glibc/sysdeps/unix/sysv/linux/sys/sysmacros.h
Ulrich Drepper b037a293a4 * configure.in (libc_cv_gnu89_inline): Test for -fgnu89-inline.
* config.make.in (gnu89-inline-CFLAGS): New variable.
	* Makeconfig (CFLAGS): Use $(gnu89-inline-CFLAGS) together with
	-std=gnu99.
	* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Define.
	* argp/argp.h: Use it.
	* bits/mathinline.h: Likewise.
	* bits/sigset.h: Likewise.
	* bits/string.h: Likewise.
	* ctype/ctype.h: Likewise.
	* hurd/hurd.h: Likewise.
	* hurd/hurd/fd.h: Likewise.
	* hurd/hurd/port.h: Likewise.
	* hurd/hurd/signal.h: Likewise.
	* hurd/hurd/threadvar.h: Likewise.
	* hurd/hurd/userlink.h: Likewise.
	* io/sys/stat.h: Likewise.
	* libio/bits/stdio.h: Likewise.
	* libio/bits/stdio2.h: Likewise.
	* mach/lock-intern.h: Likewise.
	* mach/mach/mig_support.h: Likewise.
	* math/bits/cmathcalls.h: Likewise.
	* posix/bits/unistd.h: Likewise.
	* socket/bits/socket2.h: Likewise.
	* stdlib/bits/stdlib.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* string/argz.h: Likewise.
	* string/bits/string2.h: Likewise.
	* string/bits/string3.h: Likewise.
	* sysdeps/alpha/fpu/bits/mathinline.h: Likewise.
	* sysdeps/generic/inttypes.h: Likewise.
	* sysdeps/generic/machine-lock.h: Likewise.
	* sysdeps/generic/machine-sp.h: Likewise.
	* sysdeps/i386/fpu/bits/mathinline.h: Likewise.
	* sysdeps/i386/i486/bits/string.h: Likewise.
	* sysdeps/ia64/fpu/bits/mathinline.h: Likewise.
	* sysdeps/mach/alpha/machine-lock.h: Likewise.
	* sysdeps/mach/alpha/machine-sp.h: Likewise.
	* sysdeps/mach/i386/machine-lock.h: Likewise.
	* sysdeps/mach/powerpc/machine-lock.h: Likewise.
	* sysdeps/mach/powerpc/machine-sp.h: Likewise.
	* sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
	* sysdeps/s390/bits/string.h: Likewise.
	* sysdeps/s390/fpu/bits/mathinline.h: Likewise.
	* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sigset.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Likewise.
	* sysdeps/x86_64/fpu/bits/mathinline.h: Likewise.
	* wcsmbs/bits/wchar2.h: Likewise.
	* wcsmbs/wchar.h: Likewise.
	* stdlib/gmp.h: Likewise.  Include <features.h> to get
	__extern_inline definition.

	* locale/programs/ld-ctype.c (find_translit): Return NULL if ctype is
	NULL.
2007-03-17 17:04:28 +00:00

71 lines
2.4 KiB
C

/* Definitions of macros to access `dev_t' values.
Copyright (C) 1996, 1997, 1999, 2003, 2004, 2007
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 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
Lesser General Public License for more details.
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. */
#ifndef _SYS_SYSMACROS_H
#define _SYS_SYSMACROS_H 1
#include <features.h>
/* If the compiler does not know long long it is out of luck. We are
not going to hack weird hacks to support the dev_t representation
they need. */
#ifdef __GLIBC_HAVE_LONG_LONG
__extension__
__extern_inline unsigned int gnu_dev_major (unsigned long long int __dev)
__THROW;
__extension__
__extern_inline unsigned int gnu_dev_minor (unsigned long long int __dev)
__THROW;
__extension__
__extern_inline unsigned long long int gnu_dev_makedev (unsigned int __major,
unsigned int __minor)
__THROW;
# if defined __GNUC__ && __GNUC__ >= 2
__extension__ __extern_inline unsigned int
__NTH (gnu_dev_major (unsigned long long int __dev))
{
return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff);
}
__extension__ __extern_inline unsigned int
__NTH (gnu_dev_minor (unsigned long long int __dev))
{
return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff);
}
__extension__ __extern_inline unsigned long long int
__NTH (gnu_dev_makedev (unsigned int __major, unsigned int __minor))
{
return ((__minor & 0xff) | ((__major & 0xfff) << 8)
| (((unsigned long long int) (__minor & ~0xff)) << 12)
| (((unsigned long long int) (__major & ~0xfff)) << 32));
}
# endif
/* Access the functions with their traditional names. */
# define major(dev) gnu_dev_major (dev)
# define minor(dev) gnu_dev_minor (dev)
# define makedev(maj, min) gnu_dev_makedev (maj, min)
#endif
#endif /* sys/sysmacros.h */