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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/3d/fstat3d.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1989-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                  David Korn <[email protected]>                   *

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*                   Eduardo Krell <[email protected]>                   *

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*                                                                      *

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***********************************************************************/

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#pragma noprototyped

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#if defined(__STDPP__directive) && defined(__STDPP__hide)

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__STDPP__directive pragma pp:hide fstat

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#else

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#define fstat		______fstat

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#endif

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#define _def_syscall_3d 1

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#include "3d.h"

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#undef	_def_syscall_3d

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#if defined(__STDPP__directive) && defined(__STDPP__hide)

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__STDPP__directive pragma pp:nohide fstat

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#else

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#undef	fstat

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#endif

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#include "FEATURE/syscall"

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/* the 3 arg _fxstat() disrupts our proto game -- every party needs one */

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#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)

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int fstat3d(int fd, struct stat* st)

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#else

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#if defined(_FSTAT)

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int _fstat(fd, st) int fd; struct stat* st; { return fstat(fd, st); }

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#endif

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int fstat(fd, st) int fd; struct stat* st;

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#endif

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{

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	int		oerrno;

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#if FS

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	Mount_t*	mp;

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	if (!state.kernel)

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	{

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		if (!fscall(NiL, MSG_fstat, 0, fd, st))

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			return state.ret;

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		mp = monitored();

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	}

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#endif

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#ifdef _3D_STAT_VER

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	if (FXSTAT(_3d_ver, fd, st))

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		return -1;

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#else

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	if (FSTAT(fd, st))

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		return -1;

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#endif

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#if _mem_d_type_dirent

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	if (S_ISDIR(st->st_mode))

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		st->st_nlink = _3D_LINK_MAX;

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#endif

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	if (state.kernel)

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		return 0;

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#if FS

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	if (mp)

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		fscall(mp, MSG_fstat, 0, fd, st);

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	for (mp = state.global; mp; mp = mp->global)

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		if (fssys(mp, MSG_fstat))

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			fscall(mp, MSG_fstat, 0, fd, st);

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#endif

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	oerrno = errno;

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#ifdef _3D_STAT64_VER

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	if (_3d_ver == _3D_STAT64_VER)

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		IVIEW(((struct stat64*)st), getfdview(fd));

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	else

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#endif

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	IVIEW(st, getfdview(fd));

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	errno = oerrno;

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	return 0;

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}

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#if defined(_LARGEFILE64_SOURCE) && defined(STAT643D) && !defined(_3D_STAT64_VER)

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int

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fstat643d(int fd, struct stat64* st)

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{

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	int		oerrno;

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	struct stat	ss;

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#if FS

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	Mount_t*	mp;

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	if (!state.kernel)

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	{

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		if (!fscall(NiL, MSG_fstat, 0, fd, &ss))

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			return state.ret;

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		mp = monitored();

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	}

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#endif

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	if (FSTAT64(fd, st))

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		return -1;

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#if _mem_d_type_dirent

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	if (S_ISDIR(st->st_mode))

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		st->st_nlink = _3D_LINK_MAX;

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#endif

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	if (state.kernel)

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		return 0;

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#if FS

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	if (mp)

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		fscall(mp, MSG_fstat, 0, fd, st);

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	for (mp = state.global; mp; mp = mp->global)

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		if (fssys(mp, MSG_fstat))

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			fscall(mp, MSG_fstat, 0, fd, st);

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#endif

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	oerrno = errno;

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	IVIEW(st, getfdview(fd));

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	errno = oerrno;

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	return 0;

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}

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#endif

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