1 files changed, 13 insertions, 0 deletions
diff --git a/hex.c b/hex.c
new file mode 100644
index 0000000..abb2ede
--- /dev/null
+++ b/hex.c
@@ -0,0 +1,13 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+char *
+hex(char *out, const unsigned char *in, size_t n, const char *xdigits)
+{
+	for (; n--; in++) {
+		*out++ = xdigits[(*in >> 4) & 15];
+		*out++ = xdigits[(*in >> 0) & 15];
+	}
+	return out;
+}