59 lines
1.7 KiB
Diff
59 lines
1.7 KiB
Diff
From 81169c06a76f62ff987ed990ac910c2ae08b3f91 Mon Sep 17 00:00:00 2001
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From: Karl Williamson <khw@cpan.org>
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Date: Tue, 10 Mar 2020 15:19:57 -0600
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Subject: [PATCH] reentr.c: Buffer sizes for asctime_r,ctime_r are small
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The needed sizes of these are stated in the man pages, and are much
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smaller than were being allocated.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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reentr.c | 4 ++--
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regen/reentr.pl | 5 ++++-
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2 files changed, 6 insertions(+), 3 deletions(-)
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diff --git a/reentr.c b/reentr.c
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index 8ddda7bfc0..8438c8f90f 100644
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--- a/reentr.c
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+++ b/reentr.c
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@@ -52,14 +52,14 @@ Perl_reentrant_size(pTHX) {
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# define REENTRANTUSUALSIZE 4096 /* Make something up. */
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# ifdef HAS_ASCTIME_R
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- PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
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+ PL_reentrant_buffer->_asctime_size = 26;
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# endif /* HAS_ASCTIME_R */
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# ifdef HAS_CRYPT_R
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# endif /* HAS_CRYPT_R */
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# ifdef HAS_CTIME_R
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- PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
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+ PL_reentrant_buffer->_ctime_size = 26;
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# endif /* HAS_CTIME_R */
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# ifdef HAS_GETGRNAM_R
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diff --git a/regen/reentr.pl b/regen/reentr.pl
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index f5788c7ad9..94721e9dec 100644
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--- a/regen/reentr.pl
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+++ b/regen/reentr.pl
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@@ -495,8 +495,11 @@ for my $func (@seenf) {
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char* _${func}_buffer;
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size_t _${func}_size;
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EOF
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+ my $size = ($func =~ /^(asctime|ctime)$/)
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+ ? 26
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+ : "REENTRANTSMALLSIZE";
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push @size, <<EOF;
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- PL_reentrant_buffer->_${func}_size = REENTRANTSMALLSIZE;
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+ PL_reentrant_buffer->_${func}_size = $size;
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EOF
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pushinitfree $func;
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pushssif $endif;
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--
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2.25.4
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