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/src/utf8_chsize.c (raw)

#include <stdint.h>
#include <stddef.h>
#include "unicode.h"

size_t utf8_chsize(uint32_t ch) {
	if (ch < 0x80) {
		return 1;
	} else if (ch < 0x800) {
		return 2;
	} else if (ch < 0x10000) {
		return 3;
	}
	return 4;
}