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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-ppc/] [string.h] - Rev 1633
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#ifndef _PPC_STRING_H_ #define _PPC_STRING_H_ /* * keep things happy, the compile became unhappy since memset is * in include/string.h and lib/string.c with different args * -- Cort */ #define __HAVE_ARCH_MEMSET extern inline void * memset(void * s,int c,size_t count) { char *xs = (char *) s; while (count--) *xs++ = c; return s; } #define __HAVE_ARCH_STRSTR /* Return the first occurrence of NEEDLE in HAYSTACK. */ extern inline char * strstr(const char *haystack, const char *needle) { const char *const needle_end = strchr(needle, '\0'); const char *const haystack_end = strchr(haystack, '\0'); const size_t needle_len = needle_end - needle; const size_t needle_last = needle_len - 1; const char *begin; if (needle_len == 0) #ifdef __linux__ return (char *) haystack; #else return (char *) haystack_end; #endif if ((size_t) (haystack_end - haystack) < needle_len) return NULL; for (begin = &haystack[needle_last]; begin < haystack_end; ++begin) { register const char *n = &needle[needle_last]; register const char *h = begin; do if (*h != *n) goto loop; /* continue for loop */ while (--n >= needle && --h >= haystack); return (char *) h; loop:; } return NULL; } #endif
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