| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | #endif /* __KERNEL__ */ |
| 65 | |
| 66 | #endif /* __ALPHA_STRING_H__ */ |