#72 Initialize the permessage, keystrings, and readslices using make()

Author: azumakuniyuki

lhost/via-courier.go

@@ -50,14 +50,14 @@ func init() {
 			"networkerror": []string{"DNS lookup failed."},
 		}
 
-		permessage := map[string]string{} // Store values of each Per-Message field
-		keystrings := []string{}          // Key list of permessage
+		permessage := make(map[string]string, 4) // Store values of each Per-Message field
+		keystrings := make([]string, 0, 4)       // Key list of permessage
 		dscontents := []sis.DeliveryMatter{{}}
 		emailparts := rfc5322.Part(&bf.Payload, boundaries, false)
-		readcursor := uint8(0)            // Points the current cursor position
-		readslices := []string{""}        // Copy each line for later reference
-		recipients := uint8(0)            // The number of 'Final-Recipient' header
-		thecommand := ""                  // An SMTP command name begins with the string ">>>"
+		readcursor := uint8(0)              // Points the current cursor position
+		readslices := make([]string, 1, 64) // Copy each line for later reference
+		recipients := uint8(0)              // The number of 'Final-Recipient' header
+		thecommand := ""                    // An SMTP command name begins with the string ">>>"
 		v          := &(dscontents[len(dscontents) - 1])
 
 		for j, e := range(strings.Split(emailparts[0], "\n")) {