+++ /dev/null
-/* $Cambridge: exim/src/src/pcre/pcre_fullinfo.c,v 1.6 2007/11/12 13:02:19 nm4 Exp $ */
-
-/*************************************************
-* Perl-Compatible Regular Expressions *
-*************************************************/
-
-/*PCRE is a library of functions to support regular expressions whose syntax
-and semantics are as close as possible to those of the Perl 5 language.
-
- Written by Philip Hazel
- Copyright (c) 1997-2007 University of Cambridge
-
------------------------------------------------------------------------------
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- * Neither the name of the University of Cambridge nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
------------------------------------------------------------------------------
-*/
-
-
-/* This module contains the external function pcre_fullinfo(), which returns
-information about a compiled pattern. */
-
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "pcre_internal.h"
-
-
-/*************************************************
-* Return info about compiled pattern *
-*************************************************/
-
-/* This is a newer "info" function which has an extensible interface so
-that additional items can be added compatibly.
-
-Arguments:
- argument_re points to compiled code
- extra_data points extra data, or NULL
- what what information is required
- where where to put the information
-
-Returns: 0 if data returned, negative on error
-*/
-
-PCRE_EXP_DEFN int
-pcre_fullinfo(const pcre *argument_re, const pcre_extra *extra_data, int what,
- void *where)
-{
-real_pcre internal_re;
-pcre_study_data internal_study;
-const real_pcre *re = (const real_pcre *)argument_re;
-const pcre_study_data *study = NULL;
-
-if (re == NULL || where == NULL) return PCRE_ERROR_NULL;
-
-if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_STUDY_DATA) != 0)
- study = (const pcre_study_data *)extra_data->study_data;
-
-if (re->magic_number != MAGIC_NUMBER)
- {
- re = _pcre_try_flipped(re, &internal_re, study, &internal_study);
- if (re == NULL) return PCRE_ERROR_BADMAGIC;
- if (study != NULL) study = &internal_study;
- }
-
-switch (what)
- {
- case PCRE_INFO_OPTIONS:
- *((unsigned long int *)where) = re->options & PUBLIC_OPTIONS;
- break;
-
- case PCRE_INFO_SIZE:
- *((size_t *)where) = re->size;
- break;
-
- case PCRE_INFO_STUDYSIZE:
- *((size_t *)where) = (study == NULL)? 0 : study->size;
- break;
-
- case PCRE_INFO_CAPTURECOUNT:
- *((int *)where) = re->top_bracket;
- break;
-
- case PCRE_INFO_BACKREFMAX:
- *((int *)where) = re->top_backref;
- break;
-
- case PCRE_INFO_FIRSTBYTE:
- *((int *)where) =
- ((re->flags & PCRE_FIRSTSET) != 0)? re->first_byte :
- ((re->flags & PCRE_STARTLINE) != 0)? -1 : -2;
- break;
-
- /* Make sure we pass back the pointer to the bit vector in the external
- block, not the internal copy (with flipped integer fields). */
-
- case PCRE_INFO_FIRSTTABLE:
- *((const uschar **)where) =
- (study != NULL && (study->options & PCRE_STUDY_MAPPED) != 0)?
- ((const pcre_study_data *)extra_data->study_data)->start_bits : NULL;
- break;
-
- case PCRE_INFO_LASTLITERAL:
- *((int *)where) =
- ((re->flags & PCRE_REQCHSET) != 0)? re->req_byte : -1;
- break;
-
- case PCRE_INFO_NAMEENTRYSIZE:
- *((int *)where) = re->name_entry_size;
- break;
-
- case PCRE_INFO_NAMECOUNT:
- *((int *)where) = re->name_count;
- break;
-
- case PCRE_INFO_NAMETABLE:
- *((const uschar **)where) = (const uschar *)re + re->name_table_offset;
- break;
-
- case PCRE_INFO_DEFAULT_TABLES:
- *((const uschar **)where) = (const uschar *)(_pcre_default_tables);
- break;
-
- case PCRE_INFO_OKPARTIAL:
- *((int *)where) = (re->flags & PCRE_NOPARTIAL) == 0;
- break;
-
- case PCRE_INFO_JCHANGED:
- *((int *)where) = (re->flags & PCRE_JCHANGED) != 0;
- break;
-
- case PCRE_INFO_HASCRORLF:
- *((int *)where) = (re->flags & PCRE_HASCRORLF) != 0;
- break;
-
- default: return PCRE_ERROR_BADOPTION;
- }
-
-return 0;
-}
-
-/* End of pcre_fullinfo.c */
git://git.exim.org / exim.git / blobdiff