1 /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
20 * POSIX Standard: 5.6 File Characteristics <sys/stat.h>
28 #include <gnu/types.h> /* For __mode_t and __dev_t. */
34 #if defined(__USE_BSD) || defined(__USE_MISC)
35 #define S_IFMT __S_IFMT
36 #define S_IFDIR __S_IFDIR
37 #define S_IFCHR __S_IFCHR
38 #define S_IFBLK __S_IFBLK
39 #define S_IFREG __S_IFREG
40 #define S_IFLNK __S_IFLNK
41 #define S_IFSOCK __S_IFSOCK
42 #define S_IFIFO __S_IFIFO
45 /* Test macros for file types. */
47 #define __S_ISTYPE(mode, mask) (((mode) & __S_IFMT) == (mask))
49 #define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR)
50 #define S_ISCHR(mode) __S_ISTYPE((mode), __S_IFCHR)
51 #define S_ISBLK(mode) __S_ISTYPE((mode), __S_IFBLK)
52 #define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG)
53 #define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO)
56 #define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK)
57 #define S_ISSOCK(mode) __S_ISTYPE((mode), __S_IFSOCK)
61 /* Protection bits. */
63 #define S_ISUID __S_ISUID /* Set user ID on execution. */
64 #define S_ISGID __S_ISGID /* Set group ID on execution. */
66 #if defined(__USE_BSD) || defined(__USE_MISC)
67 /* Save swapped text after use (sticky bit). This is pretty well obsolete. */
68 #define S_ISVTX __S_ISVTX
71 #define S_IRUSR __S_IREAD /* Read by owner. */
72 #define S_IWUSR __S_IWRITE /* Write by owner. */
73 #define S_IXUSR __S_IEXEC /* Execute by owner. */
74 /* Read, write, and execute by owner. */
75 #define S_IRWXU (__S_IREAD|__S_IWRITE|__S_IEXEC)
77 #if defined(__USE_MISC) && defined(__USE_BSD)
78 #define S_IREAD S_IRUSR
79 #define S_IWRITE S_IWUSR
80 #define S_IEXEC S_IXUSR
83 #define S_IRGRP (S_IRUSR >> 3) /* Read by group. */
84 #define S_IWGRP (S_IWUSR >> 3) /* Write by group. */
85 #define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */
86 /* Read, write, and execute by group. */
87 #define S_IRWXG (S_IRWXU >> 3)
89 #define S_IROTH (S_IRGRP >> 3) /* Read by others. */
90 #define S_IWOTH (S_IWGRP >> 3) /* Write by others. */
91 #define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */
92 /* Read, write, and execute by others. */
93 #define S_IRWXO (S_IRWXG >> 3)
96 /* Get file attributes for FILE and put them in BUF. */
97 extern int __stat __P ((__const char *__file, struct stat *__buf));
98 extern int stat __P ((__const char *__file, struct stat *__buf));
100 /* Get file attributes for the file, device, pipe, or socket
101 that file descriptor FD is open on and put them in BUF. */
102 extern int __fstat __P ((int __fd, struct stat *__buf));
103 extern int fstat __P ((int __fd, struct stat *__buf));
105 /* Get file attributes about FILE and put them in BUF.
106 If FILE is a symbolic link, do not follow it. */
107 extern int __lstat __P ((__const char *__file, struct stat *__buf));
109 extern int lstat __P ((__const char *__file, struct stat *__buf));
112 /* Set file access permissions for FILE to MODE.
113 This takes an `int' MODE argument because that
114 is what `mode_t's get widened to. */
115 extern int __chmod __P ((__const char *__file, __mode_t __mode));
116 extern int chmod __P ((__const char *__file, __mode_t __mode));
118 /* Set file access permissions of the file FD is open on to MODE. */
119 extern int __fchmod __P ((int __fd, __mode_t __mode));
121 extern int fchmod __P ((int __fd, __mode_t __mode));
125 /* Set the file creation mask of the current process to MASK,
126 and return the old creation mask. */
127 extern __mode_t __umask __P ((__mode_t __mask));
128 extern __mode_t umask __P ((__mode_t __mask));
131 /* Get the current `umask' value without changing it.
132 This function is only available under the GNU Hurd. */
133 extern __mode_t getumask __P ((void));
136 /* Create a new directory named PATH, with permission bits MODE. */
137 extern int __mkdir __P ((__const char *__path, __mode_t __mode));
138 extern int mkdir __P ((__const char *__path, __mode_t __mode));
140 /* Create a device file named PATH, with permission and special bits MODE
141 and device number DEV (which can be constructed from major and minor
142 device numbers with the `makedev' macro above). */
143 extern int __mknod __P ((__const char *__path,
144 __mode_t __mode, __dev_t __dev));
145 #if defined(__USE_MISC) || defined(__USE_BSD)
146 extern int mknod __P ((__const char *__path,
147 __mode_t __mode, __dev_t __dev));
151 /* Create a new FIFO named PATH, with permission bits MODE. */
152 extern int mkfifo __P ((__const char *__path, __mode_t __mode));
156 #endif /* sys/stat.h */