File: string.h

package info (click to toggle)
linux 3.16.51-3
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-updates
  • size: 755,292 kB
  • sloc: ansic: 12,235,573; asm: 277,597; perl: 53,071; xml: 47,771; makefile: 30,539; sh: 7,977; python: 6,697; cpp: 5,131; yacc: 4,254; lex: 2,215; awk: 741; pascal: 231; lisp: 218; sed: 30
file content (41 lines) | stat: -rw-r--r-- 986 bytes parent folder | download | duplicates (30)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#ifndef __ASM_ARM_STRING_H
#define __ASM_ARM_STRING_H

/*
 * We don't do inline string functions, since the
 * optimised inline asm versions are not small.
 */

#define __HAVE_ARCH_STRRCHR
extern char * strrchr(const char * s, int c);

#define __HAVE_ARCH_STRCHR
extern char * strchr(const char * s, int c);

#define __HAVE_ARCH_MEMCPY
extern void * memcpy(void *, const void *, __kernel_size_t);

#define __HAVE_ARCH_MEMMOVE
extern void * memmove(void *, const void *, __kernel_size_t);

#define __HAVE_ARCH_MEMCHR
extern void * memchr(const void *, int, __kernel_size_t);

#define __HAVE_ARCH_MEMSET
extern void * memset(void *, int, __kernel_size_t);

extern void __memzero(void *ptr, __kernel_size_t n);

#define memset(p,v,n)							\
	({								\
	 	void *__p = (p); size_t __n = n;			\
		if ((__n) != 0) {					\
			if (__builtin_constant_p((v)) && (v) == 0)	\
				__memzero((__p),(__n));			\
			else						\
				memset((__p),(v),(__n));		\
		}							\
		(__p);							\
	})

#endif