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include/asm-alpha/string.h
2.04 KB
1da177e4c
Linux-2.6.12-rc2
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#ifndef __ALPHA_STRING_H__
#define __ALPHA_STRING_H__
#ifdef __KERNEL__
/*
* GCC of any recent vintage doesn't do stupid things with bcopy.
* EGCS 1.1 knows all about expanding memcpy inline, others don't.
*
* Similarly for a memset with data = 0.
*/
#define __HAVE_ARCH_MEMCPY
extern void * memcpy(void *, const void *, size_t);
#define __HAVE_ARCH_MEMMOVE
extern void * memmove(void *, const void *, size_t);
/* For backward compatibility with modules. Unused otherwise. */
extern void * __memcpy(void *, const void *, size_t);
#define memcpy __builtin_memcpy
#define __HAVE_ARCH_MEMSET
extern void * __constant_c_memset(void *, unsigned long, size_t);
extern void * __memset(void *, int, size_t);
extern void * memset(void *, int, size_t);
#define memset(s, c, n) \
(__builtin_constant_p(c) \
? (__builtin_constant_p(n) && (c) == 0 \
? __builtin_memset((s),0,(n)) \
: __constant_c_memset((s),0x0101010101010101UL*(unsigned char)(c),(n))) \
: __memset((s),(c),(n)))
#define __HAVE_ARCH_STRCPY
extern char * strcpy(char *,const char *);
#define __HAVE_ARCH_STRNCPY
extern char * strncpy(char *, const char *, size_t);
#define __HAVE_ARCH_STRCAT
extern char * strcat(char *, const char *);
#define __HAVE_ARCH_STRNCAT
extern char * strncat(char *, const char *, size_t);
#define __HAVE_ARCH_STRCHR
extern char * strchr(const char *,int);
#define __HAVE_ARCH_STRRCHR
extern char * strrchr(const char *,int);
#define __HAVE_ARCH_STRLEN
extern size_t strlen(const char *);
#define __HAVE_ARCH_MEMCHR
extern void * memchr(const void *, int, size_t);
/* The following routine is like memset except that it writes 16-bit
aligned values. The DEST and COUNT parameters must be even for
correct operation. */
#define __HAVE_ARCH_MEMSETW
extern void * __memsetw(void *dest, unsigned short, size_t count);
#define memsetw(s, c, n) \
(__builtin_constant_p(c) \
? __constant_c_memset((s),0x0001000100010001UL*(unsigned short)(c),(n)) \
: __memsetw((s),(c),(n)))
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1da177e4c
Linux-2.6.12-rc2
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#endif /* __KERNEL__ */ #endif /* __ALPHA_STRING_H__ */ |