research.m1stereo.tv/gitweb/ - melted/blob - src/modules/xine/attributes.h

   1 /*
   2  * attributes.h
   3  * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
   4  *
   5  * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
   6  *
   7  * mpeg2dec is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * mpeg2dec is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* use gcc attribs to align critical data structures */
  23
  24 #ifndef ATTRIBUTE_H_
  25 #define ATTRIBUTE_H_
  26
  27 #ifdef ATTRIBUTE_ALIGNED_MAX
  28 #define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
  29 #else
  30 #define ATTR_ALIGN(align)
  31 #endif
  32
  33 /* disable GNU __attribute__ extension, when not compiling with GNU C */
  34 #if defined(__GNUC__) || defined (__ICC)
  35 #ifndef ATTRIBUTE_PACKED
  36 #define ATTRIBUTE_PACKED 1
  37 #endif
  38 #else
  39 #undef  ATTRIBUTE_PACKED
  40 #ifndef __attribute__
  41 #define __attribute__(x)        /**/
  42 #endif /* __attribute __*/
  43 #endif
  44
  45 #endif /* ATTRIBUTE_H_ */
  46