From a3ec215973c3653ebdeb81dcdd1274519c376a3d Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Sun, 21 Aug 2016 05:23:24 +0000 Subject: diffutils-3.5 --- lib/wcrtomb.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 lib/wcrtomb.c (limited to 'lib/wcrtomb.c') diff --git a/lib/wcrtomb.c b/lib/wcrtomb.c new file mode 100644 index 0000000..b931ee9 --- /dev/null +++ b/lib/wcrtomb.c @@ -0,0 +1,53 @@ +/* Convert wide character to multibyte character. + Copyright (C) 2008-2016 Free Software Foundation, Inc. + Written by Bruno Haible , 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 . */ + +#include + +/* Specification. */ +#include + +#include +#include + + +size_t +wcrtomb (char *s, wchar_t wc, mbstate_t *ps) +{ + /* This implementation of wcrtomb on top of wctomb() supports only + stateless encodings. ps must be in the initial state. */ + if (ps != NULL && !mbsinit (ps)) + { + errno = EINVAL; + return (size_t)(-1); + } + + if (s == NULL) + /* We know the NUL wide character corresponds to the NUL character. */ + return 1; + else + { + int ret = wctomb (s, wc); + + if (ret >= 0) + return ret; + else + { + errno = EILSEQ; + return (size_t)(-1); + } + } +} -- cgit v1.2.1