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* Sync with the 202601-stable Gnulib code (4a3650d887) * Ignore more deps stuff in gnulib * Remove autogenerated gnulib files * Ignore more gnulib generated headers
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* Convert unibyte character to wide character.
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Copyright (C) 2008, 2010-2026 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2008.
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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 2.1 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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#include <config.h>
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/* Specification. */
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#include <wchar.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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wint_t
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btowc (int c)
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{
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if (c != EOF)
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{
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char buf[1];
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wchar_t wc;
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buf[0] = c;
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#if HAVE_MBRTOWC
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mbstate_t state;
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mbszero (&state);
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size_t ret = mbrtowc (&wc, buf, 1, &state);
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if (!(ret == (size_t)(-1) || ret == (size_t)(-2)))
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#else
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if (mbtowc (&wc, buf, 1) >= 0)
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#endif
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return wc;
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}
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return WEOF;
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}
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