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 10 extern char * strrchr(const char * s, int c); 11 12 #define __HAVE_ARCH_STRCHR 13 extern char * strchr(const char * s, int c); 14 15 #define __HAVE_ARCH_MEMCPY 16 extern void * memcpy(void *, const void *, __kernel_size_t); 17 18 #define __HAVE_ARCH_MEMMOVE 19 extern void * memmove(void *, const void *, __kernel_size_t); 20 21 #define __HAVE_ARCH_MEMCHR 22 extern void * memchr(const void *, int, __kernel_size_t); 23 24 #define __HAVE_ARCH_MEMSET 25 extern void * memset(void *, int, __kernel_size_t); 26 27 extern 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 42