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    Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/include/asm-alpha/string.h

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    Revision 630 - (show annotations) (download)
    Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
    File MIME type: text/plain
    File size: 2146 byte(s) 
    Tag kernel26-2.6.12-alx-r9
    1 #ifndef __ALPHA_STRING_H__
    2 #define __ALPHA_STRING_H__
    3
    4 #ifdef __KERNEL__
    5
    6 /*
    7 * GCC of any recent vintage doesn't do stupid things with bcopy.
    8 * EGCS 1.1 knows all about expanding memcpy inline, others don't.
    9 *
    10 * Similarly for a memset with data = 0.
    11 */
    12
    13 #define __HAVE_ARCH_MEMCPY
    14 extern void * memcpy(void *, const void *, size_t);
    15 #define __HAVE_ARCH_MEMMOVE
    16 extern void * memmove(void *, const void *, size_t);
    17
    18 /* For backward compatibility with modules. Unused otherwise. */
    19 extern void * __memcpy(void *, const void *, size_t);
    20
    21 #define memcpy __builtin_memcpy
    22
    23 #define __HAVE_ARCH_MEMSET
    24 extern void * __constant_c_memset(void *, unsigned long, size_t);
    25 extern void * __memset(void *, int, size_t);
    26 extern void * memset(void *, int, size_t);
    27
    28 #define memset(s, c, n) \
    29 (__builtin_constant_p(c) \
    30 ? (__builtin_constant_p(n) && (c) == 0 \
    31 ? __builtin_memset((s),0,(n)) \
    32 : __constant_c_memset((s),0x0101010101010101UL*(unsigned char)(c),(n))) \
    33 : __memset((s),(c),(n)))
    34
    35 #define __HAVE_ARCH_STRCPY
    36 extern char * strcpy(char *,const char *);
    37 #define __HAVE_ARCH_STRNCPY
    38 extern char * strncpy(char *, const char *, size_t);
    39 #define __HAVE_ARCH_STRCAT
    40 extern char * strcat(char *, const char *);
    41 #define __HAVE_ARCH_STRNCAT
    42 extern char * strncat(char *, const char *, size_t);
    43 #define __HAVE_ARCH_STRCHR
    44 extern char * strchr(const char *,int);
    45 #define __HAVE_ARCH_STRRCHR
    46 extern char * strrchr(const char *,int);
    47 #define __HAVE_ARCH_STRLEN
    48 extern size_t strlen(const char *);
    49 #define __HAVE_ARCH_MEMCHR
    50 extern void * memchr(const void *, int, size_t);
    51
    52 /* The following routine is like memset except that it writes 16-bit
    53 aligned values. The DEST and COUNT parameters must be even for
    54 correct operation. */
    55
    56 #define __HAVE_ARCH_MEMSETW
    57 extern void * __memsetw(void *dest, unsigned short, size_t count);
    58
    59 #define memsetw(s, c, n) \
    60 (__builtin_constant_p(c) \
    61 ? __constant_c_memset((s),0x0001000100010001UL*(unsigned short)(c),(n)) \
    62 : __memsetw((s),(c),(n)))
    63
    64 extern int strcasecmp(const char *, const char *);
    65
    66 #endif /* __KERNEL__ */
    67
    68 #endif /* __ALPHA_STRING_H__ */