#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);
extern void * memset(void *, int, size_t);

/* For gcc 3.x, we cannot have the inline function named "memset" because
the __builtin_memset will attempt to resolve to the inline as well,
leading to a "sorry" about unimplemented recursive inlining. */
extern inline void *__memset(void *s, int c, size_t n)
{
if (__builtin_constant_p(c)) {
if (__builtin_constant_p(n)) {
return __builtin_memset(s, c, n);
} else {
unsigned long c8 = (c & 0xff) * 0x0101010101010101UL;
return __constant_c_memset(s, c8, n);
}
}
return ___memset(s, c, n);
}

#define memset __memset

#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)))

#endif /* __KERNEL__ */

#endif /* __ALPHA_STRING_H__ */