aboutsummaryrefslogtreecommitdiff
path: root/vendor/librune/lib/utf8/u8bspn.c
blob: 3ccd4693da42bbd3a86aad649a73c72aacd1ec02 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
#include "utf8.h"

size_t
u8bspn(const char8_t *s, size_t n, const rune *p, size_t m)
{
	rune ch;
	size_t k = 0;

	while (u8next(&ch, &s, &n)) {
		for (size_t i = 0; i < m; i++) {
			if (p[i] == ch) {
				k += u8wdth(ch);
				goto found;
			}
		}

		break;
found:;
	}

	return k;
}