1 /* Convert wide string to string.
2 Copyright (C) 2008-2018 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 <https://www.gnu.org/licenses/>. */
19 wcsnrtombs (char *dest
, const wchar_t **srcp
, size_t srclen
, size_t len
, mbstate_t *ps
)
22 ps
= &_gl_wcsrtombs_state
;
24 const wchar_t *src
= *srcp
;
25 size_t cur_max
= MB_CUR_MAX
;
28 if (!(cur_max
<= sizeof (buf
)))
35 for (; srclen
> 0 && len
> 0; src
++, srclen
--)
38 size_t ret
= wcrtomb (len
>= cur_max
? destptr
: buf
, wc
, ps
);
40 if (ret
== (size_t)(-1))
42 if (!(ret
<= cur_max
))
47 memcpy (destptr
, buf
, ret
);
51 /* Here mbsinit (ps). */
58 return destptr
- dest
;
62 /* Ignore dest and len, don't store *srcp at the end, and
64 mbstate_t state
= *ps
;
65 size_t totalcount
= 0;
67 for (; srclen
> 0; src
++, srclen
--)
70 size_t ret
= wcrtomb (buf
, wc
, &state
);
72 if (ret
== (size_t)(-1))
76 /* Here mbsinit (&state). */