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84 lines
3.7 KiB
C
84 lines
3.7 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) 1997-2014 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 global variables that are exported by the PCRE library.
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PCRE is thread-clean and doesn't use any global variables in the normal sense.
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However, it calls memory allocation and freeing functions via the four
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indirections below, and it can optionally do callouts, using the fifth
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indirection. These values can be changed by the caller, but are shared between
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all threads.
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For MS Visual Studio and Symbian OS, there are problems in initializing these
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variables to non-local functions. In these cases, therefore, an indirection via
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a local function is used.
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Also, when compiling for Virtual Pascal, things are done differently, and
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global variables are not used. */
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#include "pcre_config.h"
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#include "pcre_internal.h"
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#if defined _MSC_VER || defined __SYMBIAN32__
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static void* LocalPcreMalloc(size_t aSize)
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{
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return malloc(aSize);
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}
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static void LocalPcreFree(void* aPtr)
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{
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free(aPtr);
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}
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PCRE_EXP_DATA_DEFN void *(*PUBL(malloc))(size_t) = LocalPcreMalloc;
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PCRE_EXP_DATA_DEFN void (*PUBL(free))(void *) = LocalPcreFree;
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PCRE_EXP_DATA_DEFN void *(*PUBL(stack_malloc))(size_t) = LocalPcreMalloc;
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PCRE_EXP_DATA_DEFN void (*PUBL(stack_free))(void *) = LocalPcreFree;
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PCRE_EXP_DATA_DEFN int (*PUBL(callout))(PUBL(callout_block) *) = NULL;
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PCRE_EXP_DATA_DEFN int (*PUBL(stack_guard))(void) = NULL;
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#elif !defined VPCOMPAT
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PCRE_EXP_DATA_DEFN void *(*PUBL(malloc))(size_t) = malloc;
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PCRE_EXP_DATA_DEFN void (*PUBL(free))(void *) = free;
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PCRE_EXP_DATA_DEFN void *(*PUBL(stack_malloc))(size_t) = malloc;
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PCRE_EXP_DATA_DEFN void (*PUBL(stack_free))(void *) = free;
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PCRE_EXP_DATA_DEFN int (*PUBL(callout))(PUBL(callout_block) *) = NULL;
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PCRE_EXP_DATA_DEFN int (*PUBL(stack_guard))(void) = NULL;
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#endif
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/* End of pcre_globals.c */
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