allow large buffer to list more entries per directory (#9785)

cmd/os-dirent_namelen_bsd.go

@@ -0,0 +1,25 @@
+// +build darwin freebsd openbsd netbsd
+
+/*
+ * MinIO Cloud Storage, (C) 2019 MinIO, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import "syscall"
+
+func direntNamlen(dirent *syscall.Dirent) (uint64, error) {
+	return uint64(dirent.Namlen), nil
+}