diff options
Diffstat (limited to 'arch/s390/include/asm/string.h')
| -rw-r--r-- | arch/s390/include/asm/string.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h index d074673a6d9..cd0241db5a4 100644 --- a/arch/s390/include/asm/string.h +++ b/arch/s390/include/asm/string.h @@ -100,6 +100,7 @@ static inline char *strcat(char *dst, const char *src) static inline char *strcpy(char *dst, const char *src) { +#if __GNUC__ < 4 register int r0 asm("0") = 0; char *ret = dst; @@ -109,10 +110,14 @@ static inline char *strcpy(char *dst, const char *src) : "+&a" (dst), "+&a" (src) : "d" (r0) : "cc", "memory"); return ret; +#else + return __builtin_strcpy(dst, src); +#endif } static inline size_t strlen(const char *s) { +#if __GNUC__ < 4 register unsigned long r0 asm("0") = 0; const char *tmp = s; @@ -121,6 +126,9 @@ static inline size_t strlen(const char *s) " jo 0b" : "+d" (r0), "+a" (tmp) : : "cc"); return r0 - (unsigned long) s; +#else + return __builtin_strlen(s); +#endif } static inline size_t strnlen(const char * s, size_t n) @@ -135,7 +143,13 @@ static inline size_t strnlen(const char * s, size_t n) : "+a" (end), "+a" (tmp) : "d" (r0) : "cc"); return end - s; } - +#else /* IN_ARCH_STRING_C */ +void *memchr(const void * s, int c, size_t n); +void *memscan(void *s, int c, size_t n); +char *strcat(char *dst, const char *src); +char *strcpy(char *dst, const char *src); +size_t strlen(const char *s); +size_t strnlen(const char * s, size_t n); #endif /* !IN_ARCH_STRING_C */ #endif /* __KERNEL__ */ |