r.opts.HeaderSize = 0
			need = int(math.Min(float64(b-hdr), float64(need))) // use remaining tokens towards payload
			tokens = need + hdr

		} else { // part of header can be accommodated
			r.opts.HeaderSize -= b - 1
			need = 1 // to ensure we read at least one byte for every Read
			tokens = b
		}
	} else { // all tokens go towards payload
		need = int(math.Min(float64(b), float64(need)))
		tokens = need
	}

	trnDate, err := time.Parse(time.RFC3339, dateStr)
	if err != nil {
		return errTransitionInvalidDate
	}
	// Allow only date timestamp specifying midnight GMT
	hr, min, sec := trnDate.Clock()
	nsec := trnDate.Nanosecond()
	loc := trnDate.Location()
	if !(hr == 0 && min == 0 && sec == 0 && nsec == 0 && loc.String() == time.UTC.String()) {
		return errTransitionDateNotMidnight
	}

	*tDate = TransitionDate{trnDate}
	return nil
}

package dsync

import (
	"math/rand"
	"time"
)

func backoffWait(min, unit, cap time.Duration) func(*rand.Rand, uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}
	return func(r *rand.Rand, attempt uint) time.Duration {
		sleep := min
		sleep += unit * time.Duration(attempt)
		if sleep > cap {
			sleep = cap
		}

	"net/http"
	"net/url"
	"os"
	"strings"
	"sync"

	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v2/env"
	xnet "github.com/minio/pkg/v2/net"
)

const (
	baseURL    = "https://subnet.min.io"
	baseURLDev = "http://localhost:9000"
)

// DefaultKVS - default KV config for subnet settings
var DefaultKVS = config.KVS{
	config.KV{
		Key:   config.License, // Deprecated Dec 2021
		Value: "",
	},

	// Unary
	{"-0", 0, true},
	{"~0", -1, true},
	{"~0*0", 0, true},
	{"+3", 3, true},
	{"-3", -3, true},
	{"-9223372036854775808", -9223372036854775808, true}, // min int64
	// Binary
	{"3+4", 3 + 4, true},
	{"3-4", 3 - 4, true},
	{"2|5", 2 | 5, true},
	{"3^4", 3 ^ 4, true},
	{"3*4", 3 * 4, true},
	{"14/4", 14 / 4, true},
	{"3<<4", 3 << 4, true},
	{"48>>3", 48 >> 3, true},

func xlMetaV2TrimData(buf []byte) []byte {
	metaBuf, min, maj, err := checkXL2V1(buf)
	if err != nil {
		return buf
	}
	if maj == 1 && min < 1 {
		// First version to carry data.
		return buf
	}
	// Skip header
	_, metaBuf, err = msgp.ReadBytesZC(metaBuf)
	if err != nil {
		storageLogIf(GlobalContext, err)
		return buf
	}
	// Skip CRC
	if maj > 1 || min >= 2 {

		Secure:    secure,
		Transport: transport,
	})
	if err != nil {
		return nil, err
	}

	return clnt, nil
}

func main() {
	flag.StringVar(&sourceEndpoint, "source-endpoint", "https://play.min.io", "S3 endpoint URL")
	flag.StringVar(&sourceAccessKey, "source-access-key", "Q3AM3UQ867SPQQA43P2F", "S3 Access Key")
	flag.StringVar(&sourceSecretKey, "source-secret-key", "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG", "S3 Secret Key")

// getMD5Sum returns MD5 sum of given data.
func getMD5Sum(data []byte) []byte {
	hash := md5.New()
	hash.Write(data)
	return hash.Sum(nil)
}

func main() {
	flag.StringVar(&endpoint, "endpoint", "https://play.min.io", "S3 endpoint URL")
	flag.StringVar(&accessKey, "access-key", "Q3AM3UQ867SPQQA43P2F", "S3 Access Key")
	flag.StringVar(&secretKey, "secret-key", "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG", "S3 Secret Key")

		"For more information, please refer to https://min.io/docs/minio/linux/operations/concepts/erasure-coding.html",
	)

	ErrInvalidNumberOfErasureEndpoints = newErrFn(
		"Invalid total number of endpoints for erasure mode",
		"Please provide number of endpoints greater or equal to 2",
		"For more information, please refer to https://min.io/docs/minio/linux/operations/concepts/erasure-coding.html",
	)

	expDate, err := time.Parse(time.RFC3339, dateStr)
	if err != nil {
		return errLifecycleInvalidDate
	}
	// Allow only date timestamp specifying midnight GMT
	hr, min, sec := expDate.Clock()
	nsec := expDate.Nanosecond()
	loc := expDate.Location()
	if !(hr == 0 && min == 0 && sec == 0 && nsec == 0 && loc.String() == time.UTC.String()) {
		return errLifecycleDateNotMidnight
	}

	*eDate = ExpirationDate{expDate}
	return nil
}