mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
7c83f4abc8
- wcsstr() is now linearly complex - strstr16() is now linearly complex - strstr() is now vectorized on aarch64 (10x) - strstr() now uses KMP on pathological cases - memmem() is now vectorized on aarch64 (10x) - memmem() now uses KMP on pathological cases - Disable shared_ptr::owner_before until fixed - Make iswlower(), iswupper() consistent with glibc - Remove figure space from iswspace() implementation - Include line and paragraph separator in iswcntrl() - Use Musl wcwidth(), iswalpha(), iswpunct(), towlower(), towupper()
20 lines
397 B
C
20 lines
397 B
C
#include <stdlib.h>
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void *bsearch(const void *key, const void *base, size_t nel, size_t width, int (*cmp)(const void *, const void *))
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{
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void *try;
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int sign;
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while (nel > 0) {
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try = (char *)base + width*(nel/2);
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sign = cmp(key, try);
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if (sign < 0) {
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nel /= 2;
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} else if (sign > 0) {
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base = (char *)try + width;
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nel -= nel/2+1;
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} else {
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return try;
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}
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}
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return NULL;
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}
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