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