#ifndef _M68K_STRING_H_#define _M68K_STRING_H_ #include <linux/types.h>#include <linux/compiler.h> static inline size_t __kernel_strlen(const char *s){	const char *sc; 	for (sc = s; *sc++; )		;	return sc - s - 1;} static inline char *__kernel_strcpy(char *dest, const char *src){	char *xdest = dest; 	asm volatile ("\n"		"1:	move.b	(%1)+,(%0)+\n"		"	jne	1b"		: "+a" (dest), "+a" (src)		: : "memory");	return xdest;} #ifndef __IN_STRING_C #define __HAVE_ARCH_STRLEN#define strlen(s)	(__builtin_constant_p(s) ?	\			 __builtin_strlen(s) :		\			 __kernel_strlen(s)) #define __HAVE_ARCH_STRNLENstatic inline size_t strnlen(const char *s, size_t count){	const char *sc = s; 	asm volatile ("\n"		"1:     subq.l  #1,%1\n"		"       jcs     2f\n"		"       tst.b   (%0)+\n"		"       jne     1b\n"		"       subq.l  #1,%0\n"		"2:"		: "+a" (sc), "+d" (count));	return sc - s;} #define __HAVE_ARCH_STRCPY#if __GNUC__ >= 4#define strcpy(d, s)	(__builtin_constant_p(s) &&	\			 __builtin_strlen(s) <= 32 ?	\			 __builtin_strcpy(d, s) :	\			 __kernel_strcpy(d, s))#else#define strcpy(d, s)	__kernel_strcpy(d, s)#endif #define __HAVE_ARCH_STRNCPYstatic inline char *strncpy(char *dest, const char *src, size_t n){	char *xdest = dest; 	asm volatile ("\n"		"	jra	2f\n"		"1:	move.b	(%1),(%0)+\n"		"	jeq	2f\n"		"	addq.l	#1,%1\n"		"2:	subq.l	#1,%2\n"		"	jcc	1b\n"		: "+a" (dest), "+a" (src), "+d" (n)		: : "memory");	return xdest;} #define __HAVE_ARCH_STRCAT#define strcat(d, s)	({			\	char *__d = (d);			\	strcpy(__d + strlen(__d), (s));		\}) #define __HAVE_ARCH_STRCHRstatic inline char *strchr(const char *s, int c){	char sc, ch = c; 	for (; (sc = *s++) != ch; ) {		if (!sc)			return NULL;	}	return (char *)s - 1;} #define __HAVE_ARCH_STRCMPstatic inline int strcmp(const char *cs, const char *ct){	char res; 	asm ("\n"		"1:	move.b	(%0)+,%2\n"	/* get *cs */		"	cmp.b	(%1)+,%2\n"	/* compare a byte */		"	jne	2f\n"		/* not equal, break out */		"	tst.b	%2\n"		/* at end of cs? */		"	jne	1b\n"		/* no, keep going */		"	jra	3f\n"		/* strings are equal */		"2:	sub.b	-(%1),%2\n"	/* *cs - *ct */		"3:"		: "+a" (cs), "+a" (ct), "=d" (res));	return res;} #define __HAVE_ARCH_MEMSETextern void *memset(void *, int, __kernel_size_t);#define memset(d, c, n) __builtin_memset(d, c, n) #define __HAVE_ARCH_MEMCPYextern void *memcpy(void *, const void *, __kernel_size_t);#define memcpy(d, s, n) __builtin_memcpy(d, s, n) #define __HAVE_ARCH_MEMMOVEextern void *memmove(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMCMPextern int memcmp(const void *, const void *, __kernel_size_t);#define memcmp(d, s, n) __builtin_memcmp(d, s, n) #endif #endif /* _M68K_STRING_H_ */