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
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