/* SPDX-License-Identifier: GPL-2.0 */#ifndef __ALPHA_STRING_H__#define __ALPHA_STRING_H__ #ifdef __KERNEL__ /* * GCC of any recent vintage doesn't do stupid things with bcopy. * EGCS 1.1 knows all about expanding memcpy inline, others don't. * * Similarly for a memset with data = 0. */ #define __HAVE_ARCH_MEMCPYextern void * memcpy(void *, const void *, size_t);#define __HAVE_ARCH_MEMMOVEextern void * memmove(void *, const void *, size_t); /* For backward compatibility with modules.  Unused otherwise.  */extern void * __memcpy(void *, const void *, size_t); #define memcpy __builtin_memcpy #define __HAVE_ARCH_MEMSETextern void * __constant_c_memset(void *, unsigned long, size_t);extern void * ___memset(void *, int, size_t);extern void * __memset(void *, int, size_t);extern void * memset(void *, int, size_t); /* For gcc 3.x, we cannot have the inline function named "memset" because   the __builtin_memset will attempt to resolve to the inline as well,   leading to a "sorry" about unimplemented recursive inlining.  */extern inline void *__memset(void *s, int c, size_t n){	if (__builtin_constant_p(c)) {		if (__builtin_constant_p(n)) {			return __builtin_memset(s, c, n);		} else {			unsigned long c8 = (c & 0xff) * 0x0101010101010101UL;			return __constant_c_memset(s, c8, n);		}	}	return ___memset(s, c, n);} #define memset __memset #define __HAVE_ARCH_STRCPYextern char * strcpy(char *,const char *);#define __HAVE_ARCH_STRNCPYextern char * strncpy(char *, const char *, size_t);#define __HAVE_ARCH_STRCATextern char * strcat(char *, const char *);#define __HAVE_ARCH_STRNCATextern char * strncat(char *, const char *, size_t);#define __HAVE_ARCH_STRCHRextern char * strchr(const char *,int);#define __HAVE_ARCH_STRRCHRextern char * strrchr(const char *,int);#define __HAVE_ARCH_STRLENextern size_t strlen(const char *);#define __HAVE_ARCH_MEMCHRextern void * memchr(const void *, int, size_t); /* The following routine is like memset except that it writes 16-bit   aligned values.  The DEST and COUNT parameters must be even for    correct operation.  */ #define __HAVE_ARCH_MEMSET16extern void * __memset16(void *dest, unsigned short, size_t count);static inline void *memset16(uint16_t *p, uint16_t v, size_t n){	if (__builtin_constant_p(v))		return __constant_c_memset(p, 0x0001000100010001UL * v, n * 2);	return __memset16(p, v, n * 2);} #endif /* __KERNEL__ */ #endif /* __ALPHA_STRING_H__ */