123 lines
4.0 KiB
Diff
123 lines
4.0 KiB
Diff
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From 85f8f579ac7aa268290ed7bd3aca90d927a9b7e9 Mon Sep 17 00:00:00 2001
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From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Tue, 21 Mar 2017 17:46:21 +0000
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Subject: [PATCH 1/2] Fix 32-bit error buffer size bug in pcre2test (Bugzilla
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2079).
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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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git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@696 6239d852-aaf2-0410-a92c-79f79f948069
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Petr Písař: Ported to 10.23.
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---
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doc/pcre2api.3 | 10 +++++-----
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src/pcre2_error.c | 2 +-
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src/pcre2test.c | 7 ++++---
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testdata/testinput2 | 2 ++
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testdata/testoutput2 | 3 +++
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diff --git a/doc/pcre2api.3 b/doc/pcre2api.3
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index e0a434a..0a3d2ee 100644
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--- a/doc/pcre2api.3
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+++ b/doc/pcre2api.3
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@@ -1,4 +1,4 @@
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-.TH PCRE2API 3 "24 December 2016" "PCRE2 10.23"
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+.TH PCRE2API 3 "21 March 2017" "PCRE2 10.30"
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.SH NAME
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PCRE2 - Perl-compatible regular expressions (revised API)
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.sp
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@@ -2633,8 +2633,8 @@ The internal recursion limit was reached.
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A text message for an error code from any PCRE2 function (compile, match, or
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auxiliary) can be obtained by calling \fBpcre2_get_error_message()\fP. The code
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is passed as the first argument, with the remaining two arguments specifying a
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-code unit buffer and its length, into which the text message is placed. Note
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-that the message is returned in code units of the appropriate width for the
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+code unit buffer and its length in code units, into which the text message is
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+placed. The message is returned in code units of the appropriate width for the
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library that is being used.
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.P
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The returned message is terminated with a trailing zero, and the function
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@@ -3321,6 +3321,6 @@ Cambridge, England.
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.rs
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.sp
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.nf
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-Last updated: 23 December 2016
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-Copyright (c) 1997-2016 University of Cambridge.
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+Last updated: 21 March 2017
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+Copyright (c) 1997-2017 University of Cambridge.
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.fi
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diff --git a/src/pcre2_error.c b/src/pcre2_error.c
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index 9eab4fc..e25c7e6 100644
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--- a/src/pcre2_error.c
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+++ b/src/pcre2_error.c
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@@ -271,7 +271,7 @@ distinct.
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Arguments:
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enumber error number
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buffer where to put the message (zero terminated)
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- size size of the buffer
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+ size size of the buffer in code units
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Returns: length of message if all is well
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negative on error
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diff --git a/src/pcre2test.c b/src/pcre2test.c
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index b6d3ec9..9289656 100644
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--- a/src/pcre2test.c
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+++ b/src/pcre2test.c
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@@ -2889,7 +2889,7 @@ if (pbuffer32_size < 4*len + 4)
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{
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if (pbuffer32 != NULL) free(pbuffer32);
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pbuffer32_size = 4*len + 4;
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- if (pbuffer32_size < 256) pbuffer32_size = 256;
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+ if (pbuffer32_size < 512) pbuffer32_size = 512;
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pbuffer32 = (uint32_t *)malloc(pbuffer32_size);
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if (pbuffer32 == NULL)
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{
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@@ -7600,7 +7600,8 @@ if (arg_error != NULL)
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int errcode;
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char *endptr;
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-/* Ensure the relevant non-8-bit buffer is available. */
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+/* Ensure the relevant non-8-bit buffer is available. Ensure that it is at
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+least 128 code units, because it is used for retrieving error messages. */
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#ifdef SUPPORT_PCRE2_16
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if (test_mode == PCRE16_MODE)
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@@ -7620,7 +7621,7 @@ if (arg_error != NULL)
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#ifdef SUPPORT_PCRE2_32
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if (test_mode == PCRE32_MODE)
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{
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- pbuffer32_size = 256;
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+ pbuffer32_size = 512;
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pbuffer32 = (uint32_t *)malloc(pbuffer32_size);
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if (pbuffer32 == NULL)
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{
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diff --git a/testdata/testinput2 b/testdata/testinput2
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index 5a77e88..d62e975 100644
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--- a/testdata/testinput2
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+++ b/testdata/testinput2
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@@ -5017,4 +5017,6 @@ a)"xI
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/(?<!\1((?U)1((?U))))(*F)/never_backslash_c,alt_bsux,anchored,extended
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+/\g{3/
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+
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# End of testinput2
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diff --git a/testdata/testoutput2 b/testdata/testoutput2
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index 3288424..ebf5fbd 100644
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--- a/testdata/testoutput2
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+++ b/testdata/testoutput2
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@@ -15570,6 +15570,9 @@ No match
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/(?<!\1((?U)1((?U))))(*F)/never_backslash_c,alt_bsux,anchored,extended
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+/\g{3/
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+Failed: error 157 at offset 2: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number
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+
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# End of testinput2
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Error -63: PCRE2_ERROR_BADDATA (unknown error number)
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Error -62: bad serialized data
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--
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2.7.4
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