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Diffstat (limited to 'nuttx/include/sys/stat.h')
-rw-r--r-- | nuttx/include/sys/stat.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/nuttx/include/sys/stat.h b/nuttx/include/sys/stat.h new file mode 100644 index 000000000..1204b15aa --- /dev/null +++ b/nuttx/include/sys/stat.h @@ -0,0 +1,134 @@ +/**************************************************************************** + * 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 __INCLUDE_SYS_STAT_H +#define __INCLUDE_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 /* __INCLUDE_SYS_STAT_H */ |