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Annotation of win32/pcre/pcre_globals.c, revision 1.2

1.1       misha       1: /*************************************************
                      2: *      Perl-Compatible Regular Expressions       *
                      3: *************************************************/
                      4: 
                      5: /* PCRE is a library of functions to support regular expressions whose syntax
                      6: and semantics are as close as possible to those of the Perl 5 language.
                      7: 
                      8:                        Written by Philip Hazel
                      9:            Copyright (c) 1997-2008 University of Cambridge
                     10: 
                     11: -----------------------------------------------------------------------------
                     12: Redistribution and use in source and binary forms, with or without
                     13: modification, are permitted provided that the following conditions are met:
                     14: 
                     15:     * Redistributions of source code must retain the above copyright notice,
                     16:       this list of conditions and the following disclaimer.
                     17: 
                     18:     * Redistributions in binary form must reproduce the above copyright
                     19:       notice, this list of conditions and the following disclaimer in the
                     20:       documentation and/or other materials provided with the distribution.
                     21: 
                     22:     * Neither the name of the University of Cambridge nor the names of its
                     23:       contributors may be used to endorse or promote products derived from
                     24:       this software without specific prior written permission.
                     25: 
                     26: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
                     27: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
                     30: LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     31: CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     32: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     33: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     34: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     35: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     36: POSSIBILITY OF SUCH DAMAGE.
                     37: -----------------------------------------------------------------------------
                     38: */
                     39: 
                     40: 
                     41: /* This module contains global variables that are exported by the PCRE library.
                     42: PCRE is thread-clean and doesn't use any global variables in the normal sense.
                     43: However, it calls memory allocation and freeing functions via the four
                     44: indirections below, and it can optionally do callouts, using the fifth
                     45: indirection. These values can be changed by the caller, but are shared between
1.2     ! misha      46: all threads.
        !            47: 
        !            48: For MS Visual Studio and Symbian OS, there are problems in initializing these
        !            49: variables to non-local functions. In these cases, therefore, an indirection via
        !            50: a local function is used.
        !            51: 
        !            52: Also, when compiling for Virtual Pascal, things are done differently, and
        !            53: global variables are not used. */
1.1       misha      54: 
                     55: #ifdef HAVE_CONFIG_H
                     56: #include "config.h"
                     57: #endif
                     58: 
                     59: #include "pcre_internal.h"
                     60: 
1.2     ! misha      61: #if defined _MSC_VER || defined  __SYMBIAN32__
        !            62: static void* LocalPcreMalloc(size_t aSize)
        !            63:   {
        !            64:   return malloc(aSize);
        !            65:   }
        !            66: static void LocalPcreFree(void* aPtr)
        !            67:   {
        !            68:   free(aPtr);
        !            69:   }
        !            70: PCRE_EXP_DATA_DEFN void *(*pcre_malloc)(size_t) = LocalPcreMalloc;
        !            71: PCRE_EXP_DATA_DEFN void  (*pcre_free)(void *) = LocalPcreFree;
        !            72: PCRE_EXP_DATA_DEFN void *(*pcre_stack_malloc)(size_t) = LocalPcreMalloc;
        !            73: PCRE_EXP_DATA_DEFN void  (*pcre_stack_free)(void *) = LocalPcreFree;
        !            74: PCRE_EXP_DATA_DEFN int   (*pcre_callout)(pcre_callout_block *) = NULL;
        !            75: 
        !            76: #elif !defined VPCOMPAT
1.1       misha      77: PCRE_EXP_DATA_DEFN void *(*pcre_malloc)(size_t) = malloc;
                     78: PCRE_EXP_DATA_DEFN void  (*pcre_free)(void *) = free;
                     79: PCRE_EXP_DATA_DEFN void *(*pcre_stack_malloc)(size_t) = malloc;
                     80: PCRE_EXP_DATA_DEFN void  (*pcre_stack_free)(void *) = free;
                     81: PCRE_EXP_DATA_DEFN int   (*pcre_callout)(pcre_callout_block *) = NULL;
                     82: #endif
                     83: 
                     84: /* End of pcre_globals.c */