/****************************************************************************
* include/sys/stat.h
*
* Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __SYS_STAT_H
#define __SYS_STAT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/types.h>
#include <time.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* mode_t bit settings (most of these do not apply to Nuttx). This assumes
* that the full size of a mode_t is 16-bits. (However, mode_t must be size
* 'int' because it is promoted to size int when passed in varargs).
*/
#define S_IXOTH 0000001 /* Permissions for others: RWX */
#define S_IWOTH 0000002
#define S_IROTH 0000004
#define S_IRWXO 0000007
#define S_IXGRP 0000010 /* Group permissions: RWX */
#define S_IWGRP 0000020
#define S_IRGRP 0000040
#define S_IRWXG 0000070
#define S_IXUSR 0000100 /* Owner permissions: RWX */
#define S_IWUSR 0000200
#define S_IRUSR 0000400
#define S_IRWXU 0000700
#define S_ISVTX 0001000 /* "sticky" bit */
#define S_ISGID 0002000 /* Set group ID bit */
#define S_ISUID 0004000 /* Set UID bit */
#define S_IFIFO 0010000 /* File type bites */
#define S_IFCHR 0020000
#define S_IFDIR 0040000
#define S_IFBLK 0060000
#define S_IFREG 0100000
#define S_IFLNK 0120000
#define S_IFSOCK 0140000
#define S_IFMT 0170000
/* File type macros that operate on an instance of mode_t */
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
/****************************************************************************
* Type Definitions
****************************************************************************/
/* This is the simplified struct stat as returned by fstat().
* This structure provides information about a specific file
* or directory in the file system.
*/
struct stat
{
mode_t st_mode; /* File type, atributes, and access mode bits */
off_t st_size; /* Size of file/directory, in bytes */
blksize_t st_blksize; /* Blocksize used for filesystem I/O */
blkcnt_t st_blocks; /* Number of blocks allocated */
time_t st_atime; /* Time of last access */
time_t st_mtime; /* Time of last modification */
time_t st_ctime; /* Time of last status change */
};
/****************************************************************************
* Global Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
EXTERN int mkdir(FAR const char *pathname, mode_t mode);
EXTERN int mkfifo(FAR const char *pathname, mode_t mode);
EXTERN int stat(const char *path, FAR struct stat *buf);
EXTERN int fstat(int fd, FAR struct stat *buf);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __SYS_STAT_H */
