LXR uboot/include/asm-arm/string.h

   1#ifndef __ASM_ARM_STRING_H
   2#define __ASM_ARM_STRING_H
   3
   4/*
   5 * We don't do inline string functions, since the
   6 * optimised inline asm versions are not small.
   7 */
   8
   9#undef __HAVE_ARCH_STRRCHR
  10extern char * strrchr(const char * s, int c);
  11
  12#undef __HAVE_ARCH_STRCHR
  13extern char * strchr(const char * s, int c);
  14
  15#undef __HAVE_ARCH_MEMCPY
  16extern void * memcpy(void *, const void *, __kernel_size_t);
  17
  18#undef __HAVE_ARCH_MEMMOVE
  19extern void * memmove(void *, const void *, __kernel_size_t);
  20
  21#undef __HAVE_ARCH_MEMCHR
  22extern void * memchr(const void *, int, __kernel_size_t);
  23
  24#undef __HAVE_ARCH_MEMZERO
  25#undef __HAVE_ARCH_MEMSET
  26extern void * memset(void *, int, __kernel_size_t);
  27
  28#if 0
  29extern void __memzero(void *ptr, __kernel_size_t n);
  30
  31#define memset(p,v,n)                                                   \
  32        ({                                                              \
  33                if ((n) != 0) {                                         \
  34                        if (__builtin_constant_p((v)) && (v) == 0)      \
  35                                __memzero((p),(n));                     \
  36                        else                                            \
  37                                memset((p),(v),(n));                    \
  38                }                                                       \
  39                (p);                                                    \
  40        })
  41
  42#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); })
  43#else
  44extern void memzero(void *ptr, __kernel_size_t n);
  45#endif
  46
  47#endif
  48