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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-22 04:38:07 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-22 04:38:07 +0000 |
commit | 28ef1abc10cfbc2c3d2747c008eb2300858d0426 (patch) | |
tree | 41208fb8f393e6cb6cc8f939623ad47a0db17876 /lib/wctob.c | |
download | grep-tarball-28ef1abc10cfbc2c3d2747c008eb2300858d0426.tar.gz |
Diffstat (limited to 'lib/wctob.c')
-rw-r--r-- | lib/wctob.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/wctob.c b/lib/wctob.c new file mode 100644 index 0000000..15e3ff3 --- /dev/null +++ b/lib/wctob.c @@ -0,0 +1,38 @@ +/* Convert wide character to unibyte character. + Copyright (C) 2008, 2010-2016 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2008. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <wchar.h> + +#include <stdio.h> +#include <stdlib.h> + +int +wctob (wint_t wc) +{ + char buf[64]; + + if (!(MB_CUR_MAX <= sizeof (buf))) + abort (); + /* Handle the case where WEOF is a value that does not fit in a wchar_t. */ + if (wc == (wchar_t)wc) + if (wctomb (buf, (wchar_t)wc) == 1) + return (unsigned char) buf[0]; + return EOF; +} |