diff options
Diffstat (limited to 'include/sys/stat.h')
| -rw-r--r-- | include/sys/stat.h | 214 |
1 files changed, 122 insertions, 92 deletions
diff --git a/include/sys/stat.h b/include/sys/stat.h index b4e1620df..a2a669277 100644 --- a/include/sys/stat.h +++ b/include/sys/stat.h @@ -1,20 +1,20 @@ -/* Copyright (C) 1991, 92, 95, 96, 97, 98 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 1995-1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ /* * POSIX Standard: 5.6 File Characteristics <sys/stat.h> @@ -33,54 +33,63 @@ /* The Single Unix specification says that some more types are available here. */ -# ifndef dev_t +# ifndef __dev_t_defined typedef __dev_t dev_t; -# define dev_t dev_t +# define __dev_t_defined # endif -# ifndef gid_t +# ifndef __gid_t_defined typedef __gid_t gid_t; -# define gid_t gid_t +# define __gid_t_defined # endif -# ifndef ino_t +# ifndef __ino_t_defined # ifndef __USE_FILE_OFFSET64 typedef __ino_t ino_t; # else typedef __ino64_t ino_t; # endif -# define ino_t ino_t +# define __ino_t_defined # endif -# ifndef mode_t +# ifndef __mode_t_defined typedef __mode_t mode_t; -# define mode_t mode_t +# define __mode_t_defined # endif -# ifndef nlink_t +# ifndef __nlink_t_defined typedef __nlink_t nlink_t; -# define nlink_t nlink_t +# define __nlink_t_defined # endif -# ifndef off_t +# ifndef __off_t_defined # ifndef __USE_FILE_OFFSET64 typedef __off_t off_t; # else typedef __off64_t off_t; # endif -# define off_t off_t +# define __off_t_defined # endif -# ifndef uid_t +# ifndef __uid_t_defined typedef __uid_t uid_t; -# define uid_t uid_t +# define __uid_t_defined # endif #endif /* X/Open */ #ifdef __USE_UNIX98 -# ifndef pid_t -typedef __pid_t pid_t; -# define pid_t pid_t +# ifndef __blkcnt_t_defined +# ifndef __USE_FILE_OFFSET64 +typedef __blkcnt_t blkcnt_t; +# else +typedef __blkcnt64_t blkcnt_t; +# endif +# define __blkcnt_t_defined +# endif + +# ifndef __blksize_t_defined +typedef __blksize_t blksize_t; +# define __blksize_t_defined # endif #endif /* Unix98 */ @@ -97,13 +106,12 @@ __BEGIN_DECLS # ifdef __S_IFIFO # define S_IFIFO __S_IFIFO # endif -# if defined __USE_BSD || defined __USE_MISC -# ifdef __S_IFLNK -# define S_IFLNK __S_IFLNK -# endif -# ifdef __S_IFSOCK -# define S_IFSOCK __S_IFSOCK -# endif +# ifdef __S_IFLNK +# define S_IFLNK __S_IFLNK +# endif +# if (defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN2K) \ + && defined __S_IFSOCK +# define S_IFSOCK __S_IFSOCK # endif #endif @@ -118,11 +126,12 @@ __BEGIN_DECLS #ifdef __S_IFIFO # define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO) #endif +#ifdef __S_IFLNK +# define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK) +#endif #ifdef __USE_BSD -# ifdef __S_IFLNK -# define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK) -# else +# ifndef __S_IFLNK # define S_ISLNK(mode) 0 # endif # ifdef __S_IFSOCK @@ -130,13 +139,23 @@ __BEGIN_DECLS # endif #endif +/* These are from POSIX.1b. If the objects are not implemented using separate + distinct file types, the macros always will evaluate to zero. Unlike the + other S_* macros the following three take a pointer to a `struct stat' + object as the argument. */ +#ifdef __USE_POSIX199309 +# define S_TYPEISMQ(buf) __S_TYPEISMQ(buf) +# define S_TYPEISSEM(buf) __S_TYPEISSEM(buf) +# define S_TYPEISSHM(buf) __S_TYPEISSHM(buf) +#endif + /* Protection bits. */ #define S_ISUID __S_ISUID /* Set user ID on execution. */ #define S_ISGID __S_ISGID /* Set group ID on execution. */ -#if defined __USE_BSD || defined __USE_MISC +#if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN /* Save swapped text after use (sticky bit). This is pretty well obsolete. */ # define S_ISVTX __S_ISVTX #endif @@ -178,79 +197,87 @@ __BEGIN_DECLS #ifndef __USE_FILE_OFFSET64 /* Get file attributes for FILE and put them in BUF. */ -extern int stat __P ((__const char *__file, struct stat *__buf)); +extern int stat (__const char *__restrict __file, + struct stat *__restrict __buf) __THROW; /* Get file attributes for the file, device, pipe, or socket