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#if CONFIG_IS_ENABLED(USE_ARCH_MEMCPY)
16#define __HAVE_ARCH_MEMCPY
17#endif
18extern void * memcpy(void *, const void *, __kernel_size_t);
19
20#if CONFIG_IS_ENABLED(USE_ARCH_MEMMOVE)
21#define __HAVE_ARCH_MEMMOVE
22#else
23#undef __HAVE_ARCH_MEMMOVE
24#endif
25extern void * memmove(void *, const void *, __kernel_size_t);
26
27#undef __HAVE_ARCH_MEMCHR
28extern void * memchr(const void *, int, __kernel_size_t);
29
30#undef __HAVE_ARCH_MEMZERO
31#if CONFIG_IS_ENABLED(USE_ARCH_MEMSET)
32#define __HAVE_ARCH_MEMSET
33#endif
34extern void * memset(void *, int, __kernel_size_t);
35
36#if 0
37extern void __memzero(void *ptr, __kernel_size_t n);
38
39#define memset(p,v,n)							\
40	({								\
41		if ((n) != 0) {						\
42			if (__builtin_constant_p((v)) && (v) == 0)	\
43				__memzero((p),(n));			\
44			else						\
45				memset((p),(v),(n));			\
46		}							\
47		(p);							\
48	})
49
50#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); })
51#else
52extern void memzero(void *ptr, __kernel_size_t n);
53#endif
54
55#endif
56