| 1 | #ifndef __ASM_ARM_STRING_H
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| 2 | #define __ASM_ARM_STRING_H
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| 3 |
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| 4 | |
| 5 | * We don't do inline string functions, since the
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| 6 | * optimised inline asm versions are not small.
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| 7 |
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| 8 |
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| 9 | #define __HAVE_ARCH_STRRCHR
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| 10 | extern char * strrchr(const char * s, int c);
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| 11 |
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| 12 | #define __HAVE_ARCH_STRCHR
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| 13 | extern char * strchr(const char * s, int c);
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| 14 |
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| 15 | #define __HAVE_ARCH_MEMCPY
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| 16 | extern void * memcpy(void *, const void *, __kernel_size_t);
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| 17 |
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| 18 | #define __HAVE_ARCH_MEMMOVE
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| 19 | extern void * memmove(void *, const void *, __kernel_size_t);
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| 20 |
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| 21 | #define __HAVE_ARCH_MEMCHR
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| 22 | extern void * memchr(const void *, int, __kernel_size_t);
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| 23 |
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| 24 | #define __HAVE_ARCH_MEMZERO
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| 25 | #define __HAVE_ARCH_MEMSET
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| 26 | extern void * memset(void *, int, __kernel_size_t);
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| 27 |
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| 28 | extern void __memzero(void *ptr, __kernel_size_t n);
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| 29 |
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| 30 | #define memset(p,v,n) \
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| 31 | ({ \
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| 32 | void *__p = (p); size_t __n = n; \
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| 33 | if ((__n) != 0) { \
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| 34 | if (__builtin_constant_p((v)) && (v) == 0) \
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| 35 | __memzero((__p),(__n)); \
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| 36 | else \
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| 37 | memset((__p),(v),(__n)); \
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| 38 | } \
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| 39 | (__p); \
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| 40 | })
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| 41 |
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| 42 | #define memzero(p,n) \
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| 43 | ({ \
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| 44 | void *__p = (p); size_t __n = n; \
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| 45 | if ((__n) != 0) \
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| 46 | __memzero((__p),(__n)); \
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| 47 | (__p); \
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| 48 | })
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| 49 |
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| 50 | #endif
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