58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* Convert 32-bit wide string to string.
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Copyright (C) 2020-2024 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2020. */
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#include <config.h>
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#define IN_C32SRTOMBS
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/* Specification. */
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#include <uchar.h>
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#include <wchar.h>
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#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
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/* The char32_t encoding of a multibyte character may be different than its
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wchar_t encoding, or char32_t is wider than wchar_t. */
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# include <errno.h>
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# include <stdlib.h>
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# include <string.h>
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extern mbstate_t _gl_c32srtombs_state;
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# define FUNC c32srtombs
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# define SCHAR_T char32_t
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# define INTERNAL_STATE _gl_c32srtombs_state
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# define WCRTOMB c32rtomb
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# include "wcsrtombs-impl.h"
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#else
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/* char32_t and wchar_t are equivalent. */
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static_assert (sizeof (char32_t) == sizeof (wchar_t));
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# if _GL_WCHAR_T_IS_UCS4
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_GL_EXTERN_INLINE
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# endif
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size_t
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c32srtombs (char *dest, const char32_t **srcp, size_t len, mbstate_t *ps)
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{
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return wcsrtombs (dest, (const wchar_t **) srcp, len, ps);
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}
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#endif
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