func (as *asciiSet) contains(c byte) bool {
	return (as[c/32] & (1 << (c % 32))) != 0
}

// containsRune is a simplified version of strings.ContainsRune
// to avoid importing the strings package.
// We avoid bytes.ContainsRune to avoid allocating a temporary copy of s.
func containsRune(s string, r rune) bool {
	for _, c := range s {
		if c == r {
			return true
		}
	}
	return false
}

func TestContainsRune(t *testing.T) {
	for _, ct := range ContainsRuneTests {
		if ContainsRune(ct.b, ct.r) != ct.expected {
			t.Errorf("ContainsRune(%q, %q) = %v, want %v",
				ct.b, ct.r, !ct.expected, ct.expected)
		}
	}
}

func TestContainsFunc(t *testing.T) {
	for _, ct := range ContainsRuneTests {
		if ContainsFunc(ct.b, func(r rune) bool {
			return ct.r == r
		}) != ct.expected {

	}
	// This is valid for AWS S3 but it will never
	// work with file systems, we will reject here
	// to return object name invalid rather than
	// a cryptic error from the file system.
	return !strings.ContainsRune(object, 0)
}

// checkObjectNameForLengthAndSlash -check for the validity of object name length and prefis as slash
func checkObjectNameForLengthAndSlash(bucket, object string) error {

			if m.objSize == 0 {
				m.objSize = ei.V2Obj.Size
			}
			m.data = ei.V2Obj.EcM
			m.parity = ei.V2Obj.EcN
			if len(ei.V2Obj.PartNums) == 1 && !strings.ContainsRune(ei.V2Obj.MetaUsr.Etag, '-') {
				m.wantMD5 = ei.V2Obj.MetaUsr.Etag
			}
			if m.shards == 0 {
				m.shards = m.data + m.parity
			}
			idx = ei.V2Obj.EcIndex - 1

			return
		}
		// Check for bad components in URL query values.
		for k, vv := range r.Form {
			if k == "delimiter" { // delimiters are allowed to have `.` or `..`
				continue
			}
			if slices.ContainsFunc(vv, hasBadPathComponent) {
				if ok {
					tc.FuncName = "handler.ValidRequest"
					tc.ResponseRecorder.LogErrBody = true
				}

				defer logger.AuditLog(r.Context(), w, r, mustGetClaimsFromToken(r))