Support line- & column-based match locations

1 files changed, 13 insertions, 0 deletions

diff --git a/vendor/librune/lib/utf8/u8len.c b/vendor/librune/lib/utf8/u8len.c
new file mode 100644
index 0000000..fc66ee7
--- /dev/null
+++ b/vendor/librune/lib/utf8/u8len.c
@@ -0,0 +1,13 @@
+#include "utf8.h"
+
+size_t
+u8len(const char8_t *s, size_t n)
+{
+	rune unused;
+	size_t m = 0;
+
+	while (u8next(&unused, &s, &n))
+		m++;
+
+	return m;
+}