1 /* $OpenBSD: lib_slk_wset.c,v 1.2 2023/10/17 09:52:09 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020 Thomas E. Dickey *
5 * Copyright 2003-2011,2016 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Thomas E. Dickey *
34 ****************************************************************************/
35
36 /*
37 * lib_slk_wset.c
38 * Set soft label text.
39 */
40 #include <curses.priv.h>
41
42 #if HAVE_WCTYPE_H
43 #include <wctype.h>
44 #endif
45
46 MODULE_ID("$Id: lib_slk_wset.c,v 1.2 2023/10/17 09:52:09 nicm Exp $")
47
NCURSES_EXPORT(int)48 NCURSES_EXPORT(int)
49 slk_wset(int i, const wchar_t *astr, int format)
50 {
51 int result = ERR;
52 const wchar_t *str;
53 mbstate_t state;
54
55 T((T_CALLED("slk_wset(%d, %s, %d)"), i, _nc_viswbuf(astr), format));
56
57 if (astr != 0) {
58 size_t arglen;
59
60 init_mb(state);
61 str = astr;
62
63 if ((arglen = wcsrtombs(NULL, &str, (size_t) 0, &state)) != (size_t) -1) {
64 char *mystr;
65
66 if ((mystr = (char *) _nc_doalloc(0, arglen + 1)) != 0) {
67 str = astr;
68 if (wcsrtombs(mystr, &str, arglen, &state) != (size_t) -1) {
69 /* glibc documentation claims that the terminating L'\0'
70 * is written, but it is not...
71 */
72 mystr[arglen] = 0;
73 result = slk_set(i, mystr, format);
74 }
75 free(mystr);
76 }
77 }
78 }
79 returnCode(result);
80 }
81