include/poppack.h

   1 /*
   2  * Copyright (C) 1999 Patrik Stridvall
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #if defined(__WINE_PSHPACK_H3)
  20 #  ifndef __WINE_INTERNAL_POPPACK
  21 #    undef __WINE_PSHPACK_H3
  22 #  endif
  23 /* Depth == 3 */
  24
  25 #  if __WINE_PSHPACK_H2 == 1
  26 #    pragma pack(1)
  27 #  elif __WINE_PSHPACK_H2 == 2
  28 #    pragma pack(2)
  29 #  elif __WINE_PSHPACK_H2 == 8
  30 #    pragma pack(8)
  31 #  else
  32 #    pragma pack(4)
  33 #  endif
  34
  35 #elif defined(__WINE_PSHPACK_H2)
  36 #  ifndef __WINE_INTERNAL_POPPACK
  37 #    undef __WINE_PSHPACK_H2
  38 #  endif
  39 /* Depth == 2 */
  40
  41 #  if __WINE_PSHPACK_H == 1
  42 #    pragma pack(1)
  43 #  elif __WINE_PSHPACK_H == 2
  44 #    pragma pack(2)
  45 #  elif __WINE_PSHPACK_H == 8
  46 #    pragma pack(8)
  47 #  else
  48 #    pragma pack(4)
  49 #  endif
  50
  51 #elif defined(__WINE_PSHPACK_H)
  52 #  ifndef __WINE_INTERNAL_POPPACK
  53 #    undef __WINE_PSHPACK_H
  54 #  endif
  55 /* Depth == 1 */
  56
  57 #  if defined(__SUNPRO_CC)
  58 #    warning "Assuming a default alignment of 4"
  59 #    pragma pack(4)
  60 #  else
  61 #    pragma pack()
  62 #  endif
  63
  64 #else
  65 /* Depth == 0 ! */
  66
  67 #error "Popping alignment isn't possible since no alignment has been pushed"
  68
  69 #endif
  70
  71 #undef __WINE_INTERNAL_POPPACK