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Implemented pcre2_get_match_data_size().

This commit is contained in:
Philip.Hazel 2019-07-16 15:50:09 +00:00
parent 046c5cd21c
commit bca9888a2c
9 changed files with 101 additions and 7 deletions
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4
ChangeLog
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@ -88,13 +88,15 @@ otherwise), an atomic group, or a recursion.
17. Check for integer overflow when computing lookbehind lengths. Fixes
Clusterfuzz issue 15636.
18. Implement non-atomic positive lookaround assertions.
18. Implemented non-atomic positive lookaround assertions.
19. If a lookbehind contained a lookahead that contained another lookbehind
within it, the nested lookbehind was not correctly processed. For example, if
/(?<=(?=(?<=a)))b/ was matched to "ab" it gave no match instead of matching
"b".
20. Implemented pcre2_get_match_data_size().
Version 10.33 16-April-2019
---------------------------

2
Makefile.am
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@ -46,6 +46,7 @@ dist_html_DATA = \
doc/html/pcre2_general_context_free.html \
doc/html/pcre2_get_error_message.html \
doc/html/pcre2_get_mark.html \
doc/html/pcre2_get_match_data_size.html \
doc/html/pcre2_get_ovector_count.html \
doc/html/pcre2_get_ovector_pointer.html \
doc/html/pcre2_get_startchar.html \
@ -140,6 +141,7 @@ dist_man_MANS = \
doc/pcre2_general_context_free.3 \
doc/pcre2_get_error_message.3 \
doc/pcre2_get_mark.3 \
doc/pcre2_get_match_data_size.3 \
doc/pcre2_get_ovector_count.3 \
doc/pcre2_get_ovector_pointer.3 \
doc/pcre2_get_startchar.3 \

3
doc/html/index.html
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@ -146,6 +146,9 @@ in the library.
<tr><td><a href="pcre2_get_mark.html">pcre2_get_mark</a></td>
<td>&nbsp;&nbsp;Get a (*MARK) name</td></tr>
<tr><td><a href="pcre2_get_match_data_size.html">pcre2_get_match_data_size</a></td>
<td>&nbsp;&nbsp;Get the size of a match data block</td></tr>
<tr><td><a href="pcre2_get_ovector_count.html">pcre2_get_ovector_count</a></td>
<td>&nbsp;&nbsp;Get the ovector count</td></tr>

39
doc/html/pcre2_get_match_data_size.html Normal file
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@ -0,0 +1,39 @@
<html>
<head>
<title>pcre2_get_match_data_size specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
<h1>pcre2_get_match_data_size man page</h1>
<p>
Return to the <a href="index.html">PCRE2 index page</a>.
</p>
<p>
This page is part of the PCRE2 HTML documentation. It was generated
automatically from the original man page. If there is any nonsense in it,
please consult the man page, in case the conversion went wrong.
<br>
<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include &#60;pcre2.h&#62;</b>
</P>
<P>
<b>PCRE2_SIZE pcre2_get_match_data_size(pcre2_match_data *<i>match_data</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This function returns the size, in bytes, of the match data block that is its
argument.
</P>
<P>
There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html"><b>pcre2api</b></a>
page and a description of the POSIX API in the
<a href="pcre2posix.html"><b>pcre2posix</b></a>
page.
<p>
Return to the <a href="index.html">PCRE2 index page</a>.
</p>

3
doc/index.html.src
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@ -146,6 +146,9 @@ in the library.
<tr><td><a href="pcre2_get_mark.html">pcre2_get_mark</a></td>
<td>&nbsp;&nbsp;Get a (*MARK) name</td></tr>
<tr><td><a href="pcre2_get_match_data_size.html">pcre2_get_match_data_size</a></td>
<td>&nbsp;&nbsp;Get the size of a match data block</td></tr>
<tr><td><a href="pcre2_get_ovector_count.html">pcre2_get_ovector_count</a></td>
<td>&nbsp;&nbsp;Get the ovector count</td></tr>

27
doc/pcre2_get_match_data_size.3 Normal file
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@ -0,0 +1,27 @@
.TH PCRE2_GET_MATCH_DATA_SIZE 3 "16 July 2019" "PCRE2 10.34"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH SYNOPSIS
.rs
.sp
.B #include <pcre2.h>
.PP
.nf
.B PCRE2_SIZE pcre2_get_match_data_size(pcre2_match_data *\fImatch_data\fP);
.fi
.
.SH DESCRIPTION
.rs
.sp
This function returns the size, in bytes, of the match data block that is its
argument.
.P
There is a complete description of the PCRE2 native API in the
.\" HREF
\fBpcre2api\fP
.\"
page and a description of the POSIX API in the
.\" HREF
\fBpcre2posix\fP
.\"
page.

