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/*
*
* 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_ */
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