1#include "util/string.h"
 2
 3#include <string.h>
 4
 5#ifndef HAVE_STRNDUP
 6char* strndup(const char* start, size_t len) {
 7	// This is suboptimal, but anything recent should have strndup
 8	char* out = malloc((len + 1) * sizeof(char));
 9	strncpy(out, start, len);
10	out[len] = '\0';
11	return out;
12}
13#endif
14
15char* strnrstr(const char* restrict haystack, const char* restrict needle, size_t len) {
16	char* last = 0;
17	const char* next = haystack;
18	size_t needleLen = strlen(needle);
19	for (; len >= needleLen; --len, ++next) {
20		if (strncmp(needle, next, needleLen) == 0) {
21			last = (char*) next;
22		}
23	}
24	return last;
25}