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/*
* attributes.h
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
* Copyright (C) 2001-2007 xine developers
*
* This file was originally part of mpeg2dec, a free MPEG-2 video stream
* decoder.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*/
/* use gcc attribs to align critical data structures */
#ifndef ATTRIBUTE_H_
#define ATTRIBUTE_H_
#ifdef ATTRIBUTE_ALIGNED_MAX
#define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
#else
#define ATTR_ALIGN(align)
#endif
/* disable GNU __attribute__ extension, when not compiling with GNU C */
#if defined(__GNUC__) || defined (__ICC)
#ifndef ATTRIBUTE_PACKED
#define ATTRIBUTE_PACKED 1
#endif
#else
#undef ATTRIBUTE_PACKED
#ifndef __attribute__
#define __attribute__(x) /**/
#endif /* __attribute __*/
#endif
#ifdef XINE_COMPILE
# include "configure.h"
#endif
/* Export protected only for libxine functions */
#if defined(XINE_LIBRARY_COMPILE) && defined(SUPPORT_ATTRIBUTE_VISIBILITY_PROTECTED)
# define XINE_PROTECTED __attribute__((__visibility__("protected")))
#elif defined(XINE_LIBRARY_COMPILE) && defined(SUPPORT_ATTRIBUTE_VISIBILITY_DEFAULT)
# define XINE_PROTECTED __attribute__((__visibility__("default")))
#else
# define XINE_PROTECTED
#endif
#ifdef SUPPORT_ATTRIBUTE_SENTINEL
# define XINE_SENTINEL __attribute__((__sentinel__))
#else
# define XINE_SENTINEL
#endif
#ifndef __attr_unused
# ifdef SUPPORT_ATTRIBUTE_UNUSED
# define __attr_unused __attribute__((__unused__))
# else
# define __attr_unused
# endif
#endif
/* Format attributes */
#ifdef SUPPORT_ATTRIBUTE_FORMAT
# define XINE_FORMAT_PRINTF(fmt,var) __attribute__((__format__(__printf__, fmt, var)))
#else
# define XINE_FORMAT_PRINTF(fmt,var)
#endif
#ifdef SUPPORT_ATTRIBUTE_FORMAT_ARG
# define XINE_FORMAT_PRINTF_ARG(fmt) __attribute__((__format_arg__(fmt)))
#else
# define XINE_FORMAT_PRINTF_ARG(fmt)
#endif
#endif /* ATTRIBUTE_H_ */
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