1 |
|
|
/* $OpenBSD: lib_in_wchnstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */ |
2 |
|
|
|
3 |
|
|
/**************************************************************************** |
4 |
|
|
* Copyright (c) 2002-2004-2007 Free Software Foundation, Inc. * |
5 |
|
|
* * |
6 |
|
|
* Permission is hereby granted, free of charge, to any person obtaining a * |
7 |
|
|
* copy of this software and associated documentation files (the * |
8 |
|
|
* "Software"), to deal in the Software without restriction, including * |
9 |
|
|
* without limitation the rights to use, copy, modify, merge, publish, * |
10 |
|
|
* distribute, distribute with modifications, sublicense, and/or sell * |
11 |
|
|
* copies of the Software, and to permit persons to whom the Software is * |
12 |
|
|
* furnished to do so, subject to the following conditions: * |
13 |
|
|
* * |
14 |
|
|
* The above copyright notice and this permission notice shall be included * |
15 |
|
|
* in all copies or substantial portions of the Software. * |
16 |
|
|
* * |
17 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
18 |
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
19 |
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
20 |
|
|
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
21 |
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
22 |
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
23 |
|
|
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
24 |
|
|
* * |
25 |
|
|
* Except as contained in this notice, the name(s) of the above copyright * |
26 |
|
|
* holders shall not be used in advertising or otherwise to promote the * |
27 |
|
|
* sale, use or other dealings in this Software without prior written * |
28 |
|
|
* authorization. * |
29 |
|
|
****************************************************************************/ |
30 |
|
|
|
31 |
|
|
/**************************************************************************** |
32 |
|
|
* Author: Thomas Dickey * |
33 |
|
|
****************************************************************************/ |
34 |
|
|
|
35 |
|
|
/* |
36 |
|
|
** lib_in_wchnstr.c |
37 |
|
|
** |
38 |
|
|
** The routine win_wchnstr(). |
39 |
|
|
** |
40 |
|
|
*/ |
41 |
|
|
|
42 |
|
|
#include <curses.priv.h> |
43 |
|
|
|
44 |
|
|
MODULE_ID("$Id: lib_in_wchnstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $") |
45 |
|
|
|
46 |
|
|
NCURSES_EXPORT(int) |
47 |
|
|
win_wchnstr(WINDOW *win, cchar_t *wchstr, int n) |
48 |
|
|
{ |
49 |
|
|
int code = OK; |
50 |
|
|
|
51 |
|
|
T((T_CALLED("win_wchnstr(%p,%p,%d)"), win, wchstr, n)); |
52 |
|
|
if (win != 0 |
53 |
|
|
&& wchstr != 0) { |
54 |
|
|
NCURSES_CH_T *src; |
55 |
|
|
int row, col; |
56 |
|
|
int j, k, limit; |
57 |
|
|
|
58 |
|
|
getyx(win, row, col); |
59 |
|
|
limit = getmaxx(win) - col; |
60 |
|
|
src = &(win->_line[row].text[col]); |
61 |
|
|
|
62 |
|
|
if (n < 0) { |
63 |
|
|
n = limit; |
64 |
|
|
} else if (n > limit) { |
65 |
|
|
n = limit; |
66 |
|
|
} |
67 |
|
|
for (j = k = 0; j < n; ++j) { |
68 |
|
|
if (j == 0 || !WidecExt(src[j]) || isWidecBase(src[j])) { |
69 |
|
|
wchstr[k++] = src[j]; |
70 |
|
|
} |
71 |
|
|
} |
72 |
|
|
memset(&(wchstr[k]), 0, sizeof(*wchstr)); |
73 |
|
|
T(("result = %s", _nc_viscbuf(wchstr, n))); |
74 |
|
|
} else { |
75 |
|
|
code = ERR; |
76 |
|
|
} |
77 |
|
|
returnCode(code); |
78 |
|
|
} |