xref: /openbsd-src/lib/libcurses/base/lib_insnstr.c (revision 5a38ef86d0b61900239c7913d24a05e7b88a58f0)
1 /* $OpenBSD: lib_insnstr.c,v 1.1 2010/01/12 23:22:06 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 2004 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      *
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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,   *
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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     *
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28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Thomas E. Dickey                                                *
33  ****************************************************************************/
34 
35 /*
36 **	lib_insnstr.c
37 **
38 **	The routine winsnstr().
39 **
40 */
41 
42 #include <curses.priv.h>
43 #include <ctype.h>
44 
45 MODULE_ID("$Id: lib_insnstr.c,v 1.1 2010/01/12 23:22:06 nicm Exp $")
46 
47 NCURSES_EXPORT(int)
48 winsnstr(WINDOW *win, const char *s, int n)
49 {
50     int code = ERR;
51     NCURSES_SIZE_T oy;
52     NCURSES_SIZE_T ox;
53     const unsigned char *str = (const unsigned char *) s;
54     const unsigned char *cp;
55 
56     T((T_CALLED("winsnstr(%p,%s,%d)"), win, _nc_visbufn(s, n), n));
57 
58     if (win != 0 && str != 0) {
59 	oy = win->_cury;
60 	ox = win->_curx;
61 	for (cp = str; *cp && (n <= 0 || (cp - str) < n); cp++) {
62 	    _nc_insert_ch(win, (chtype) UChar(*cp));
63 	}
64 	win->_curx = ox;
65 	win->_cury = oy;
66 	_nc_synchook(win);
67 	code = OK;
68     }
69     returnCode(code);
70 }
71