root/maint/gnulib/lib/mbsrtoc32s.c

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DEFINITIONS

This source file includes following definitions.
  1. mbsrtoc32s

   1 /* Convert string to 32-bit wide string.
   2    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2020.
   4 
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9 
  10    This file is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU Lesser General Public License for more details.
  14 
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17 
  18 #include <config.h>
  19 
  20 /* Specification.  */
  21 #include <uchar.h>
  22 
  23 #include <wchar.h>
  24 
  25 #if (HAVE_WORKING_MBRTOC32 && !defined __GLIBC__) || _GL_LARGE_CHAR32_T
  26 /* The char32_t encoding of a multibyte character may be different than its
  27    wchar_t encoding, or char32_t is wider than wchar_t.  */
  28 
  29 # include <errno.h>
  30 # include <limits.h>
  31 # include <stdlib.h>
  32 
  33 # include "strnlen1.h"
  34 
  35 extern mbstate_t _gl_mbsrtoc32s_state;
  36 
  37 # define FUNC mbsrtoc32s
  38 # define DCHAR_T char32_t
  39 # define INTERNAL_STATE _gl_mbsrtoc32s_state
  40 # define MBRTOWC mbrtoc32
  41 # include "mbsrtowcs-impl.h"
  42 
  43 #else
  44 /* char32_t and wchar_t are equivalent.  */
  45 
  46 # include "verify.h"
  47 
  48 verify (sizeof (char32_t) == sizeof (wchar_t));
  49 
  50 size_t
  51 mbsrtoc32s (char32_t *dest, const char **srcp, size_t len, mbstate_t *ps)
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  52 {
  53   return mbsrtowcs ((wchar_t *) dest, srcp, len, ps);
  54 }
  55 
  56 #endif

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