From 6787ee78415aa4cedfad87063878aeccd5402ebb Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Thu, 20 Feb 2020 15:35:16 +0000
Subject: [PATCH] updated copyright years. attempting to support dns over tcp

---
 mio/bin/execd.c    |  2 +-
 mio/bin/t01.c      |  2 +-
 mio/lib/dns.c      | 73 +++++++++++++++++++++-------------------------
 mio/lib/err.c      |  2 +-
 mio/lib/fmt-imp.h  |  2 +-
 mio/lib/fmt.c      |  2 +-
 mio/lib/mio-cmn.h  |  2 +-
 mio/lib/mio-dns.h  |  5 ++--
 mio/lib/mio-fmt.h  |  2 +-
 mio/lib/mio-nwif.h |  2 +-
 mio/lib/mio-pac1.h |  2 +-
 mio/lib/mio-pro.h  |  2 +-
 mio/lib/mio-prv.h  |  2 +-
 mio/lib/mio-sck.h  |  2 +-
 mio/lib/mio-skad.h |  2 +-
 mio/lib/mio-sys.h  |  2 +-
 mio/lib/mio-upac.h |  2 +-
 mio/lib/mio-utl.h  |  2 +-
 mio/lib/mio.c      |  2 +-
 mio/lib/mio.h      |  2 +-
 mio/lib/nwif.c     |  2 +-
 mio/lib/pro.c      |  2 +-
 mio/lib/sck.c      |  2 +-
 mio/lib/skad.c     |  2 +-
 mio/lib/sys-ass.c  |  2 +-
 mio/lib/sys-err.c  |  2 +-
 mio/lib/sys-log.c  |  2 +-
 mio/lib/sys-mux.c  |  2 +-
 mio/lib/sys-tim.c  |  2 +-
 mio/lib/sys.c      |  2 +-
 mio/lib/tmr.c      |  2 +-
 mio/lib/utf8.c     |  2 +-
 mio/lib/utl.c      |  2 +-
 33 files changed, 67 insertions(+), 73 deletions(-)

diff --git a/mio/bin/execd.c b/mio/bin/execd.c
index 2f03ad4..08dc3c9 100644
--- a/mio/bin/execd.c
+++ b/mio/bin/execd.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/bin/t01.c b/mio/bin/t01.c
index bcabda1..d8358e5 100644
--- a/mio/bin/t01.c
+++ b/mio/bin/t01.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/dns.c b/mio/lib/dns.c
index 8cf9eee..67b4bd0 100644
--- a/mio/lib/dns.c
+++ b/mio/lib/dns.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
@@ -41,7 +41,8 @@ struct mio_svc_dnc_t
 	MIO_SVC_HEADERS;
 	/*MIO_DNS_SVC_HEADERS;*/
 
-	mio_dev_sck_t* sck;
+	mio_dev_sck_t* udp_sck;
+	mio_dev_sck_t* tcp_sck;
 	mio_skad_t serv_addr;
 
 	mio_ntime_t send_tmout; 
@@ -165,7 +166,7 @@ static mio_dns_msg_t* build_dns_msg (mio_svc_dnc_t* dnc, mio_dns_bhdr_t* bdns, m
 		}
 
 		msgxtn = dnc_dns_msg_getxtn(msg);
-		msgxtn->dev = (mio_dev_t*)dnc->sck;
+		msgxtn->dev = (mio_dev_t*)dnc->udp_sck;
 		msgxtn->rtmridx = MIO_TMRIDX_INVALID;
 	}
 
@@ -213,8 +214,7 @@ MIO_DEBUG1 (mio, "releasing dns msg %d\n", (int)mio_ntoh16(mio_dns_msg_to_pkt(ms
 	mio_dns_free_msg (dnc->mio, msg);
 }
 
-
-static int dnc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen, const mio_skad_t* srcaddr)
+static int on_udp_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen, const mio_skad_t* srcaddr)
 {
 	mio_t* mio = dev->mio;
 	mio_svc_dnc_t* dnc = ((dnc_sck_xtn_t*)mio_dev_sck_getxtn(dev))->dnc;
@@ -238,23 +238,29 @@ static int dnc_on_read (mio_dev_sck_t* dev, const void* data, mio_iolen_t dlen,
 
