LXR linux/arch/mn10300/include/asm/string.h

   1/* MN10300 Optimised string functions
   2 *
   3 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
   4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5 * Modified by David Howells (dhowells@redhat.com)
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public Licence
   9 * as published by the Free Software Foundation; either version
  10 * 2 of the Licence, or (at your option) any later version.
  11 */
  12#ifndef _ASM_STRING_H
  13#define _ASM_STRING_H
  14
  15#define __HAVE_ARCH_MEMSET
  16#define __HAVE_ARCH_MEMCPY
  17#define __HAVE_ARCH_MEMMOVE
  18
  19extern void *memset(void *dest, int ch, size_t count);
  20extern void *memcpy(void *dest, const void *src, size_t count);
  21extern void *memmove(void *dest, const void *src, size_t count);
  22
  23
  24extern void __struct_cpy_bug(void);
  25#define struct_cpy(x, y)                        \
  26({                                              \
  27        if (sizeof(*(x)) != sizeof(*(y)))       \
  28                __struct_cpy_bug;               \
  29        memcpy(x, y, sizeof(*(x)));             \
  30})
  31
  32#endif /* _ASM_STRING_H */
  33