arch/sparc/include/asm/string.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef ___ASM_SPARC_STRING_H
   3 #define ___ASM_SPARC_STRING_H
   4 #if defined(__sparc__) && defined(__arch64__)
   5 #include <asm/string_64.h>
   6 #else
   7 #include <asm/string_32.h>
   8 #endif
   9
  10 /* First the mem*() things. */
  11 #define __HAVE_ARCH_MEMMOVE
  12 void *memmove(void *, const void *, __kernel_size_t);
  13
  14 #define __HAVE_ARCH_MEMCPY
  15 #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
  16
  17 #define __HAVE_ARCH_MEMSET
  18 #define memset(s, c, count) __builtin_memset(s, c, count)
  19
  20 #define __HAVE_ARCH_MEMSCAN
  21
  22 #define memscan(__arg0, __char, __arg2)                                         \
  23 ({                                                                              \
  24         void *__memscan_zero(void *, size_t);                                   \
  25         void *__memscan_generic(void *, int, size_t);                           \
  26         void *__retval, *__addr = (__arg0);                                     \
  27         size_t __size = (__arg2);                                               \
  28                                                                                 \
  29         if(__builtin_constant_p(__char) && !(__char))                           \
  30                 __retval = __memscan_zero(__addr, __size);                      \
  31         else                                                                    \
  32                 __retval = __memscan_generic(__addr, (__char), __size);         \
  33                                                                                 \
  34         __retval;                                                               \
  35 })
  36
  37 #define __HAVE_ARCH_MEMCMP
  38 int memcmp(const void *,const void *,__kernel_size_t);
  39
  40 #define __HAVE_ARCH_STRNCMP
  41 int strncmp(const char *, const char *, __kernel_size_t);
  42
  43 #endif