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#define __HAVE_ARCH_STRRCHR
10extern char * strrchr(const char * s, int c);
11
12#define __HAVE_ARCH_STRCHR
13extern char * strchr(const char * s, int c);
14
15#define __HAVE_ARCH_MEMCPY
16extern void * memcpy(void *, const void *, __kernel_size_t);
17
18#define __HAVE_ARCH_MEMMOVE
19extern void * memmove(void *, const void *, __kernel_size_t);
20
21#define __HAVE_ARCH_MEMCHR
22extern void * memchr(const void *, int, __kernel_size_t);
23
24#define __HAVE_ARCH_MEMSET
25extern void * memset(void *, int, __kernel_size_t);
26
27extern void __memzero(void *ptr, __kernel_size_t n);
28
29#define memset(p,v,n)							\
30	({								\
31	 	void *__p = (p); size_t __n = n;			\
32		if ((__n) != 0) {					\
33			if (__builtin_constant_p((v)) && (v) == 0)	\
34				__memzero((__p),(__n));			\
35			else						\
36				memset((__p),(v),(__n));		\
37		}							\
38		(__p);							\
39	})
40
41#endif

 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