Genesis commit

1 files changed, 20 insertions, 0 deletions

diff --git a/vendor/librune/lib/mbstring/u8rlen.c b/vendor/librune/lib/mbstring/u8rlen.c
new file mode 100644
index 0000000..ac579c7
--- /dev/null
+++ b/vendor/librune/lib/mbstring/u8rlen.c
@@ -0,0 +1,20 @@
+#include <stddef.h>
+
+#include "mbstring.h"
+
+#include "internal/common.h"
+
+int
+u8rlen(const char8_t *s)
+{
+	if (U1(*s))
+		return 1;
+	else if (U2(*s))
+		return 2;
+	else if (U3(*s))
+		return 3;
+	else if (U4(*s))
+		return 4;
+
+	unreachable();
+}