incubator-nuttx/include/utime.h

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/****************************************************************************
* include/utime.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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 __INCLUDE_UTIME_H
#define __INCLUDE_UTIME_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <time.h>
/****************************************************************************
* Public Type Definitions
****************************************************************************/
struct utimbuf
{
time_t actime; /* Access time */
time_t modtime; /* Modification time */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: utime
*
* Description:
* The utime() system call changes the access and modification times of
* the inode specified by path to the actime and modtime fields of times
* respectively.
* If times is NULL, then the access and modification times of the file
* are set to the current time.
*
* Input Parameters:
* path - Specifies the file to be modified
* times - Specifies the time value to set
*
* Returned Value:
* Upon successful completion, 0 shall be returned. Otherwise, -1 shall
* be returned and errno shall be set to indicate the error, and the file
* times shall not be affected.
*
****************************************************************************/
int utime(FAR const char *path, FAR const struct utimbuf *times);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_UTIME_H */