x53, 0x69, 0x7a, 0x65)
	o = msgp.AppendInt64(o, z.ReplicatedSize)

	// the 'null' version. We add a free-version to track its tiered
	// content for asynchronous deletion.
	//
	// Note: RestoreObject and HealObject requests don't end up replacing the
	// null version and therefore don't require the free-version to track
	// anything
	if fi.VersionID == "" && !fi.IsRestoreObjReq() && !fi.Healing() {
		// Note: Restore object request reuses PutObject/Multipart

	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z ChecksumAlgo) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendUint8(o, uint8(z))
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *ChecksumAlgo) UnmarshalMsg(bts []byte) (o []byte, err error) {
	{
		var zb0001 uint8

	var err error
	var svcPolicies []string
	roleArn := args.GetRoleArn()

	switch {
	case isOwnerDerived:
		// All actions are allowed by default and no policy evaluation is
		// required.

	case roleArn != "":
		arn, err := arn.Parse(roleArn)
		if err != nil {
			iamLogIf(GlobalContext, fmt.Errorf("error parsing role ARN %s: %v", roleArn, err))
			return false
		}

		return
	}

	// Content-Md5 is required should be set
	// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
	if _, ok := r.Header[xhttp.ContentMD5]; !ok {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentMD5), r.URL)
		return
	}

	// Content-Length is required and should be non-zero

// just the contents of the pointer being passed, not any other part
// of the memory allocation. This is run after checkIndex, which looks
// for the special case of &a[i], which requires different checks.
func (p *Package) checkAddr(sb, sbCheck *bytes.Buffer, arg ast.Expr, i int) bool {
	// Strip type conversions.
	px := &arg
	for {
		c, ok := (*px).(*ast.CallExpr)

import (
	"github.com/minio/minio/internal/bucket/replication"
	"github.com/tinylib/msgp/msgp"
)

// MarshalMsg implements msgp.Marshaler
func (z BackendType) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendInt(o, int(z))
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *BackendType) UnmarshalMsg(bts []byte) (o []byte, err error) {
	{
		var zb0001 int

		err = msgp.WrapError(err, "LastUpdate")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BucketReplicationResyncStatus) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 4
	// string "v"
	o = append(o, 0x84, 0xa1, 0x76)
	o = msgp.AppendInt(o, z.Version)
	// string "brs"
	o = append(o, 0xa3, 0x62, 0x72, 0x73)