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ac91ab371a
The included patch from Debian resolves an out-of-memory error occurring when running the test suite.
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From a46f0e41056b48a56c572fe8884d4b5104a8343e Mon Sep 17 00:00:00 2001
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From: Niko Tyni <ntyni@debian.org>
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Date: Sun, 29 Jun 2014 21:51:15 +0300
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Subject: [PATCH] multi_linestring2perl: only extend the array if needed
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When the size is 0, we end up extending the stack with
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a negative value. As of Perl 5.19.4, more precisely
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http://perl5.git.perl.org/perl.git/commit/fc16c3924bd6aa054f21ad5445fecf9b7f39dc36
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this ends up allocating memory for 4G-1 elements.
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See Dave Mitchell's comments on perl5-porters:
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Message-ID: <20140522115758.GX15438@iabyn.com>
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http://marc.info/?l=perl5-porters&m=140075990913228&w=2
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---
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src/mline2av.h | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/mline2av.h b/src/mline2av.h
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index e4b3fc2..d7bacee 100644
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--- a/src/mline2av.h
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+++ b/src/mline2av.h
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@@ -9,7 +9,8 @@ multi_linestring2perl(pTHX_ const multi_linestring& mls)
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{
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AV* av = newAV();
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const unsigned int size = mls.size();
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- av_extend(av, size-1);
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+ if (size > 0)
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+ av_extend(av, size-1);
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for (int i = 0; i < size; i++) {
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AV* lineav = newAV();
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--
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2.0.0
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