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#42: Reverting return values in b64linebreaker.go since return values were defined in signature

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This commit is contained in:
Winni Neessen 2022-09-08 15:40:42 +02:00
parent a4d927b518
commit 3eb4bc9c52
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 5 additions and 8 deletions
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13
b64linebreaker.go
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@ -5,12 +5,9 @@
package mail
import (
"fmt"
"io"
)
const ErrNoOutWriter = "no io.Writer set for Base64LineBreaker"
// Base64LineBreaker is a io.WriteCloser that writes Base64 encoded data streams
// with line breaks at a given line length
type Base64LineBreaker struct {
@ -25,7 +22,7 @@ var nl = []byte(SingleNewLine)
// line length is reached
func (l *Base64LineBreaker) Write(b []byte) (n int, err error) {
if l.out == nil {
return 0, fmt.Errorf(ErrNoOutWriter)
return
}
if l.used+len(b) < MaxBodyLength {
copy(l.line[l.used:], b)
@ -35,19 +32,19 @@ func (l *Base64LineBreaker) Write(b []byte) (n int, err error) {
n, err = l.out.Write(l.line[0:l.used])
if err != nil {
return 0, err
return
}
excess := MaxBodyLength - l.used
l.used = 0
n, err = l.out.Write(b[0:excess])
if err != nil {
return 0, err
return
}
n, err = l.out.Write(nl)
if err != nil {
return 0, err
return
}
return l.Write(b[excess:])
@ -59,7 +56,7 @@ func (l *Base64LineBreaker) Close() (err error) {
if l.used > 0 {
_, err = l.out.Write(l.line[0:l.used])
if err != nil {
return err
return
}
_, err = l.out.Write(nl)
}