67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
#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)))
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* __ALPHA_STRING_H__ */
|