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Diffstat (limited to 'REORG.TODO/stdlib/wctomb.c')
-rw-r--r-- | REORG.TODO/stdlib/wctomb.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/REORG.TODO/stdlib/wctomb.c b/REORG.TODO/stdlib/wctomb.c new file mode 100644 index 0000000000..c14d4266ec --- /dev/null +++ b/REORG.TODO/stdlib/wctomb.c @@ -0,0 +1,57 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <string.h> +#include <wchar.h> +#include <gconv.h> +#include <wcsmbs/wcsmbsload.h> + + +/* Shared with __wctomb_chk. */ +mbstate_t __wctomb_state attribute_hidden; + +/* Convert WCHAR into its multibyte character representation, + putting this in S and returning its length. + + Attention: this function should NEVER be intentionally used. + The interface is completely stupid. The state is shared between + all conversion functions. You should use instead the restartable + version `wcrtomb'. */ +int +wctomb (char *s, wchar_t wchar) +{ + /* If S is NULL the function has to return null or not null + depending on the encoding having a state depending encoding or + not. */ + if (s == NULL) + { + const struct gconv_fcts *fcts; + + /* Get the conversion functions. */ + fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE)); + + /* This is an extension in the Unix standard which does not directly + violate ISO C. */ + memset (&__wctomb_state, '\0', sizeof __wctomb_state); + + return fcts->tomb->__stateful; + } + + return __wcrtomb (s, wchar, &__wctomb_state); +} +libc_hidden_def (wctomb) |