1#ifndef __ASM_ARM_STRING_H
2#define __ASM_ARM_STRING_H
3
4#include <config.h>
5
6
7
8
9
10
11#undef __HAVE_ARCH_STRRCHR
12extern char * strrchr(const char * s, int c);
13
14#undef __HAVE_ARCH_STRCHR
15extern char * strchr(const char * s, int c);
16
17#if CONFIG_IS_ENABLED(USE_ARCH_MEMCPY)
18#define __HAVE_ARCH_MEMCPY
19#endif
20extern void * memcpy(void *, const void *, __kernel_size_t);
21
22#undef __HAVE_ARCH_MEMMOVE
23extern void * memmove(void *, const void *, __kernel_size_t);
24
25#undef __HAVE_ARCH_MEMCHR
26extern void * memchr(const void *, int, __kernel_size_t);
27
28#undef __HAVE_ARCH_MEMZERO
29#if CONFIG_IS_ENABLED(USE_ARCH_MEMSET)
30#define __HAVE_ARCH_MEMSET
31#endif
32extern void * memset(void *, int, __kernel_size_t);
33
34#if 0
35extern void __memzero(void *ptr, __kernel_size_t n);
36
37#define memset(p,v,n) \
38 ({ \
39 if ((n) != 0) { \
40 if (__builtin_constant_p((v)) && (v) == 0) \
41 __memzero((p),(n)); \
42 else \
43 memset((p),(v),(n)); \
44 } \
45 (p); \
46 })
47
48#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); })
49#else
50extern void memzero(void *ptr, __kernel_size_t n);
51#endif
52
53#endif
54