Support line- & column-based match locations

1 files changed, 24 insertions, 0 deletions

diff --git a/vendor/librune/lib/utf8/u8set.c b/vendor/librune/lib/utf8/u8set.c
new file mode 100644
index 0000000..0dfba2c
--- /dev/null
+++ b/vendor/librune/lib/utf8/u8set.c
@@ -0,0 +1,24 @@
+#include <string.h>
+
+#include "utf8.h"
+
+#include "internal/common.h"
+
+size_t
+u8set(const char8_t *s, rune ch, size_t n)
+{
+	int m;
+	char8_t buf[U8_LEN_MAX];
+
+	if (n == 0)
+		return 0;
+	if (ch <= _1B_MAX) {
+		memset((char *)s, ch, n);
+		return n;
+	}
+	m = rtou8(buf, ch, sizeof(buf));
+	for (size_t i = 0; i < n; i += m)
+		memcpy((char *)s + i, buf, m);
+
+	return n - n % m;
+}