diff options
Diffstat (limited to 'include/asm-arm/string.h')
| -rw-r--r-- | include/asm-arm/string.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-arm/string.h b/include/asm-arm/string.h new file mode 100644 index 00000000000..2a8ab162412 --- /dev/null +++ b/include/asm-arm/string.h @@ -0,0 +1,43 @@ +#ifndef __ASM_ARM_STRING_H +#define __ASM_ARM_STRING_H + +/* + * We don't do inline string functions, since the + * optimised inline asm versions are not small. + */ + +#define __HAVE_ARCH_STRRCHR +extern char * strrchr(const char * s, int c); + +#define __HAVE_ARCH_STRCHR +extern char * strchr(const char * s, int c); + +#define __HAVE_ARCH_MEMCPY +extern void * memcpy(void *, const void *, __kernel_size_t); + +#define __HAVE_ARCH_MEMMOVE +extern void * memmove(void *, const void *, __kernel_size_t); + +#define __HAVE_ARCH_MEMCHR +extern void * memchr(const void *, int, __kernel_size_t); + +#define __HAVE_ARCH_MEMZERO +#define __HAVE_ARCH_MEMSET +extern void * memset(void *, int, __kernel_size_t); + +extern void __memzero(void *ptr, __kernel_size_t n); + +#define memset(p,v,n) \ + ({ \ + if ((n) != 0) { \ + if (__builtin_constant_p((v)) && (v) == 0) \ + __memzero((p),(n)); \ + else \ + memset((p),(v),(n)); \ + } \ + (p); \ + }) + +#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); }) + +#endif |