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Revert "address: Rewrite Split function"

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This reverts commit 2fbe066ae5.
This commit is contained in:
fox.cpp 2019-10-10 18:36:19 +03:00
parent 08e6219013
commit a936dd1fa2
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1 changed files with 13 additions and 9 deletions
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22
address/split.go
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@ -6,15 +6,19 @@ import (
)
func Split(addr string) (mailbox, domain string, err error) {
for i, ch := range addr {
if ch == '@' {
return addr[:i], addr[i+1:], nil
parts := strings.Split(addr, "@")
switch len(parts) {
case 1:
if strings.EqualFold(parts[0], "postmaster") {
return parts[0], "", nil
}
return "", "", fmt.Errorf("malformed address")
case 2:
if len(parts[0]) == 0 || len(parts[1]) == 0 {
return "", "", fmt.Errorf("malformed address")
}
return parts[0], parts[1], nil
default:
return "", "", fmt.Errorf("malformed address")
}
if strings.EqualFold(addr, "postmaster") {
return addr, "", nil
}
return "", "", fmt.Errorf("malformed address")
}