From b6505664ee76dd3b49cca3d1f55e4e5e602ffbde Mon Sep 17 00:00:00 2001
From: Eric Wong <e@yhbt.net>
Date: Sun, 17 Jan 2021 07:09:56 +0000
Subject: initialize scalar for `vec' perlop modification

Older Perls (tested 5.16.3) would warn on uninitialized scalars while
newer (tested 5.28.1) do not.  Just initialize it to an empty string
since it'll be filled in by `vec'.
---
 lib/PublicInbox/Syscall.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/PublicInbox/Syscall.pm')

diff --git a/lib/PublicInbox/Syscall.pm b/lib/PublicInbox/Syscall.pm
index a1f53235..5ff1d65f 100644
--- a/lib/PublicInbox/Syscall.pm
+++ b/lib/PublicInbox/Syscall.pm
@@ -224,7 +224,7 @@ sub epoll_ctl_mod8 {
 # epoll_wait wrapper
 # ARGS: (epfd, maxevents, timeout (milliseconds), arrayref)
 #  arrayref: values modified to be [$fd, $event]
-our $epoll_wait_events;
+our $epoll_wait_events = '';
 our $epoll_wait_size = 0;
 sub epoll_wait_mod4 {
 	my ($epfd, $maxevents, $timeout_msec, $events) = @_;
-- 
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