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Fix create header maps in case SetHeader or SetAddrHeader is called on an empty Msg type

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This commit is contained in:
Winni Neessen 2022-10-20 18:06:26 +02:00
parent 5faa6dfbd6
commit 183fb347d6
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 6 additions and 0 deletions
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6
msg.go
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@ -181,6 +181,9 @@ func (m *Msg) Charset() string {
// SetHeader sets a generic header field of the Msg // SetHeader sets a generic header field of the Msg
func (m *Msg) SetHeader(h Header, v ...string) { func (m *Msg) SetHeader(h Header, v ...string) {
if m.genHeader == nil {
m.genHeader = make(map[Header][]string)
}
for i, hv := range v { for i, hv := range v {
v[i] = m.encodeString(hv) v[i] = m.encodeString(hv)
} }
@ -189,6 +192,9 @@ func (m *Msg) SetHeader(h Header, v ...string) {
// SetAddrHeader sets an address related header field of the Msg // SetAddrHeader sets an address related header field of the Msg
func (m *Msg) SetAddrHeader(h AddrHeader, v ...string) error { func (m *Msg) SetAddrHeader(h AddrHeader, v ...string) error {
if m.addrHeader == nil {
m.addrHeader = make(map[AddrHeader][]*mail.Address)
}
var al []*mail.Address var al []*mail.Address
for _, av := range v { for _, av := range v {
a, err := mail.ParseAddress(av) a, err := mail.ParseAddress(av)