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__ */ 69