1 files changed, 31 insertions, 0 deletions
diff --git a/src/framework/include/common/dmm_fs.h b/src/framework/include/common/dmm_fs.h
new file mode 100644
index 0000000..3a63550
--- /dev/null
+++ b/src/framework/include/common/dmm_fs.h
@@ -0,0 +1,31 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
+* 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.
+*/
+
+#ifndef _DMM_FS_H_
+#define _DMM_FS_H_
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static inline size_t dmm_file_size(int fd)
+{
+    struct stat st;
+    if (fstat(fd, &st) < 0)
+        return 0;
+    return (size_t) st.st_size;
+}
+
+#endif /* _DMM_FS_H_ */