memcpy.h 1.7 KB

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  1. /*
  2. (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
  3. (c) Copyright 2000-2004 Convergence (integrated media) GmbH
  4. All rights reserved.
  5. Written by Denis Oliver Kropp <dok@directfb.org>,
  6. Andreas Hundt <andi@fischlustig.de>,
  7. Sven Neumann <neo@directfb.org>,
  8. Ville Syrjälä <syrjala@sci.fi> and
  9. Claudio Ciccani <klan@users.sf.net>.
  10. This library is free software; you can redistribute it and/or
  11. modify it under the terms of the GNU Lesser General Public
  12. License as published by the Free Software Foundation; either
  13. version 2 of the License, or (at your option) any later version.
  14. This library is distributed in the hope that it will be useful,
  15. but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17. Lesser General Public License for more details.
  18. You should have received a copy of the GNU Lesser General Public
  19. License along with this library; if not, write to the
  20. Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21. Boston, MA 02111-1307, USA.
  22. */
  23. #ifndef __DIRECT__MEMCPY_H__
  24. #define __DIRECT__MEMCPY_H__
  25. #include <stdlib.h>
  26. #include <string.h>
  27. void direct_find_best_memcpy( void );
  28. void direct_print_memcpy_routines( void );
  29. extern void *(*direct_memcpy)( void *to, const void *from, size_t len );
  30. static __inline__ void *direct_memmove( void *to, const void *from, size_t len )
  31. {
  32. if ((from < to && ((const char*) from + len) < ((char*) to)) ||
  33. (((char*) to + len) < ((const char*) from)))
  34. return direct_memcpy( to, from, len );
  35. else
  36. return memmove( to, from, len );
  37. }
  38. #endif