 	/* if id doesn't match one of the pending requests sent,  drop it */
 
-/* TODO: improve performance */
+/* TODO: improve performance of dns response matching*/
 	reqmsg = dnc->pending_req;
 	while (reqmsg)
 	{
 		mio_dns_pkt_t* reqpkt = mio_dns_msg_to_pkt(reqmsg);
-		dnc_dns_msg_xtn_t* msgxtn = dnc_dns_msg_getxtn(reqmsg);
+		dnc_dns_msg_xtn_t* reqmsgxtn = dnc_dns_msg_getxtn(reqmsg);
 
-		if (dev == (mio_dev_sck_t*)msgxtn->dev && pkt->id == reqpkt->id && mio_equal_skads(&msgxtn->servaddr, srcaddr, 0))
+		if (dev == (mio_dev_sck_t*)reqmsgxtn->dev && pkt->id == reqpkt->id && mio_equal_skads(&reqmsgxtn->servaddr, srcaddr, 0))
 		{
+			if (pkt->tc) /* truncated */
+			{
+				/* TODO: add an option for this behavior */
+				/* TODO: switch to tc ... send the same request over tcp... */
+			}
+
 MIO_DEBUG1 (mio, "received dns response...id %d\n", id);
-			if (MIO_LIKELY(msgxtn->on_reply))
-				msgxtn->on_reply (dnc, reqmsg, MIO_ENOERR, data, dlen);
+			if (MIO_LIKELY(reqmsgxtn->on_reply))
+				reqmsgxtn->on_reply (dnc, reqmsg, MIO_ENOERR, data, dlen);
 
 			release_dns_msg (dnc, reqmsg);
 			return 0;
 		}
-		reqmsg = msgxtn->next;
+		reqmsg = reqmsgxtn->next;
 	}
 
 	/* the response id didn't match the ID of pending requests - need to wait longer? */
@@ -262,7 +268,7 @@ MIO_DEBUG1 (mio, "unknown dns response... %d\n", pkt->id); /* TODO: add source i
 	return 0;
 }
 
-static void dnc_on_reply_timeout (mio_t* mio, const mio_ntime_t* now, mio_tmrjob_t* job)
+static void on_udp_reply_timeout (mio_t* mio, const mio_ntime_t* now, mio_tmrjob_t* job)
 {
 	mio_dns_msg_t* reqmsg = (mio_dns_msg_t*)job->ctx;
 	dnc_dns_msg_xtn_t* msgxtn = dnc_dns_msg_getxtn(reqmsg);
@@ -277,7 +283,7 @@ MIO_DEBUG0 (mio, "*** TIMEOUT ==> unable to receive dns response in time...\n");
 		mio_ntime_t* tmout;
 
 		tmout = MIO_IS_POS_NTIME(&msgxtn->wtmout)? &msgxtn->wtmout: MIO_NULL;
-		if (mio_dev_sck_timedwrite(dnc->sck, mio_dns_msg_to_pkt(reqmsg), reqmsg->pktlen, tmout, reqmsg, &msgxtn->servaddr) <= -1)
+		if (mio_dev_sck_timedwrite(dnc->udp_sck, mio_dns_msg_to_pkt(reqmsg), reqmsg->pktlen, tmout, reqmsg, &msgxtn->servaddr) <= -1)
 		{
 			if (MIO_LIKELY(msgxtn->on_reply))
 				msgxtn->on_reply (dnc, reqmsg, MIO_ETMOUT, MIO_NULL, 0);
@@ -297,7 +303,7 @@ printf (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> RESENT REQUEST >>>>>>>>>>>>>>>>
 }
 