3
src/pcre2.h.in
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@ -679,6 +679,8 @@ PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
pcre2_match_data_free(pcre2_match_data *); \
PCRE2_EXP_DECL PCRE2_SPTR PCRE2_CALL_CONVENTION \
pcre2_get_mark(pcre2_match_data *); \
PCRE2_EXP_DECL PCRE2_SIZE PCRE2_CALL_CONVENTION \
pcre2_get_match_data_size(pcre2_match_data *); \
PCRE2_EXP_DECL uint32_t PCRE2_CALL_CONVENTION \
pcre2_get_ovector_count(pcre2_match_data *); \
PCRE2_EXP_DECL PCRE2_SIZE PCRE2_CALL_CONVENTION \
@ -842,6 +844,7 @@ pcre2_compile are called by application code. */
#define pcre2_general_context_free PCRE2_SUFFIX(pcre2_general_context_free_)
#define pcre2_get_error_message PCRE2_SUFFIX(pcre2_get_error_message_)
#define pcre2_get_mark PCRE2_SUFFIX(pcre2_get_mark_)
#define pcre2_get_match_data_size PCRE2_SUFFIX(pcre2_get_match_data_size_)
#define pcre2_get_ovector_pointer PCRE2_SUFFIX(pcre2_get_ovector_pointer_)
#define pcre2_get_ovector_count PCRE2_SUFFIX(pcre2_get_ovector_count_)
#define pcre2_get_startchar PCRE2_SUFFIX(pcre2_get_startchar_)

15
src/pcre2_match_data.c
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@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
Written by Philip Hazel
Original API code Copyright (c) 1997-2012 University of Cambridge
New API code Copyright (c) 2016-2018 University of Cambridge
New API code Copyright (c) 2016-2019 University of Cambridge
-----------------------------------------------------------------------------
Redistribution and use in source and binary forms, with or without
@ -150,4 +150,17 @@ pcre2_get_startchar(pcre2_match_data *match_data)
return match_data->startchar;
}
/*************************************************
* Get size of match data block *
*************************************************/
PCRE2_EXP_DEFN PCRE2_SIZE PCRE2_CALL_CONVENTION
pcre2_get_match_data_size(pcre2_match_data *match_data)
{
return offsetof(pcre2_match_data, ovector) +
2 * (match_data->oveccount) * sizeof(PCRE2_SIZE);
}
/* End of pcre2_match_data.c */

8
src/pcre2test.c
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@ -8820,8 +8820,8 @@ least 128 code units, because it is used for retrieving error messages. */
} /* End of -error handling */
/* Initialize things that cannot be done until we know which test mode we are
running in. Exercise the general context copying function, which is not
otherwise used. */
running in. Exercise the general context copying and match data size functions,
which are not otherwise used. */
code_unit_size = test_mode/8;
max_oveccount = DEFAULT_OVECCOUNT;
@ -8843,7 +8843,9 @@ max_oveccount = DEFAULT_OVECCOUNT;
(void)G(pcre2_set_compile_extra_options_,BITS)(G(pat_context,BITS), 0); \
(void)G(pcre2_set_max_pattern_length_,BITS)(G(pat_context,BITS), 0); \
(void)G(pcre2_set_offset_limit_,BITS)(G(dat_context,BITS), 0); \
(void)G(pcre2_set_recursion_memory_management_,BITS)(G(dat_context,BITS), my_malloc, my_free, NULL)
(void)G(pcre2_set_recursion_memory_management_,BITS)(G(dat_context,BITS), my_malloc, my_free, NULL); \
(void)G(pcre2_get_match_data_size_,BITS)(G(match_data,BITS))
/* Call the appropriate functions for the current mode, and exercise some
functions that are not otherwise called. */