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* io/fcntl.h: Declare openat and openat64.

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* io/Makefile (routines): Add openat and openat64.
	(tests): Add tst-openat.
	* io/Versions: Add openat and openat64 for GLIBC_2.4.
	* sysdeps/generic/openat.c: New file.
	* sysdeps/generic/openat64.c: New file.
	* sysdeps/unix/sysv/linux/openat.c: New file.
	* sysdeps/unix/sysv/linux/openat64.c: New file.
	* io/tst-openat.c: New file.

	* sysdeps/unix/sysv/linux/device-nrs.h: Add info for /dev/full.
This commit is contained in:
Ulrich Drepper
2005-11-10 00:12:21 +00:00
parent 9f1016c0df
commit 4973cbe599
11 changed files with 477 additions and 6 deletions
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29
io/fcntl.h
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@ -1,4 +1,5 @@
/* Copyright (C) 1991,1992,1994-2001,2003,2004 Free Software Foundation, Inc.
/* Copyright (C) 1991,1992,1994-2001,2003,2004,2005
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
@ -82,6 +83,32 @@ extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64)
extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
#endif
#ifdef __USE_GNU
/* Similar to OPEN but a relative path name is interpreted relative to
the directory for which FD is a descriptor.
NOTE: some other OPENAT implementation support additional functionality
through this interface, especially using the O_XATTR flag. This is not
yet supported here.
This function is a cancellation point and therefore not marked with
__THROW. */
# ifndef __USE_FILE_OFFSET64
extern int openat (int __fd, __const char *__file, int __oflag, ...)
__nonnull ((2));
# else
# ifdef __REDIRECT
extern int __REDIRECT (openat, (int __fd, __const char *__file, int __oflag,
...), openat64) __nonnull ((2));
# else
# define openat openat64
# endif
# endif
extern int openat64 (int __fd, __const char *__file, int __oflag, ...)
__nonnull ((2));
#endif
/* Create and open FILE, with mode MODE. This takes an `int' MODE
argument because that is what `mode_t' will be widened to.