From aa7beea38eb0c7d0150a45c2a49563a9f5724b95 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 4 Sep 2013 23:11:22 +0100
Subject: [PATCH] break out gen_local_part_alphanum

---
 service | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/service b/service
index f9992a3..3e1197d 100755
--- a/service
+++ b/service
@@ -41,6 +41,7 @@ our $dom;
 our $user;
 our $priv;
 our $showcomment;
+our $genmethod = 'alphanum';
 
 sub nextarg () {
     die "too few arguments\n" unless @ARGV;
@@ -160,16 +161,21 @@ sub local_part_inuse ($) {
     return !!$row;
 }
 
+sub gen_local_part_alphanum {
+    my $s = chr(ord('a')+goodrand(26));
+    while (length $s < $randlength) {
+	my $v = goodrand(36);
+	$s .= chr($v < 26
+		  ? ord('a')+($v)
+		  : ord('0')+($v-26));
+    }
+    return $s;
+}
+
 sub generate_local_part () {
     my $s;
     for (;;) {
-	$s = chr(ord('a')+goodrand(26));
-	while (length $s < $randlength) {
-	    my $v = goodrand(36);
-	    $s .= chr($v < 26
-		      ? ord('a')+($v)
-		      : ord('0')+($v-26));
-	}
+	{ no strict qw(refs); $s = &{"gen_local_part_$genmethod"}; }
 #	print STDERR "$s\n";
 	last if !local_part_inuse($s);
     }
-- 
2.30.2