/* *  include/asm-s390/string.h * *  S390 version *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), */ #ifndef _S390_STRING_H_#define _S390_STRING_H_ #ifdef __KERNEL__ #ifndef _LINUX_TYPES_H#include <linux/types.h>#endif #define __HAVE_ARCH_MEMCHR	/* inline & arch function */#define __HAVE_ARCH_MEMCMP	/* arch function */#define __HAVE_ARCH_MEMCPY	/* gcc builtin & arch function */#define __HAVE_ARCH_MEMSCAN	/* inline & arch function */#define __HAVE_ARCH_MEMSET	/* gcc builtin & arch function */#define __HAVE_ARCH_STRCAT	/* inline & arch function */#define __HAVE_ARCH_STRCMP	/* arch function */#define __HAVE_ARCH_STRCPY	/* inline & arch function */#define __HAVE_ARCH_STRLCAT	/* arch function */#define __HAVE_ARCH_STRLCPY	/* arch function */#define __HAVE_ARCH_STRLEN	/* inline & arch function */#define __HAVE_ARCH_STRNCAT	/* arch function */#define __HAVE_ARCH_STRNCPY	/* arch function */#define __HAVE_ARCH_STRNLEN	/* inline & arch function */#define __HAVE_ARCH_STRRCHR	/* arch function */#define __HAVE_ARCH_STRSTR	/* arch function */ /* Prototypes for non-inlined arch strings functions. */extern int memcmp(const void *, const void *, size_t);extern void *memcpy(void *, const void *, size_t);extern void *memset(void *, int, size_t);extern int strcmp(const char *,const char *);extern size_t strlcat(char *, const char *, size_t);extern size_t strlcpy(char *, const char *, size_t);extern char *strncat(char *, const char *, size_t);extern char *strncpy(char *, const char *, size_t);extern char *strrchr(const char *, int);extern char *strstr(const char *, const char *); #undef __HAVE_ARCH_MEMMOVE#undef __HAVE_ARCH_STRCHR#undef __HAVE_ARCH_STRNCHR#undef __HAVE_ARCH_STRNCMP#undef __HAVE_ARCH_STRNICMP#undef __HAVE_ARCH_STRPBRK#undef __HAVE_ARCH_STRSEP#undef __HAVE_ARCH_STRSPN #if !defined(IN_ARCH_STRING_C) static inline void *memchr(const void * s, int c, size_t n){	register int r0 asm("0") = (char) c;	const void *ret = s + n; 	asm volatile(		"0:	srst	%0,%1\n"		"	jo	0b\n"		"	jl	1f\n"		"	la	%0,0\n"		"1:"		: "+a" (ret), "+&a" (s) : "d" (r0) : "cc");	return (void *) ret;} static inline void *memscan(void *s, int c, size_t n){	register int r0 asm("0") = (char) c;	const void *ret = s + n; 	asm volatile(		"0:	srst	%0,%1\n"		"	jo	0b\n"		: "+a" (ret), "+&a" (s) : "d" (r0) : "cc");	return (void *) ret;} static inline char *strcat(char *dst, const char *src){	register int r0 asm("0") = 0;	unsigned long dummy;	char *ret = dst; 	asm volatile(		"0:	srst	%0,%1\n"		"	jo	0b\n"		"1:	mvst	%0,%2\n"		"	jo	1b"		: "=&a" (dummy), "+a" (dst), "+a" (src)		: "d" (r0), "0" (0) : "cc", "memory" );	return ret;} static inline char *strcpy(char *dst, const char *src){	register int r0 asm("0") = 0;	char *ret = dst; 	asm volatile(		"0:	mvst	%0,%1\n"		"	jo	0b"		: "+&a" (dst), "+&a" (src) : "d" (r0)		: "cc", "memory");	return ret;} static inline size_t strlen(const char *s){	register unsigned long r0 asm("0") = 0;	const char *tmp = s; 	asm volatile(		"0:	srst	%0,%1\n"		"	jo	0b"		: "+d" (r0), "+a" (tmp) :  : "cc");	return r0 - (unsigned long) s;} static inline size_t strnlen(const char * s, size_t n){	register int r0 asm("0") = 0;	const char *tmp = s;	const char *end = s + n; 	asm volatile(		"0:	srst	%0,%1\n"		"	jo	0b"		: "+a" (end), "+a" (tmp) : "d" (r0)  : "cc");	return end - s;} #endif /* !IN_ARCH_STRING_C */ #endif /* __KERNEL__ */ #endif /* __S390_STRING_H_ */