package jwt

// This file is a re-implementation of the original code here with some
// additional allocation tweaks reproduced using GODEBUG=allocfreetrace=1
// original file https://github.com/golang-jwt/jwt/blob/main/parser.go
// borrowed under MIT License https://github.com/golang-jwt/jwt/blob/main/LICENSE

import (
	"bytes"
	"crypto"
	"crypto/hmac"
	"encoding/base64"
	"errors"
	"fmt"
	"hash"
	"sync"
	"time"

			}
		case "FilterPrefix":
			z.FilterPrefix, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "FilterPrefix")
				return
			}
		case "Marker":
			z.Marker, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Marker")
				return
			}
		case "Limit":
			z.Limit, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Limit")
				return
			}

}

// FuncExpr represents a function call
type FuncExpr struct {
	SFunc     *SimpleArgFunc `parser:"  @@"`
	Count     *CountFunc     `parser:"| @@"`
	Cast      *CastFunc      `parser:"| @@"`
	Substring *SubstringFunc `parser:"| @@"`
	Extract   *ExtractFunc   `parser:"| @@"`
	Trim      *TrimFunc      `parser:"| @@"`
	DateAdd   *DateAddFunc   `parser:"| @@"`
	DateDiff  *DateDiffFunc  `parser:"| @@"`

			var deleteMarkers uint64

			for i, nerr := range errs {
				if nerr != nil {
					continue
				}
				for _, fi := range versions[i].Versions {
					if fi.Deleted {
						// Delete markers are a write operation not a permanent delete.
						deleteMarkers++
						continue
					}
					permanentDeletes++
				}
			}
			if deleteMarkers > 0 {

	return "Bucket exists: " + e.Bucket
}

// InvalidUploadIDKeyCombination - invalid upload id and key marker combination.
type InvalidUploadIDKeyCombination struct {
	UploadIDMarker, KeyMarker string
}

func (e InvalidUploadIDKeyCombination) Error() string {
	return fmt.Sprintf("Invalid combination of uploadID marker '%s' and marker '%s'", e.UploadIDMarker, e.KeyMarker)
}

// BucketPolicyNotFound - no bucket policy found.

Harshavardhana <******@****.***> 1708583166 -0800

	if err != nil {
		rebalanceLogIf(ctx, fmt.Errorf("invalid workers value err: %v, defaulting to %d", err, len(pool.sets)))
		workerSize = len(pool.sets)
	}

	// Each decom worker needs one List() goroutine/worker
	// add that many extra workers.
	workerSize += len(pool.sets)

	wk, err := workers.New(workerSize)
	if err != nil {
		return err
	}

	for setIdx, set := range pool.sets {

		if isErrPreconditionFailed(err) {
			return
		}
		if globalBucketVersioningSys.PrefixEnabled(srcBucket, srcObject) && gr != nil {
			// Versioning enabled quite possibly object is deleted might be delete-marker
			// if present set the headers, no idea why AWS S3 sets these headers.
			if gr.ObjInfo.VersionID != "" && gr.ObjInfo.DeleteMarker {
				w.Header()[xhttp.AmzVersionID] = []string{gr.ObjInfo.VersionID}

	n := len(b) * count

	if len(b) == 0 {
		return []byte{}
	}

	// Past a certain chunk size it is counterproductive to use
	// larger chunks as the source of the write, as when the source
	// is too large we are basically just thrashing the CPU D-cache.
	// So if the result length is larger than an empirically-found
	// limit (8KB), we stop growing the source string once the limit

}

func TestZip64EdgeCase(t *testing.T) {
	if testing.Short() {
		t.Skip("slow test; skipping")
	}
	t.Parallel()
	// Test a zip file with uncompressed size 0xFFFFFFFF.
	// That's the magic marker for a 64-bit file, so even though
	// it fits in a 32-bit field we must use the 64-bit field.
	// Go 1.5 and earlier got this wrong,
	// writing an invalid zip file.