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
44 MODULE_ID("$Id: lib_slk_wset.c,v 1.15 2020/02/02 23:34:34 tom Exp $")
45
NCURSES_EXPORT(int)46 NCURSES_EXPORT(int)
47 slk_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