From a40827b07bdbaeb0a2bbe639858d2aedb67f9e79 Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Wed, 27 May 2020 14:53:48 +0000
Subject: [PATCH] added mio_uchars_to_ipad_bytes() and
 mio_bchars_to_ipad_bytes()

---
 mio/lib/mio-skad.h | 16 ++++++++++++++++
 mio/lib/skad.c     | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/mio/lib/mio-skad.h b/mio/lib/mio-skad.h
index d2e1ce7..7726b0f 100644
--- a/mio/lib/mio-skad.h
+++ b/mio/lib/mio-skad.h
@@ -200,6 +200,22 @@ MIO_EXPORT mio_oow_t mio_ipad_bytes_to_bcstr (
 	mio_oow_t          blen
 );
 
+
+MIO_EXPORT int mio_uchars_to_ipad_bytes (
+	const mio_uch_t*   str,
+	mio_oow_t          slen,
+	mio_uint8_t*       buf,
+	mio_oow_t          blen
+);
+
+MIO_EXPORT int mio_bchars_to_ipad_bytes (
+	const mio_bch_t*   str,
+	mio_oow_t          slen,
+	mio_uint8_t*       buf,
+	mio_oow_t          blen
+);
+
+
 #if defined(__cplusplus)
 }
 #endif
diff --git a/mio/lib/skad.c b/mio/lib/skad.c
index e645429..db5a15c 100644
--- a/mio/lib/skad.c
+++ b/mio/lib/skad.c
@@ -1550,3 +1550,45 @@ mio_oow_t mio_ipad_bytes_to_bcstr (const mio_uint8_t* iptr, mio_oow_t ilen, mio_
 			return 0;
 	}
 }
+
+int mio_uchars_to_ipad_bytes (const mio_uch_t* str, mio_oow_t slen, mio_uint8_t* buf, mio_oow_t blen)
+{
+	if (blen >= 16)
+	{
+		struct in6_addr i6;
+		if (uchars_to_ipv6(str, slen, &i6) <= -1) goto ipv4;
+		MIO_MEMCPY (buf, i6.s6_addr, 16);
+		return 16;
+	}
+	else if (blen >= 4)
+	{
+		struct in_addr i4;
+	ipv4:
+		if (uchars_to_ipv4(str, slen, &i4) <= -1) return -1;
+		MIO_MEMCPY (buf, &i4.s_addr, 4);
+		return 4;
+	}
+
+	return -1;
+}
+
+int mio_bchars_to_ipad_bytes (const mio_bch_t* str, mio_oow_t slen, mio_uint8_t* buf, mio_oow_t blen)
+{
+	if (blen >= 16)
+	{
+		struct in6_addr i6;
+		if (bchars_to_ipv6(str, slen, &i6) <= -1) goto ipv4;
+		MIO_MEMCPY (buf, i6.s6_addr, 16);
+		return 16;
+	}
+	else if (blen >= 4)
+	{
+		struct in_addr i4;
+	ipv4:
+		if (bchars_to_ipv4(str, slen, &i4) <= -1) return -1;
+		MIO_MEMCPY (buf, &i4.s_addr, 4);
+		return 4;
+	}
+
+	return -1;
+}