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187 lines
4.8 KiB
C
187 lines
4.8 KiB
C
/*************************************************
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* Perl-Compatible Regular Expressions *
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*************************************************/
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/* PCRE is a library of functions to support regular expressions whose syntax
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and semantics are as close as possible to those of the Perl 5 language.
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Written by Philip Hazel
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Copyright (c) 1997-2012 University of Cambridge
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-----------------------------------------------------------------------------
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the University of Cambridge nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-----------------------------------------------------------------------------
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*/
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/* This module contains the external function pcre_config(). */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* Keep the original link size. */
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static int real_link_size = LINK_SIZE;
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#include "pcre_internal.h"
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/*************************************************
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* Return info about what features are configured *
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*************************************************/
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/* This function has an extensible interface so that additional items can be
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added compatibly.
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Arguments:
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what what information is required
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where where to put the information
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Returns: 0 if data returned, negative on error
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*/
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#if defined COMPILE_PCRE8
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PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
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pcre_config(int what, void *where)
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#elif defined COMPILE_PCRE16
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PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
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pcre16_config(int what, void *where)
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#elif defined COMPILE_PCRE32
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PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
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pcre32_config(int what, void *where)
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#endif
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{
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switch (what)
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{
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case PCRE_CONFIG_UTF8:
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#if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
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*((int *)where) = 0;
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return PCRE_ERROR_BADOPTION;
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#else
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#if defined SUPPORT_UTF
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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#endif
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case PCRE_CONFIG_UTF16:
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#if defined COMPILE_PCRE8 || defined COMPILE_PCRE32
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*((int *)where) = 0;
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return PCRE_ERROR_BADOPTION;
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#else
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#if defined SUPPORT_UTF
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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#endif
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case PCRE_CONFIG_UTF32:
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#if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
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*((int *)where) = 0;
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return PCRE_ERROR_BADOPTION;
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#else
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#if defined SUPPORT_UTF
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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#endif
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case PCRE_CONFIG_UNICODE_PROPERTIES:
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#ifdef SUPPORT_UCP
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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case PCRE_CONFIG_JIT:
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#ifdef SUPPORT_JIT
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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case PCRE_CONFIG_JITTARGET:
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#ifdef SUPPORT_JIT
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*((const char **)where) = PRIV(jit_get_target)();
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#else
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*((const char **)where) = NULL;
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#endif
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break;
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case PCRE_CONFIG_NEWLINE:
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*((int *)where) = NEWLINE;
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break;
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case PCRE_CONFIG_BSR:
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#ifdef BSR_ANYCRLF
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*((int *)where) = 1;
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#else
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*((int *)where) = 0;
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#endif
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break;
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case PCRE_CONFIG_LINK_SIZE:
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*((int *)where) = real_link_size;
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break;
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case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
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*((int *)where) = POSIX_MALLOC_THRESHOLD;
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break;
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case PCRE_CONFIG_MATCH_LIMIT:
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*((unsigned long int *)where) = MATCH_LIMIT;
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break;
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case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
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*((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
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break;
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case PCRE_CONFIG_STACKRECURSE:
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#ifdef NO_RECURSE
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*((int *)where) = 0;
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#else
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*((int *)where) = 1;
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#endif
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break;
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default: return PCRE_ERROR_BADOPTION;
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}
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return 0;
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}
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/* End of pcre_config.c */
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