diff options
Diffstat (limited to 'kernel/arch/arm/include/asm/string.h')
-rw-r--r-- | kernel/arch/arm/include/asm/string.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/kernel/arch/arm/include/asm/string.h b/kernel/arch/arm/include/asm/string.h new file mode 100644 index 000000000..cf4f3aad0 --- /dev/null +++ b/kernel/arch/arm/include/asm/string.h @@ -0,0 +1,41 @@ +#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_MEMSET +extern void * memset(void *, int, __kernel_size_t); + +extern void __memzero(void *ptr, __kernel_size_t n); + +#define memset(p,v,n) \ + ({ \ + void *__p = (p); size_t __n = n; \ + if ((__n) != 0) { \ + if (__builtin_constant_p((v)) && (v) == 0) \ + __memzero((__p),(__n)); \ + else \ + memset((__p),(v),(__n)); \ + } \ + (__p); \ + }) + +#endif |