// read to be handled correctly. On the other hand, a change to the file size
// (st_size, as made by say ftruncate(2)), would require a metadata flush.
//
// The aim of fdatasync() is to reduce disk activity for applications that
// do not require all metadata to be synchronized with the disk.
func Fdatasync(f *os.File) error {
	return syscall.Fdatasync(int(f.Fd()))
}

// FadviseDontNeed invalidates page-cache

// out of HTTP "chunked" format before returning it.
// The s3ChunkedReader returns io.EOF when the final 0-length chunk is read.
//
// NewChunkedReader is not needed by normal applications. The http package
// automatically decodes chunking when reading response bodies.
func newSignV4ChunkedReader(req *http.Request, trailer bool) (io.ReadCloser, APIErrorCode) {

//
// See:
// http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html
//
// You should avoid the following characters in a key name because of
// significant special handling for consistency across all
// applications.
//
// Rejects strings with following characters.
//
// - Backslash ("\")
//
// additionally minio does not support object names with trailing SlashSeparator.
func IsValidObjectName(object string) bool {

	if len(verSplit) > 2 {
		// Developer images are specific to major.minor ios version.
		// Cut off the patch version.
		iosVer = strings.Join(verSplit[:2], ".")
	}
	sdkBase := "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport"
	patterns := []string{fmt.Sprintf("%s (%s)", iosVer, buildVer), fmt.Sprintf("%s (*)", iosVer), fmt.Sprintf("%s*", iosVer)}
	for _, pattern := range patterns {

			return loi, err
		}
		if contextCanceled(ctx) {
			return ListObjectsInfo{}, ctx.Err()
		}
	}

	if len(prefix) > 0 && maxKeys == 1 && marker == "" {
		// Optimization for certain applications like
		// - Cohesity
		// - Actifio, Splunk etc.
		// which send ListObjects requests where the actual object
		// itself is the prefix and max-keys=1 in such scenarios

	return &Arena{a: runtime_arena_newArena()}
}

// Free frees the arena (and all objects allocated from the arena) so that
// memory backing the arena can be reused fairly quickly without garbage
// collection overhead. Applications must not call any method on this
// arena after it has been freed.
func (a *Arena) Free() {
	runtime_arena_arena_Free(a.a)
	a.a = nil
}

// New creates a new *T in the provided arena. The *T must not be used after

	EnvCompressMimeTypes       = "MINIO_COMPRESSION_MIME_TYPES"

	// Include-list for compression.
	DefaultExtensions = ".txt,.log,.csv,.json,.tar,.xml,.bin"
	DefaultMimeTypes  = "text/*,application/json,application/xml,binary/octet-stream"
)

// DefaultKVS - default KV config for compression settings
var (
	DefaultKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},

				xhttp.AmzBucketReplicationStatus: "PENDING",
				xhttp.ContentType:                "application/json",
			},
		},
		{
			name: "someempty",
			arg: map[string]string{
				xhttp.AmzRestore:                 "",
				xhttp.ContentMD5:                 mustGetUUID(),
				xhttp.AmzBucketReplicationStatus: "",
				xhttp.ContentType:                "application/json",
			},
		},
	}
	for _, tt := range tests {

			}
		}
	}

	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		contentType := r.Header.Get("Content-Type")
		if contentType == "application/json" {
			w.Header().Set("Content-Type", "application/json")
			jsonEncoder := json.NewEncoder(w)
			jsonEncoder.Encode(metrics)
			return
		}

		// If not JSON, return plain text. We format it as a markdown table for

//
// In this function, it uses functions from `rand` package. To make it really random,
// you MUST call `rand.Seed` and change the value from the default in your application
func DialContextWithLookupHost(lookupHost LookupHost, baseDialCtx DialContext) DialContext {
	if lookupHost == nil {
		lookupHost = net.DefaultResolver.LookupHost
	}

	if baseDialCtx == nil {