* [PATCH] substr
@ 2024-04-19 8:47 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2024-04-19 8:47 UTC (permalink / raw)
To: spew
---
lib/PublicInbox/HTTP.pm | 6 +++---
lib/PublicInbox/IMAP.pm | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/PublicInbox/HTTP.pm b/lib/PublicInbox/HTTP.pm
index 7162732e..d3d142dd 100644
--- a/lib/PublicInbox/HTTP.pm
+++ b/lib/PublicInbox/HTTP.pm
@@ -98,7 +98,7 @@ sub event_step { # called by PublicInbox::DS
$self->do_read($rbuf, 8192, length($$rbuf)) or return;
}
return quit($self, 400) if grep(/\s/, keys %env); # stop smugglers
- $$rbuf = substr($$rbuf, $r);
+ substr($$rbuf, 0, $r, '');
my $len = input_prepare($self, \%env) //
return write_err($self, undef); # EMFILE/ENFILE
@@ -122,7 +122,7 @@ sub read_input ($;$) {
$len -= $w;
die "BUG: $len < 0 (w=$w)" if $len < 0;
if ($len == 0) { # next request may be pipelined
- $$rbuf = substr($$rbuf, $w);
+ substr($$rbuf, 0, $w, '');
last;
}
$$rbuf = '';
@@ -404,7 +404,7 @@ sub read_input_chunked { # unlikely...
if ($len == 0) {
# we may have leftover data to parse
# in chunk
- $$rbuf = substr($$rbuf, $w);
+ substr($$rbuf, 0, $w, '');
$len = CHUNK_END;
} elsif ($len < 0) {
die "BUG: len < 0: $len";
diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index b12533cb..ff62767e 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -964,7 +964,7 @@ sub partial_emit ($$$) {
$k =~ s/\.$len>\z/>/ or warn
"BUG: unable to remove `.$len>' from `$k'";
} else {
- $str = substr($str, $offset);
+ substr($str, 0, $offset, '');
$len = length($str);
}
} else {
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2024-04-19 8:47 [PATCH] substr Eric Wong
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