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8.33

    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) 1997-2012 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 file contains a private PCRE function that converts an ordinal
   42: character value into a UTF32 string. */
   43: 
   44: #ifdef HAVE_CONFIG_H
   45: #include "config.h"
   46: #endif
   47: 
   48: /* Generate code with 32 bit character support. */
   49: #define COMPILE_PCRE32
   50: 
   51: #include "pcre_internal.h"
   52: 
   53: /*************************************************
   54: *       Convert character value to UTF-32         *
   55: *************************************************/
   56: 
   57: /* This function takes an integer value in the range 0 - 0x10ffff
   58: and encodes it as a UTF-32 character in 1 pcre_uchars.
   59: 
   60: Arguments:
   61:   cvalue     the character value
   62:   buffer     pointer to buffer for result - at least 1 pcre_uchars long
   63: 
   64: Returns:     number of characters placed in the buffer
   65: */
   66: 
   67: unsigned int
   68: PRIV(ord2utf)(pcre_uint32 cvalue, pcre_uchar *buffer)
   69: {
   70: #ifdef SUPPORT_UTF
   71: 
   72: *buffer = (pcre_uchar)cvalue;
   73: return 1;
   74: 
   75: #else /* SUPPORT_UTF */
   76: (void)(cvalue);  /* Keep compiler happy; this function won't ever be */
   77: (void)(buffer);  /* called when SUPPORT_UTF is not defined. */
   78: return 0;
   79: #endif /* SUPPORT_UTF */
   80: }
   81: 
   82: /* End of pcre32_ord2utf32.c */