* [PATCH] msg_iter: support read-only elements
@ 2016-06-17 0:21 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2016-06-17 0:21 UTC (permalink / raw)
To: meta
Apparently, it's possible to have read-only bodies in
Email::MIME objects. Haven't gotten a chance to reliably
reproduce it, though...
---
lib/PublicInbox/MsgIter.pm | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/PublicInbox/MsgIter.pm b/lib/PublicInbox/MsgIter.pm
index e0127ab..ef0d209 100644
--- a/lib/PublicInbox/MsgIter.pm
+++ b/lib/PublicInbox/MsgIter.pm
@@ -7,6 +7,7 @@ use warnings;
use base qw(Exporter);
our @EXPORT = qw(msg_iter);
use Email::MIME;
+use Scalar::Util qw(readonly);
# Workaround Email::MIME versions without
# commit dcef9be66c49ae89c7a5027a789bbbac544499ce
@@ -36,7 +37,14 @@ sub msg_iter ($$) {
@parts = (@sub, @parts);
} else {
if ($extra_nl) {
- ${$part->{body}} .= $part->{mycrlf};
+ my $lf = $part->{mycrlf};
+ my $bref = $part->{body};
+ if (readonly($$bref)) {
+ my $s = $$bref . $lf;
+ $part->{body} = \$s;
+ } else {
+ $$bref .= $lf;
+ }
}
$cb->($p);
}
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