From 965657d1b224a1c30363c909959ca6b8323a5b68 Mon Sep 17 00:00:00 2001
From: brent saner <brent.saner@gmail.com>
Date: Fri, 5 Sep 2025 18:55:01 -0400
Subject: [PATCH] v1.10.1

FIXED:
* Missed a Reset on the inetcksum.InetChecksumSimple.
---
 netx/inetcksum/docs.go                     | 12 +++++++++---
 netx/inetcksum/funcs_inetchecksumsimple.go | 19 +++++++++++++++++++
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/netx/inetcksum/docs.go b/netx/inetcksum/docs.go
index fdeb497..7b8a738 100644
--- a/netx/inetcksum/docs.go
+++ b/netx/inetcksum/docs.go
@@ -13,11 +13,17 @@ It provides [InetChecksum], which can be used as a:
 	* [io.Writer]
 	* [io.WriterTo]
 
-and is concurrency-safe.
+and allows one to retrieve the actual bytes that were checksummed.
+It is also fully concurrency-safe.
 
 There is also an [InetChecksumSimple] provided, which is more
-tailored for performance/resource usage at the cost of concurrency
-safety and data retention.
+tailored for performance/resource usage at the cost of no concurrency
+safety and no data retention, which can be used as a:
+
+	* [hash.Hash]
+	* [io.ByteWriter]
+	* [io.StringWriter]
+	* [io.Writer]
 
 [RFC 1071]: https://datatracker.ietf.org/doc/html/rfc1071
 [RFC 1141]: https://datatracker.ietf.org/doc/html/rfc1141
diff --git a/netx/inetcksum/funcs_inetchecksumsimple.go b/netx/inetcksum/funcs_inetchecksumsimple.go
index 89624ef..1fdf712 100644
--- a/netx/inetcksum/funcs_inetchecksumsimple.go
+++ b/netx/inetcksum/funcs_inetchecksumsimple.go
@@ -22,6 +22,15 @@ func (i *InetChecksumSimple) BlockSize() (blockSize int) {
 	return
 }
 
+// Reset resets the state of an InetChecksumSimple.
+func (i *InetChecksumSimple) Reset() {
+
+	i.last = 0x00
+	i.sum = 0
+	i.last = 0x00
+
+}
+
 // Size returns how many bytes a checksum is. (It will always return 2.)
 func (i *InetChecksumSimple) Size() (bufSize int) {
 
@@ -151,3 +160,13 @@ func (i *InetChecksumSimple) WriteByte(c byte) (err error) {
 
 	return
 }
+
+// WriteString checksums a string. It conforms to [io.StringWriter].
+func (i *InetChecksumSimple) WriteString(s string) (n int, err error) {
+
+	if n, err = i.Write([]byte(s)); err != nil {
+		return
+	}
+
+	return
+}