1 /* Convert 32-bit wide string to string.
2 Copyright (C) 2020-2024 Free Software Foundation, Inc.
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation, either version 3 of the
7 License, or (at your option) any later version.
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2020. */
27 #if (HAVE_WORKING_MBRTOC32 && HAVE_WORKING_C32RTOMB && !_GL_WCHAR_T_IS_UCS4) || (GL_CHAR32_T_IS_UNICODE && GL_CHAR32_T_VS_WCHAR_T_NEEDS_CONVERSION) || _GL_SMALL_WCHAR_T
28 /* The char32_t encoding of a multibyte character may be different than its
29 wchar_t encoding, or char32_t is wider than wchar_t. */
35 extern mbstate_t _gl_c32srtombs_state
;
37 # define FUNC c32srtombs
38 # define SCHAR_T char32_t
39 # define INTERNAL_STATE _gl_c32srtombs_state
40 # define WCRTOMB c32rtomb
41 # include "wcsrtombs-impl.h"
44 /* char32_t and wchar_t are equivalent. */
46 static_assert (sizeof (char32_t
) == sizeof (wchar_t));
48 # if _GL_WCHAR_T_IS_UCS4
52 c32srtombs (char *dest
, const char32_t
**srcp
, size_t len
, mbstate_t *ps
)
54 return wcsrtombs (dest
, (const wchar_t **) srcp
, len
, ps
);