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134 lines
5.0 KiB
134 lines
5.0 KiB
/**************************************************************************** |
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* include/sys/stat.h |
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* |
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* Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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 __INCLUDE_SYS_STAT_H |
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#define __INCLUDE_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). This assumes |
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* that the full size of a mode_t is 16-bits. (However, mode_t must be size |
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* 'int' because it is promoted 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(). This structure |
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* provides information about a specific file 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 /* __INCLUDE_SYS_STAT_H */
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