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15c6926126
* Add gnulib files generated by gnulib-tool in build-aux, m4 and
grub-core/gnulib directories
* .bzignore: Add **/.deps and autogenerated gnulib files
* configure.ac: Assign auxiliary directory to build-aux, add invocation
of gnulib macros, add grub-core/gnulib/Makefile
* Makefile.am: Add gnulib directory in SUBDIRS (removing unnecessary .),
include m4 directory to aclocal.
* Makefile.util.def: Remove direct compilation of gnulib source files
and use the new grub-core/gnulib/libgnu.a.
* build-aux/config.rpath: move config.rpath from top directory to
build-aux
* conf/Makefile.common: Remove the macro _GL_UNUSED already defined
in gnulib headers
* conf/Makefile.extra-dist: Add m4/gnulib-cache.m4
* grub-core/Makefile.core.def: Remove unnecessary extra_dist
* grub-core/lib/posix_wrap/localcharset.h (locale_charset): Update
header.
* grub-core/lib/posix_wrap/langinfo.h (nl_langinfo): Return static
string.
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, 2009, 2010 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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