 
-static int dnc_on_write (mio_dev_sck_t* dev, mio_iolen_t wrlen, void* wrctx, const mio_skad_t* dstaddr)
+static int on_udp_write (mio_dev_sck_t* dev, mio_iolen_t wrlen, void* wrctx, const mio_skad_t* dstaddr)
 {
 	mio_t* mio = dev->mio;
 	mio_dns_msg_t* msg = (mio_dns_msg_t*)wrctx;
@@ -324,7 +330,7 @@ MIO_DEBUG1 (mio, "sent dns message %d\n", (int)mio_ntoh16(mio_dns_msg_to_pkt(msg
 		tmrjob.ctx = msg;
 		mio_gettime (mio, &tmrjob.when);
 		MIO_ADD_NTIME (&tmrjob.when, &tmrjob.when, &msgxtn->rtmout);
-		tmrjob.handler = dnc_on_reply_timeout;
+		tmrjob.handler = on_udp_reply_timeout;
 		tmrjob.idxptr = &msgxtn->rtmridx;
 		msgxtn->rtmridx = mio_instmrjob(mio, &tmrjob);
 		if (msgxtn->rtmridx == MIO_TMRIDX_INVALID)
@@ -360,11 +366,11 @@ MIO_DEBUG1 (mio, "sent dns message %d\n", (int)mio_ntoh16(mio_dns_msg_to_pkt(msg
 	return 0;
 }
 
-static void dnc_on_connect (mio_dev_sck_t* dev)
+static void on_udp_connect (mio_dev_sck_t* dev)
 {
 }
 
-static void dnc_on_disconnect (mio_dev_sck_t* dev)
+static void on_udp_disconnect (mio_dev_sck_t* dev)
 {
 }
 
@@ -399,14 +405,14 @@ mio_svc_dnc_t* mio_svc_dnc_start (mio_t* mio, const mio_skad_t* serv_addr, const
 			mio_seterrnum (mio, MIO_EINVAL);
 			goto oops;
 	}
-	mkinfo.on_write = dnc_on_write;
-	mkinfo.on_read = dnc_on_read;
-	mkinfo.on_connect = dnc_on_connect;
-	mkinfo.on_disconnect = dnc_on_disconnect;
-	dnc->sck = mio_dev_sck_make(mio, MIO_SIZEOF(*xtn), &mkinfo);
-	if (!dnc->sck) goto oops;
+	mkinfo.on_write = on_udp_write;
+	mkinfo.on_read = on_udp_read;
+	mkinfo.on_connect = on_udp_connect;
+	mkinfo.on_disconnect = on_udp_disconnect;
+	dnc->udp_sck = mio_dev_sck_make(mio, MIO_SIZEOF(*xtn), &mkinfo);
+	if (!dnc->udp_sck) goto oops;
 
-	xtn = (dnc_sck_xtn_t*)mio_dev_sck_getxtn(dnc->sck);
+	xtn = (dnc_sck_xtn_t*)mio_dev_sck_getxtn(dnc->udp_sck);
 	xtn->dnc = dnc;
 
 	if (bind_addr) /* TODO: get mio_dev_sck_bind_t? instead of bind_addr? */
@@ -414,7 +420,7 @@ mio_svc_dnc_t* mio_svc_dnc_start (mio_t* mio, const mio_skad_t* serv_addr, const
 		mio_dev_sck_bind_t bi;
 		MIO_MEMSET (&bi, 0, MIO_SIZEOF(bi));
 		bi.localaddr = *bind_addr;
-		if (mio_dev_sck_bind(dnc->sck, &bi) <= -1) goto oops;
+		if (mio_dev_sck_bind(dnc->udp_sck, &bi) <= -1) goto oops;
 	}
 
 	MIO_SVC_REGISTER (mio, (mio_svc_t*)dnc);
@@ -423,7 +429,7 @@ mio_svc_dnc_t* mio_svc_dnc_start (mio_t* mio, const mio_skad_t* serv_addr, const
 oops:
 	if (dnc)
 	{
-		if (dnc->sck) mio_dev_sck_kill (dnc->sck);
+		if (dnc->udp_sck) mio_dev_sck_kill (dnc->udp_sck);
 		mio_freemem (mio, dnc);
 	}
 	return MIO_NULL;
@@ -432,7 +438,7 @@ oops:
 void mio_svc_dnc_stop (mio_svc_dnc_t* dnc)
 {
 	mio_t* mio = dnc->mio;
-	if (dnc->sck) mio_dev_sck_kill (dnc->sck);
+	if (dnc->udp_sck) mio_dev_sck_kill (dnc->udp_sck);
 	MIO_SVC_UNREGISTER (mio, dnc);
 	while (dnc->pending_req) release_dns_msg (dnc, dnc->pending_req);
 	mio_freemem (mio, dnc);
@@ -459,7 +465,7 @@ mio_dns_msg_t* mio_svc_dnc_sendmsg (mio_svc_dnc_t* dnc, mio_dns_bhdr_t* bdns, mi
 
