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