that file descriptor FD is open on and put them in BUF. */ -extern int fstat __P ((int __fd, struct stat *__buf)); +extern int fstat (int __fd, struct stat *__buf) __THROW; #else # ifdef __REDIRECT -extern int __REDIRECT (stat, __P ((__const char *__file, struct stat *__buf)), +extern int __REDIRECT (stat, + (__const char *__restrict __file, + struct stat *__restrict __buf) __THROW, stat64); -extern int __REDIRECT (fstat, __P ((int __fd, struct stat *__buf)), fstat64); +extern int __REDIRECT (fstat, (int __fd, struct stat *__buf) __THROW, fstat64); # else # define stat stat64 # define fstat fstat64 # endif #endif #ifdef __USE_LARGEFILE64 -extern int stat64 __P ((__const char *__file, struct stat64 *__buf)); -extern int fstat64 __P ((int __fd, struct stat64 *__buf)); +extern int stat64 (__const char *__restrict __file, + struct stat64 *__restrict __buf) __THROW; +extern int fstat64 (int __fd, struct stat64 *__buf) __THROW; #endif #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED # ifndef __USE_FILE_OFFSET64 /* Get file attributes about FILE and put them in BUF. If FILE is a symbolic link, do not follow it. */ -extern int lstat __P ((__const char *__file, struct stat *__buf)); +extern int lstat (__const char *__restrict __file, + struct stat *__restrict __buf) __THROW; # else # ifdef __REDIRECT -extern int __REDIRECT (lstat, __P ((__const char *__file, struct stat *__buf)), +extern int __REDIRECT (lstat, + (__const char *__restrict __file, + struct stat *__restrict __buf) __THROW, lstat64); # else # define lstat lstat64 # endif # endif # ifdef __USE_LARGEFILE64 -extern int lstat64 __P ((__const char *__file, struct stat64 *__buf)); +extern int lstat64 (__const char *__restrict __file, + struct stat64 *__restrict __buf) __THROW; # endif #endif /* Set file access permissions for FILE to MODE. This takes an `int' MODE argument because that is what `mode_t's get widened to. */ -extern int chmod __P ((__const char *__file, __mode_t __mode)); +extern int chmod (__const char *__file, __mode_t __mode) __THROW; /* Set file access permissions of the file FD is open on to MODE. */ #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED -extern int fchmod __P ((int __fd, __mode_t __mode)); +extern int fchmod (int __fd, __mode_t __mode) __THROW; #endif /* Set the file creation mask of the current process to MASK, and return the old creation mask. */ -extern __mode_t umask __P ((__mode_t __mask)); +extern __mode_t umask (__mode_t __mask) __THROW; #ifdef __USE_GNU /* Get the current `umask' value without changing it. This function is only available under the GNU Hurd. */ -extern __mode_t getumask __P ((void)); +extern __mode_t getumask (void) __THROW; #endif /* Create a new directory named PATH, with permission bits MODE. */ -extern int mkdir __P ((__const char *__path, __mode_t __mode)); +extern int mkdir (__const char *__path, __mode_t __mode) __THROW; /* Create a device file named PATH, with permission and special bits MODE and device number DEV (which can be constructed from major and minor device numbers with the `makedev' macro above). */ #if defined __USE_MISC || defined __USE_BSD || defined __USE_XOPEN_EXTENDED -extern int mknod __P ((__const char *__path, - __mode_t __mode, __dev_t __dev)); +extern int mknod (__const char *__path, __mode_t __mode, __dev_t __dev) + __THROW; #endif /* Create a new FIFO named PATH, with permission bits MODE. */ -extern int mkfifo __P ((__const char *__path, __mode_t __mode)); +extern int mkfifo (__const char *__path, __mode_t __mode) __THROW; /* To allow the `struct stat' structure and the file type `mode_t' bits to vary without changing shared library major version number, @@ -276,87 +303,90 @@ extern int mkfifo __P ((__const char *__path, __mode_t __mode)); /* Wrappers for stat and mknod system calls. */ #ifndef __USE_FILE_OFFSET64 -extern int _fxstat __P ((int __ver, int __fildes, - struct stat *__stat_buf)); -extern int _xstat __P ((int __ver, __const char *__filename, - struct stat *__stat_buf)); -extern int _lxstat __P ((int __ver, __const char *__filename, - struct stat *__stat_buf)); +extern int __fxstat (int __ver, int __fildes, struct stat *__stat_buf) __THROW; +extern int __xstat (int __ver, __const char *__filename, + struct stat *__stat_buf) __THROW; +extern int __lxstat (int __ver, __const char *__filename, + struct stat *__stat_buf) __THROW; #else # ifdef __REDIRECT -extern int __REDIRECT (_fxstat, __P ((int __ver, int __fildes, - struct stat *__stat_buf)), _fxstat64); -extern int __REDIRECT (_xstat, __P ((int __ver, __const char *__filename, - struct stat *__stat_buf)), _xstat64); -extern int __REDIRECT (_lxstat, __P ((int __ver, __const char *__filename, - struct stat *__stat_buf)), _lxstat64); +extern int __REDIRECT (__fxstat, (int __ver, int __fildes, + struct stat *__stat_buf) __THROW, + __fxstat64); +extern int __REDIRECT (__xstat, (int __ver, __const char *__filename, + struct stat *__stat_buf) __THROW, __xstat64); +extern int __REDIRECT (__lxstat, (int __ver, __const char *__filename, + struct stat *__stat_buf) __THROW, + __lxstat64); # else -# define _fxstat _fxstat64 -# define _xstat _xstat64 -# define _lxstat _lxstat64 +# define __fxstat __fxstat64 +# define __xstat __xstat64 +# define __lxstat __lxstat64 # endif #endif #ifdef __USE_LARGEFILE64 -extern int _fxstat64 __P ((int __ver, int __fildes, - struct stat64 *__stat_buf)); -extern int _xstat64 __P ((int __ver, __const char *__filename, - struct stat64 *__stat_buf)); -extern int _lxstat64 __P ((int __ver, __const char *__filename, - struct stat64 *__stat_buf)); +extern int __fxstat64 (int __ver, int __fildes, struct stat64 *__stat_buf) + __THROW; +extern int __xstat64 (int __ver, __const char *__filename, + struct stat64 *__stat_buf) __THROW; +extern int __lxstat64 (int __ver, __const char *__filename, + struct stat64 *__stat_buf) __THROW; #endif -extern int _xmknod __P ((int __ver, __const char *__path, - __mode_t __mode, __dev_t *__dev)); +extern int __xmknod (int __ver, __const char *__path, __mode_t __mode, + __dev_t *__dev) __THROW; #if defined __GNUC__ && __GNUC__ >= 2 /* Inlined versions of the real stat and mknod functions. */ extern __inline__ int stat (__const char *__path, - struct stat *__statbuf) + struct stat *__statbuf) __THROW { - return _xstat (_STAT_VER, __path, __statbuf); + return __xstat (_STAT_VER, __path, __statbuf); } # if defined __USE_BSD || defined __USE_XOPEN_EXTENDED extern __inline__ int lstat (__const char *__path, - struct stat *__statbuf) + struct stat *__statbuf) __THROW { - return _lxstat (_STAT_VER, __path, __statbuf); + return __lxstat (_STAT_VER, __path, __statbuf); } # endif -extern __inline__ int fstat (int __fd, struct stat *__statbuf) +extern __inline__ int fstat (int __fd, struct stat *__statbuf) __THROW { - return _fxstat (_STAT_VER, __fd, __statbuf); + return __fxstat (_STAT_VER, __fd, __statbuf); } # if defined __USE_MISC || defined __USE_BSD extern __inline__ int mknod (__const char *__path, __mode_t __mode, - __dev_t __dev) + __dev_t __dev) __THROW { - return _xmknod (_MKNOD_VER, __path, __mode, &__dev); + return __xmknod (_MKNOD_VER, __path, __mode, &__dev); } # endif -# ifdef __USE_LARGEFILE64 +# if defined __USE_LARGEFILE64 \ + && (! defined __USE_FILE_OFFSET64 \ + || (defined __REDIRECT && defined __OPTIMIZE__)) extern __inline__ int stat64 (__const char *__path, - struct stat64 *__statbuf) + struct stat64 *__statbuf) __THROW { - return _xstat64 (_STAT_VER, __path, __statbuf); + return __xstat64 (_STAT_VER, __path, __statbuf); } # if defined __USE_BSD || defined __USE_XOPEN_EXTENDED extern __inline__ int lstat64 (__const char *__path, - struct stat64 *__statbuf) + struct stat64 *__statbuf) __THROW { - return _lxstat64 (_STAT_VER, __path, __statbuf); + return __lxstat64 (_STAT_VER, __path, __statbuf); } # endif -extern __inline__ int fstat64 (int __fd, struct stat64 *__statbuf) +extern __inline__ int fstat64 (int __fd, struct stat64 *__statbuf) __THROW { - return _fxstat64 (_STAT_VER, __fd, __statbuf); + return __fxstat64 (_STAT_VER, __fd, __statbuf); } # endif |