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fstat3d.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*           Copyright (c) 1989-2007 AT&T Knowledge Ventures            *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                      by AT&T Knowledge Ventures                      *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Eduardo Krell <ekrell@adexus.cl>                   *
*                                                                      *
***********************************************************************/
#pragma noprototyped

#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:hide fstat
#else
#define fstat           ______fstat
#endif

#define _def_syscall_3d 1

#include "3d.h"

#undef      _def_syscall_3d

#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:nohide fstat
#else
#undef      fstat
#endif

#include "FEATURE/syscall"

/* the 3 arg _fxstat() disrupts our proto game -- every party needs one */
#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
int fstat3d(int fd, struct stat* st)
#else
#if defined(_FSTAT)
int _fstat(fd, st) int fd; struct stat* st; { return fstat(fd, st); }
#endif
int fstat(fd, st) int fd; struct stat* st;
#endif
{
      int         oerrno;
#if FS
      Mount_t*    mp;

      if (!state.kernel)
      {
            if (!fscall(NiL, MSG_fstat, 0, fd, st))
                  return state.ret;
            mp = monitored();
      }
#endif
#ifdef _3D_STAT_VER
      if (FXSTAT(_3d_ver, fd, st))
            return -1;
#else
      if (FSTAT(fd, st))
            return -1;
#endif
#if _mem_d_type_dirent
      if (S_ISDIR(st->st_mode))
            st->st_nlink = _3D_LINK_MAX;
#endif
      if (state.kernel)
            return 0;
#if FS
      if (mp)
            fscall(mp, MSG_fstat, 0, fd, st);
      for (mp = state.global; mp; mp = mp->global)
            if (fssys(mp, MSG_fstat))
                  fscall(mp, MSG_fstat, 0, fd, st);
#endif
      oerrno = errno;
#ifdef _3D_STAT64_VER
      if (_3d_ver == _3D_STAT64_VER)
            IVIEW(((struct stat64*)st), getfdview(fd));
      else
#endif
      IVIEW(st, getfdview(fd));
      errno = oerrno;
      return 0;
}

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

int
fstat643d(int fd, struct stat64* st)
{
      int         oerrno;
      struct stat ss;
#if FS
      Mount_t*    mp;

      if (!state.kernel)
      {
            if (!fscall(NiL, MSG_fstat, 0, fd, &ss))
                  return state.ret;
            mp = monitored();
      }
#endif
      if (FSTAT64(fd, st))
            return -1;
#if _mem_d_type_dirent
      if (S_ISDIR(st->st_mode))
            st->st_nlink = _3D_LINK_MAX;
#endif
      if (state.kernel)
            return 0;
#if FS
      if (mp)
            fscall(mp, MSG_fstat, 0, fd, st);
      for (mp = state.global; mp; mp = mp->global)
            if (fssys(mp, MSG_fstat))
                  fscall(mp, MSG_fstat, 0, fd, st);
#endif
      oerrno = errno;
      IVIEW(st, getfdview(fd));
      errno = oerrno;
      return 0;
}

#endif

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