1 /* Convert wide string to string.
2 Copyright (C) 2008 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2008.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
28 extern mbstate_t _gl_wcsrtombs_state;
31 wcsnrtombs (char *dest, const wchar_t **srcp, size_t srclen, size_t len, mbstate_t *ps)
34 ps = &_gl_wcsrtombs_state;
36 const wchar_t *src = *srcp;
37 size_t cur_max = MB_CUR_MAX;
40 if (!(cur_max <= sizeof (buf)))
47 for (; srclen > 0 && len > 0; src++, srclen--)
50 size_t ret = wcrtomb (len >= cur_max ? destptr : buf, wc, ps);
52 if (ret == (size_t)(-1))
54 if (!(ret <= cur_max))
59 memcpy (destptr, buf, ret);
63 /* Here mbsinit (ps). */
70 return destptr - dest;
74 /* Ignore dest and len, don't store *srcp at the end, and
76 mbstate_t state = *ps;
77 size_t totalcount = 0;
79 for (; srclen > 0; src++, srclen--)
82 size_t ret = wcrtomb (buf, wc, &state);
84 if (ret == (size_t)(-1))
88 /* Here mbsinit (&state). */