pcre2/pcre2-10.31-Fix-bug-in-VERSION-number-reading.patch

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2018-07-09 09:15:49 +00:00
From c75868f77eb2ce2ff277355afcd966e3179e65a8 Mon Sep 17 00:00:00 2001
From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
Date: Mon, 2 Jul 2018 12:26:04 +0000
Subject: [PATCH] Fix bug in VERSION number reading.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@957 6239d852-aaf2-0410-a92c-79f79f948069
Petr Písař: Ported to 10.31.
---
src/pcre2_compile.c | 5 ++---
testdata/testinput2 | 3 +++
testdata/testoutput2 | 6 +++++-
4 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/src/pcre2_compile.c b/src/pcre2_compile.c
index 5a47f1d..1208012 100644
--- a/src/pcre2_compile.c
+++ b/src/pcre2_compile.c
@@ -3896,9 +3896,8 @@ while (ptr < ptrend)
if (*ptr == CHAR_DOT)
{
if (++ptr >= ptrend || !IS_DIGIT(*ptr)) goto BAD_VERSION_CONDITION;
- if (!read_number(&ptr, ptrend, -1, 99 , ERR79, &minor, &errorcode))
- goto FAILED;
- if (minor < 10) minor *= 10;
+ minor = (*ptr++ - CHAR_0) * 10;
+ if (IS_DIGIT(*ptr)) minor += *ptr++ - CHAR_0;
if (ptr >= ptrend || *ptr != CHAR_RIGHT_PARENTHESIS)
goto BAD_VERSION_CONDITION;
}
diff --git a/testdata/testinput2 b/testdata/testinput2
index cc4b59b..9b207ef 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4007,6 +4007,9 @@
/(?(VERSION>=10.0)yes|no)/I
yesno
+/(?(VERSION>=10.04)yes|no)/
+ yesno
+
/(?(VERSION=8)yes){3}/BI,aftertext
yesno
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index aab0c94..124a8b6 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -13483,6 +13483,10 @@ Subject length lower bound = 2
yesno
0: yes
+/(?(VERSION>=10.04)yes|no)/
+ yesno
+ 0: yes
+
/(?(VERSION=8)yes){3}/BI,aftertext
------------------------------------------------------------------
Bra
@@ -13537,7 +13541,7 @@ Failed: error 179 at offset 11: syntax error or number too big in (?(VERSION con
Failed: error 179 at offset 16: syntax error or number too big in (?(VERSION condition
/(?(VERSION=10.101)yes|no)/
-Failed: error 179 at offset 17: syntax error or number too big in (?(VERSION condition
+Failed: error 179 at offset 16: syntax error or number too big in (?(VERSION condition
/abcd/I
Capturing subpattern count = 0
--
2.14.4