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