X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FMsgIter.pm;h=6c18d2bf3102c56e070d8a1ff8dbce44b47e847d;hb=95bdac7f09c69036efed537a4d03d5bdd2ae4eb6;hp=6453d9f1043630d267d19c8c1445ef8a288f3abe;hpb=55b11c59936125aab26694e17631828c7ea9954e;p=public-inbox.git
diff --git a/lib/PublicInbox/MsgIter.pm b/lib/PublicInbox/MsgIter.pm
index 6453d9f1..6c18d2bf 100644
--- a/lib/PublicInbox/MsgIter.pm
+++ b/lib/PublicInbox/MsgIter.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2016-2019 all contributors
+# Copyright (C) 2016-2020 all contributors
# License: AGPL-3.0+
# read-only utilities for Email::MIME
@@ -12,10 +12,11 @@ use PublicInbox::MIME;
# Like Email::MIME::walk_parts, but this is:
# * non-recursive
# * passes depth and indices to the iterator callback
-sub msg_iter ($$) {
- my ($mime, $cb) = @_;
+sub msg_iter ($$;$$) {
+ my ($mime, $cb, $cb_arg, $do_undef) = @_;
my @parts = $mime->subparts;
if (@parts) {
+ $mime = $_[0] = undef if $do_undef; # saves some memory
my $i = 0;
@parts = map { [ $_, 1, ++$i ] } @parts;
while (my $p = shift @parts) {
@@ -27,11 +28,11 @@ sub msg_iter ($$) {
@sub = map { [ $_, $depth, @idx, ++$i ] } @sub;
@parts = (@sub, @parts);
} else {
- $cb->($p);
+ $cb->($p, $cb_arg);
}
}
} else {
- $cb->([$mime, 0, 0]);
+ $cb->([$mime, 0, 0], $cb_arg);
}
}