 /* TODO: optionally, override dnc->serv_addr and use the target address passed as a parameter */
 	tmout = MIO_IS_POS_NTIME(&msgxtn->wtmout)? &msgxtn->wtmout: MIO_NULL;
-	if (mio_dev_sck_timedwrite(dnc->sck, mio_dns_msg_to_pkt(msg), msg->pktlen, tmout, msg, &msgxtn->servaddr) <= -1)
+	if (mio_dev_sck_timedwrite(dnc->udp_sck, mio_dns_msg_to_pkt(msg), msg->pktlen, tmout, msg, &msgxtn->servaddr) <= -1)
 	{
 		release_dns_msg (dnc, msg);
 		return MIO_NULL;
@@ -504,17 +510,6 @@ static void on_dnc_resolve (mio_svc_dnc_t* dnc, mio_dns_msg_t* reqmsg, mio_errnu
 	mio_dns_pkt_info_t* pi = MIO_NULL;
 	dnc_dns_msg_resolve_xtn_t* reqmsgxtn = dnc_dns_msg_resolve_getxtn(reqmsg);
 
-	if (data)
-	{
-		MIO_ASSERT (mio, dlen >= MIO_SIZEOF(*pkt)); /* this is guaranteed by the dnc_on_read() */
-
-		pkt = (mio_dns_pkt_t*)data;
-		if (pkt->tc && (reqmsgxtn->flags & MIO_SVC_DNC_RESOLVE_FLAG_TCP_IF_TC)) /* truncated */
-		{
-			/* TODO: */
-		}
-	}
-
 	if (!(reqmsgxtn->flags & MIO_SVC_DNC_RESOLVE_FLAG_BRIEF))
 	{
 		/* the full reply packet is requested. no transformation is required */
diff --git a/mio/lib/err.c b/mio/lib/err.c
index 773dfbe..81f0534 100644
--- a/mio/lib/err.c
+++ b/mio/lib/err.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/fmt-imp.h b/mio/lib/fmt-imp.h
index 3a94dc1..0d146fc 100644
--- a/mio/lib/fmt-imp.h
+++ b/mio/lib/fmt-imp.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/fmt.c b/mio/lib/fmt.c
index 7211ff1..b2c7717 100644
--- a/mio/lib/fmt.c
+++ b/mio/lib/fmt.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2018 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-cmn.h b/mio/lib/mio-cmn.h
index debe95b..ebbdd41 100644
--- a/mio/lib/mio-cmn.h
+++ b/mio/lib/mio-cmn.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-dns.h b/mio/lib/mio-dns.h
index 68560be..f7e8348 100644
--- a/mio/lib/mio-dns.h
+++ b/mio/lib/mio-dns.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
@@ -392,8 +392,7 @@ typedef void (*mio_svc_dnc_on_resolve_t) (
 
 enum mio_svc_dnc_resolve_flag_t
 {
-	MIO_SVC_DNC_RESOLVE_FLAG_BRIEF     = (1 << 0),
-	MIO_SVC_DNC_RESOLVE_FLAG_TCP_IF_TC = (1 << 1)
+	MIO_SVC_DNC_RESOLVE_FLAG_BRIEF     = (1 << 0)
 };
 typedef enum mio_svc_dnc_resolve_flag_t  mio_svc_dnc_resolve_flag_t;
 
