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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_ARM_STRING_H
   3#define __ASM_ARM_STRING_H
   4
   5/*
   6 * We don't do inline string functions, since the
   7 * optimised inline asm versions are not small.
   8 */
   9
  10#define __HAVE_ARCH_STRRCHR
  11extern char * strrchr(const char * s, int c);
  12
  13#define __HAVE_ARCH_STRCHR
  14extern char * strchr(const char * s, int c);
  15
  16#define __HAVE_ARCH_MEMCPY
  17extern void * memcpy(void *, const void *, __kernel_size_t);
  18
  19#define __HAVE_ARCH_MEMMOVE
  20extern void * memmove(void *, const void *, __kernel_size_t);
  21
  22#define __HAVE_ARCH_MEMCHR
  23extern void * memchr(const void *, int, __kernel_size_t);
  24
  25#define __HAVE_ARCH_MEMSET
  26extern void * memset(void *, int, __kernel_size_t);
  27
  28#define __HAVE_ARCH_MEMSET32
  29extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
  30static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
  31{
  32        return __memset32(p, v, n * 4);
  33}
  34
  35#define __HAVE_ARCH_MEMSET64
  36extern void *__memset64(uint64_t *, uint32_t low, __kernel_size_t, uint32_t hi);
  37static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
  38{
  39        return __memset64(p, v, n * 8, v >> 32);
  40}
  41
  42#endif
  43