1/****************************************************************************
2 * Copyright 2020 Thomas E. Dickey                                          *
3 * Copyright 2003-2011,2016 Free Software Foundation, Inc.                  *
4 *                                                                          *
5 * Permission is hereby granted, free of charge, to any person obtaining a  *
6 * copy of this software and associated documentation files (the            *
7 * "Software"), to deal in the Software without restriction, including      *
8 * without limitation the rights to use, copy, modify, merge, publish,      *
9 * distribute, distribute with modifications, sublicense, and/or sell       *
10 * copies of the Software, and to permit persons to whom the Software is    *
11 * furnished to do so, subject to the following conditions:                 *
12 *                                                                          *
13 * The above copyright notice and this permission notice shall be included  *
14 * in all copies or substantial portions of the Software.                   *
15 *                                                                          *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23 *                                                                          *
24 * Except as contained in this notice, the name(s) of the above copyright   *
25 * holders shall not be used in advertising or otherwise to promote the     *
26 * sale, use or other dealings in this Software without prior written       *
27 * authorization.                                                           *
28 ****************************************************************************/
29
30/****************************************************************************
31 *  Author: Thomas E. Dickey                                                *
32 ****************************************************************************/
33
34/*
35 *	lib_slk_wset.c
36 *      Set soft label text.
37 */
38#include <curses.priv.h>
39
40#if HAVE_WCTYPE_H
41#include <wctype.h>
42#endif
43
44MODULE_ID("$Id: lib_slk_wset.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
45
46NCURSES_EXPORT(int)
47slk_wset(int i, const wchar_t *astr, int format)
48{
49    int result = ERR;
50    const wchar_t *str;
51    mbstate_t state;
52
53    T((T_CALLED("slk_wset(%d, %s, %d)"), i, _nc_viswbuf(astr), format));
54
55    if (astr != 0) {
56	size_t arglen;
57
58	init_mb(state);
59	str = astr;
60
61	if ((arglen = wcsrtombs(NULL, &str, (size_t) 0, &state)) != (size_t) -1) {
62	    char *mystr;
63
64	    if ((mystr = (char *) _nc_doalloc(0, arglen + 1)) != 0) {
65		str = astr;
66		if (wcsrtombs(mystr, &str, arglen, &state) != (size_t) -1) {
67		    /* glibc documentation claims that the terminating L'\0'
68		     * is written, but it is not...
69		     */
70		    mystr[arglen] = 0;
71		    result = slk_set(i, mystr, format);
72		}
73		free(mystr);
74	    }
75	}
76    }
77    returnCode(result);
78}
79