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usr
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src
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linux-headers-5.4.0-113-generic
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arch
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alpha
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include
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asm
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Filename :
string.h
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/* 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_MEMCPY extern void * memcpy(void *, const void *, size_t); #define __HAVE_ARCH_MEMMOVE extern 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_MEMSET extern 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_STRCPY extern char * strcpy(char *,const char *); #define __HAVE_ARCH_STRNCPY extern char * strncpy(char *, const char *, size_t); #define __HAVE_ARCH_STRCAT extern char * strcat(char *, const char *); #define __HAVE_ARCH_STRNCAT extern char * strncat(char *, const char *, size_t); #define __HAVE_ARCH_STRCHR extern char * strchr(const char *,int); #define __HAVE_ARCH_STRRCHR extern char * strrchr(const char *,int); #define __HAVE_ARCH_STRLEN extern size_t strlen(const char *); #define __HAVE_ARCH_MEMCHR extern 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_MEMSET16 extern 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__ */