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 10 extern char * strrchr(const char * s, int c); 11 12 #undef __HAVE_ARCH_STRCHR 13 extern char * strchr(const char * s, int c); 14 15 #undef __HAVE_ARCH_MEMCPY 16 extern void * memcpy(void *, const void *, __kernel_size_t); 17 18 #undef __HAVE_ARCH_MEMMOVE 19 extern void * memmove(void *, const void *, __kernel_size_t); 20 21 #undef __HAVE_ARCH_MEMCHR 22 extern void * memchr(const void *, int, __kernel_size_t); 23 24 #undef __HAVE_ARCH_MEMZERO 25 #undef __HAVE_ARCH_MEMSET 26 extern void * memset(void *, int, __kernel_size_t); 27 28 #if 0 29 extern void __memzero(void *ptr, __kernel_size_t n); 30 31 #define memset(p,v,n) \ 32 ({ \ 33 if ((n) != 0) { \ 34 if (__builtin_constant_p((v)) && (v) == 0) \ 35 __memzero((p),(n)); \ 36 else \ 37 memset((p),(v),(n)); \ 38 } \ 39 (p); \ 40 }) 41 42 #define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); }) 43 #else 44 extern void memzero(void *ptr, __kernel_size_t n); 45 #endif 46 47 #endif 48