diff --git a/mio/lib/mio-fmt.h b/mio/lib/mio-fmt.h
index 8c8c7e7..a664564 100644
--- a/mio/lib/mio-fmt.h
+++ b/mio/lib/mio-fmt.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-nwif.h b/mio/lib/mio-nwif.h
index b53a75f..94d03d9 100644
--- a/mio/lib/mio-nwif.h
+++ b/mio/lib/mio-nwif.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-pac1.h b/mio/lib/mio-pac1.h
index 1fbaedc..95a00cc 100644
--- a/mio/lib/mio-pac1.h
+++ b/mio/lib/mio-pac1.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-pro.h b/mio/lib/mio-pro.h
index 091c0f2..3b76451 100644
--- a/mio/lib/mio-pro.h
+++ b/mio/lib/mio-pro.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-prv.h b/mio/lib/mio-prv.h
index fb839bf..ffbc572 100644
--- a/mio/lib/mio-prv.h
+++ b/mio/lib/mio-prv.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-sck.h b/mio/lib/mio-sck.h
index 5c215cd..c78e7bf 100644
--- a/mio/lib/mio-sck.h
+++ b/mio/lib/mio-sck.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-skad.h b/mio/lib/mio-skad.h
index da1729f..dd2652f 100644
--- a/mio/lib/mio-skad.h
+++ b/mio/lib/mio-skad.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-sys.h b/mio/lib/mio-sys.h
index 469b3c1..7d1dde6 100644
--- a/mio/lib/mio-sys.h
+++ b/mio/lib/mio-sys.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-upac.h b/mio/lib/mio-upac.h
index 4110955..c65db74 100644
--- a/mio/lib/mio-upac.h
+++ b/mio/lib/mio-upac.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio-utl.h b/mio/lib/mio-utl.h
index 0458bd5..a17e722 100644
--- a/mio/lib/mio-utl.h
+++ b/mio/lib/mio-utl.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2018 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio.c b/mio/lib/mio.c
index 1ef268c..199b2ce 100644
--- a/mio/lib/mio.c
+++ b/mio/lib/mio.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/mio.h b/mio/lib/mio.h
index 11560ff..a8e66d6 100644
--- a/mio/lib/mio.h
+++ b/mio/lib/mio.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/nwif.c b/mio/lib/nwif.c
index a7b520d..e882d26 100644
--- a/mio/lib/nwif.c
+++ b/mio/lib/nwif.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/pro.c b/mio/lib/pro.c
index 63ce5a5..94703de 100644
--- a/mio/lib/pro.c
+++ b/mio/lib/pro.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sck.c b/mio/lib/sck.c
index 6186564..ba146b0 100644
--- a/mio/lib/sck.c
+++ b/mio/lib/sck.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/skad.c b/mio/lib/skad.c
index 50a5414..b96c8cc 100644
--- a/mio/lib/skad.c
+++ b/mio/lib/skad.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys-ass.c b/mio/lib/sys-ass.c
index f66f22b..531a0b2 100644
--- a/mio/lib/sys-ass.c
+++ b/mio/lib/sys-ass.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys-err.c b/mio/lib/sys-err.c
index 276c279..48bffc9 100644
--- a/mio/lib/sys-err.c
+++ b/mio/lib/sys-err.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys-log.c b/mio/lib/sys-log.c
index 4870aee..1c5e642 100644
--- a/mio/lib/sys-log.c
+++ b/mio/lib/sys-log.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys-mux.c b/mio/lib/sys-mux.c
index 70b3ea0..89e7056 100644
--- a/mio/lib/sys-mux.c
+++ b/mio/lib/sys-mux.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys-tim.c b/mio/lib/sys-tim.c
index 3b1c017..b43d7e6 100644
--- a/mio/lib/sys-tim.c
+++ b/mio/lib/sys-tim.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/sys.c b/mio/lib/sys.c
index d33445e..aa0f896 100644
--- a/mio/lib/sys.c
+++ b/mio/lib/sys.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/tmr.c b/mio/lib/tmr.c
index f3b148e..9db7c73 100644
--- a/mio/lib/tmr.c
+++ b/mio/lib/tmr.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/utf8.c b/mio/lib/utf8.c
index 3d4d8ff..a654f39 100644
--- a/mio/lib/utf8.c
+++ b/mio/lib/utf8.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/mio/lib/utl.c b/mio/lib/utl.c
index 903ed19..8a252eb 100644
--- a/mio/lib/utl.c
+++ b/mio/lib/utl.c
@@ -1,7 +1,7 @@
 /*m
  * $Id$
  *
-    Copyright (c) 2015-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2016-2020 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions