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304269717c
These files have been created by running ./build-aux/bootstrap with Gnulib as at commit 5e0faf88718e9329e44c773039166c7dbf3ca57c (with a date stamp of Fri May 19 19:27:51 2017 +0200), Autoconf 2.69, Automake 1.15 and Gettext 0.19.8.1.
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Convert wide character to multibyte character.
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Copyright (C) 2008-2017 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2008.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://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 <errno.h>
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#include <stdlib.h>
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size_t
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wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
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{
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/* This implementation of wcrtomb on top of wctomb() supports only
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stateless encodings. ps must be in the initial state. */
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if (ps != NULL && !mbsinit (ps))
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{
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errno = EINVAL;
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return (size_t)(-1);
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}
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if (s == NULL)
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/* We know the NUL wide character corresponds to the NUL character. */
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return 1;
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else
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{
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int ret = wctomb (s, wc);
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if (ret >= 0)
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return ret;
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else
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{
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errno = EILSEQ;
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return (size_t)(-1);
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}
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}
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}
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