ia64/linux-2.6.18-xen.hg

view include/asm-arm/string.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 #ifndef __ASM_ARM_STRING_H
2 #define __ASM_ARM_STRING_H
4 /*
5 * We don't do inline string functions, since the
6 * optimised inline asm versions are not small.
7 */
9 #define __HAVE_ARCH_STRRCHR
10 extern char * strrchr(const char * s, int c);
12 #define __HAVE_ARCH_STRCHR
13 extern char * strchr(const char * s, int c);
15 #define __HAVE_ARCH_MEMCPY
16 extern void * memcpy(void *, const void *, __kernel_size_t);
18 #define __HAVE_ARCH_MEMMOVE
19 extern void * memmove(void *, const void *, __kernel_size_t);
21 #define __HAVE_ARCH_MEMCHR
22 extern void * memchr(const void *, int, __kernel_size_t);
24 #define __HAVE_ARCH_MEMZERO
25 #define __HAVE_ARCH_MEMSET
26 extern void * memset(void *, int, __kernel_size_t);
28 extern void __memzero(void *ptr, __kernel_size_t n);
30 #define memset(p,v,n) \
31 ({ \
32 void *__p = (p); size_t __n = n; \
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 })
42 #define memzero(p,n) \
43 ({ \
44 void *__p = (p); size_t __n = n; \
45 if ((__n) != 0) \
46 __memzero((__p),(__n)); \
47 (__p); \
48 })
50 #endif