From e9ebeb0abdf78f6e7729fdbfc68842b3a86ee0a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Geisendo=CC=88rfer?= <felix@debuggable.com>
Date: Sun, 11 Jan 2015 16:24:25 +0100
Subject: [PATCH] fix: do not attempt to decode utf8

native xxd doesn't try to either
---
 xxd.go | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/xxd.go b/xxd.go
index 31fc3d9..6d8e730 100644
--- a/xxd.go
+++ b/xxd.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"unicode/utf8"
 )
 
 func main() {
@@ -66,15 +65,12 @@ func XXD(r io.Reader, w io.Writer) error {
 
 		// Character values
 		b := buf[:n]
-		for len(b) > 0 {
-			r, size := utf8.DecodeRune(b)
-
-			if int(r) > 0x1f && int(r) < 0x7f {
-				fmt.Fprintf(w, "%v", string(r))
+		for _, c := range b {
+			if c > 0x1f && c < 0x7f {
+				fmt.Fprintf(w, "%v", string(c))
 			} else {
 				fmt.Fprintf(w, ".")
 			}
-			b = b[size:]
 		}
 
 		fmt.Fprintf(w, "\n")