From c2b6e7ff346e3373a4e33c946594bb6f08393ad3 Mon Sep 17 00:00:00 2001
From: René 'Necoro' Neumann <necoro@necoro.eu>
Date: Tue, 16 Feb 2021 00:16:35 +0100
Subject: Issue #46: Move and rename writer; add comments

---
 pkg/util/fixWriter.go | 63 ---------------------------------------------------
 1 file changed, 63 deletions(-)
 delete mode 100644 pkg/util/fixWriter.go

(limited to 'pkg/util/fixWriter.go')

diff --git a/pkg/util/fixWriter.go b/pkg/util/fixWriter.go
deleted file mode 100644
index d78b618..0000000
--- a/pkg/util/fixWriter.go
+++ /dev/null
@@ -1,63 +0,0 @@
-package util
-
-import "io"
-
-type fixWriter struct {
-	w io.Writer
-}
-
-var lf = []byte{'\n'}
-var cr = []byte{'\r'}
-
-func (f fixWriter) Write(p []byte) (n int, err error) {
-	crFound := false
-	start := 0
-
-	write := func(str []byte) {
-		var j int
-		j, err = f.w.Write(str)
-		n = n + j
-	}
-
-	for idx, b := range p {
-		if crFound && b != '\n' {
-			// insert '\n'
-			if write(p[start:idx]); err != nil {
-				return
-			}
-			if write(lf); err != nil {
-				return
-			}
-
-			start = idx
-		} else if !crFound && b == '\n' {
-			// insert '\r'
-			if write(p[start:idx]); err != nil {
-				return
-			}
-			if write(cr); err != nil {
-				return
-			}
-
-			start = idx
-		}
-		crFound = b == '\r'
-	}
-
-	// write the remainder
-	if write(p[start:]); err != nil {
-		return
-	}
-
-	if crFound { // dangling \r
-		write(lf)
-	}
-
-	return
-}
-
-// Cyrus IMAP really cares about single \r and \n.
-// Implement this fixer to change them into \r\n.
-func FixWriter(w io.Writer) io.Writer {
-	return fixWriter{w}
-}
-- 
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