1 #ifndef __ASM_GENERIC_STRING_H !! 1 #ifndef __ALPHA_STRING_H__
2 #define __ASM_GENERIC_STRING_H !! 2 #define __ALPHA_STRING_H__
>> 3
>> 4 #ifdef __KERNEL__
>> 5
3 /* 6 /*
4 * The kernel provides all required functions !! 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.
5 * 9 *
6 * Architectures probably want to provide at l !! 10 * Similarly for a memset with data = 0.
7 * memcpy and memset functions though. <<
8 */ 11 */
9 12
10 #endif /* __ASM_GENERIC_STRING_H */ !! 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__ */
11 69
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.