zig/lib/libc/musl/src/stdlib/bsearch.c
Andrew Kelley 49d1a4c562 move lib dirs to lib subdir
also start prefering NtDll API. so far:
 * NtQueryInformationFile
 * NtClose

adds a performance workaround for windows unicode conversion. but that
should probably be removed before merging
2019-07-15 17:54:50 -04:00

21 lines
397 B
C
Vendored

#include <stdlib.h>
void *bsearch(const void *key, const void *base, size_t nel, size_t width, int (*cmp)(const void *, const void *))
{
void *try;
int sign;
while (nel > 0) {
try = (char *)base + width*(nel/2);
sign = cmp(key, try);
if (sign < 0) {
nel /= 2;
} else if (sign > 0) {
base = (char *)try + width;
nel -= nel/2+1;
} else {
return try;
}
}
return NULL;
}