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
  19 extern void *memset(void *dest, int ch, size_t count);
  20 extern void *memcpy(void *dest, const void *src, size_t count);
  21 extern void *memmove(void *dest, const void *src, size_t count);
  22
  23
  24 extern 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 */