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kernel/linux-rt-4.4.41/arch/x86/boot/string.h 600 Bytes
5113f6f70   김현기   kernel add
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  #ifndef BOOT_STRING_H
  #define BOOT_STRING_H
  
  /* Undef any of these macros coming from string_32.h. */
  #undef memcpy
  #undef memset
  #undef memcmp
  
  void *memcpy(void *dst, const void *src, size_t len);
  void *memset(void *dst, int c, size_t len);
  int memcmp(const void *s1, const void *s2, size_t len);
  
  /*
   * Access builtin version by default. If one needs to use optimized version,
   * do "undef memcpy" in .c file and link against right string.c
   */
  #define memcpy(d,s,l) __builtin_memcpy(d,s,l)
  #define memset(d,c,l) __builtin_memset(d,c,l)
  #define memcmp	__builtin_memcmp
  
  #endif /* BOOT_STRING_H */