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57 lines
1.9 KiB
57 lines
1.9 KiB
5 years ago
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From f34cc5af94622240abbf730ac82c4f91cc4ffb83 Mon Sep 17 00:00:00 2001
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From: Hugo van der Sanden <hv@crypt.org>
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Date: Tue, 4 Oct 2016 14:40:11 +0100
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Subject: [PATCH] anchored/floating substrings must be utf8 if target is
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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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Ported to 5.24.4:
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commit 2814f4b3549f665a6f9203ac9e890ae1e415e0dc
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Author: Hugo van der Sanden <hv@crypt.org>
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Date: Tue Oct 4 14:40:11 2016 +0100
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[perl #129350] anchored/floating substrings must be utf8 if target is
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If the target is utf8 and either the anchored or floating substrings
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are not, we need to create utf8 copies to check against. The state
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of the two substrings may not be the same, but we were only testing
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whichever we planned to check first.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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regexec.c | 3 ++-
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t/re/re_tests | 1 +
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2 files changed, 3 insertions(+), 1 deletion(-)
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diff --git a/regexec.c b/regexec.c
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index ff8e89c..6904546 100644
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--- a/regexec.c
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+++ b/regexec.c
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@@ -703,7 +703,8 @@ Perl_re_intuit_start(pTHX_
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reginfo->poscache_maxiter = 0;
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if (utf8_target) {
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- if (!prog->check_utf8 && prog->check_substr)
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+ if ((!prog->anchored_utf8 && prog->anchored_substr)
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+ || (!prog->float_utf8 && prog->float_substr))
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to_utf8_substr(prog);
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check = prog->check_utf8;
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} else {
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diff --git a/t/re/re_tests b/t/re/re_tests
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index ab7ddbb..8b0feaa 100644
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--- a/t/re/re_tests
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+++ b/t/re/re_tests
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@@ -1969,6 +1969,7 @@ ab(?#Comment){2}c abbc y $& abbc
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aa$|a(?R)a|a aaa y $& aaa # [perl 128420] recursive matches
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(?:\1|a)([bcd])\1(?:(?R)|e)\1 abbaccaddedcb y $& abbaccaddedcb # [perl 128420] recursive match with backreferences
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(?il)\x{100}|\x{100}|\x{FF} \xFF y $& \xFF
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+\b\z0*\x{100} .\x{100} n - - # [perl #129350] crashed in intuit_start
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# Keep these lines at the end of the file
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# vim: softtabstop=0 noexpandtab
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--
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2.14.3
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