GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_addstr.c Lines: 0 76 0.0 %
Date: 2017-11-07 Branches: 0 102 0.0 %

Line Branch Exec Source
1
/* $OpenBSD: lib_addstr.c,v 1.5 2010/01/12 23:22:05 nicm Exp $ */
2
3
/****************************************************************************
4
 * Copyright (c) 1998-2006,2007 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34
 *                                                                          *
35
 *  Rewritten 2001-2004 to support wide-characters by                       *
36
 *	Sven Verdoolaege                                                    *
37
 *	Thomas Dickey                                                       *
38
 ****************************************************************************/
39
40
/*
41
**	lib_addstr.c
42
*
43
**	The routines waddnstr(), waddchnstr().
44
**
45
*/
46
47
#include <curses.priv.h>
48
49
MODULE_ID("$Id: lib_addstr.c,v 1.5 2010/01/12 23:22:05 nicm Exp $")
50
51
NCURSES_EXPORT(int)
52
waddnstr(WINDOW *win, const char *astr, int n)
53
{
54
    const char *str = astr;
55
    int code = ERR;
56
57
    T((T_CALLED("waddnstr(%p,%s,%d)"), win, _nc_visbufn(astr, n), n));
58
59
    if (win && (str != 0)) {
60
	TR(TRACE_VIRTPUT | TRACE_ATTRS,
61
	   ("... current %s", _traceattr(WINDOW_ATTRS(win))));
62
	code = OK;
63
	if (n < 0)
64
	    n = (int) strlen(astr);
65
66
	TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
67
	while ((n-- > 0) && (*str != '\0')) {
68
	    NCURSES_CH_T ch;
69
	    TR(TRACE_VIRTPUT, ("*str = %#o", UChar(*str)));
70
	    SetChar(ch, UChar(*str++), A_NORMAL);
71
	    if (_nc_waddch_nosync(win, ch) == ERR) {
72
		code = ERR;
73
		break;
74
	    }
75
	}
76
	_nc_synchook(win);
77
    }
78
    TR(TRACE_VIRTPUT, ("waddnstr returns %d", code));
79
    returnCode(code);
80
}
81
82
NCURSES_EXPORT(int)
83
waddchnstr(WINDOW *win, const chtype *astr, int n)
84
{
85
    NCURSES_SIZE_T y, x;
86
    int code = OK;
87
    int i;
88
    struct ldat *line;
89
90
    T((T_CALLED("waddchnstr(%p,%p,%d)"), win, astr, n));
91
92
    if (!win)
93
	returnCode(ERR);
94
95
    y = win->_cury;
96
    x = win->_curx;
97
    if (n < 0) {
98
	const chtype *str;
99
	n = 0;
100
	for (str = (const chtype *) astr; *str != 0; str++)
101
	    n++;
102
    }
103
    if (n > win->_maxx - x + 1)
104
	n = win->_maxx - x + 1;
105
    if (n == 0)
106
	returnCode(code);
107
108
    line = &(win->_line[y]);
109
    for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) {
110
	SetChar2(line->text[i + x], astr[i]);
111
    }
112
    CHANGED_RANGE(line, x, x + n - 1);
113
114
    _nc_synchook(win);
115
    returnCode(code);
116
}
117
118
#if USE_WIDEC_SUPPORT
119
120
NCURSES_EXPORT(int)
121
_nc_wchstrlen(const cchar_t *s)
122
{
123
    int result = 0;
124
    while (CharOf(s[result]) != L'\0') {
125
	result++;
126
    }
127
    return result;
128
}
129
130
NCURSES_EXPORT(int)
131
wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
132
{
133
    static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
134
    NCURSES_SIZE_T y;
135
    NCURSES_SIZE_T x;
136
    int code = OK;
137
    struct ldat *line;
138
    int i, j, start, len, end;
139
140
    T((T_CALLED("wadd_wchnstr(%p,%s,%d)"), win, _nc_viscbuf(astr, n), n));
141
142
    if (!win)
143
	returnCode(ERR);
144
145
    y = win->_cury;
146
    x = win->_curx;
147
    if (n < 0) {
148
	n = _nc_wchstrlen(astr);
149
    }
150
    if (n > win->_maxx - x + 1)
151
	n = win->_maxx - x + 1;
152
    if (n == 0)
153
	returnCode(code);
154
155
    line = &(win->_line[y]);
156
    start = x;
157
    end = x + n - 1;
158
159
    /*
160
     * Reset orphaned cells of multi-column characters that extend up to the
161
     * new string's location to blanks.
162
     */
163
    if (x > 0 && isWidecExt(line->text[x])) {
164
	for (i = 0; i <= x; ++i) {
165
	    if (!isWidecExt(line->text[x - i])) {
166
		/* must be isWidecBase() */
167
		start -= i;
168
		while (i > 0) {
169
		    line->text[x - i--] = _nc_render(win, blank);
170
		}
171
		break;
172
	    }
173
	}
174
    }
175
176
    /*
177
     * Copy the new string to the window.
178
     */
179
    for (i = 0; i < n && CharOf(astr[i]) != L'\0' && x <= win->_maxx; ++i) {
180
	if (isWidecExt(astr[i]))
181
	    continue;
182
183
	len = wcwidth(CharOf(astr[i]));
184
185
	if (x + len - 1 <= win->_maxx) {
186
	    line->text[x] = _nc_render(win, astr[i]);
187
	    if (len > 1) {
188
		for (j = 0; j < len; ++j) {
189
		    if (j != 0) {
190
			line->text[x + j] = line->text[x];
191
		    }
192
		    SetWidecExt(line->text[x + j], j);
193
		}
194
	    }
195
	    x += len;
196
	    end += len - 1;
197
	} else {
198
	    break;
199
	}
200
    }
201
202
    /*
203
     * Set orphaned cells of multi-column characters which lie after the new
204
     * string to blanks.
205
     */
206
    while (x <= win->_maxx && isWidecExt(line->text[x])) {
207
	line->text[x] = _nc_render(win, blank);
208
	++end;
209
	++x;
210
    }
211
    CHANGED_RANGE(line, start, end);
212
213
    _nc_synchook(win);
214
    returnCode(code);
215
}
216
217
NCURSES_EXPORT(int)
218
waddnwstr(WINDOW *win, const wchar_t *str, int n)
219
{
220
    int code = ERR;
221
222
    T((T_CALLED("waddnwstr(%p,%s,%d)"), win, _nc_viswbufn(str, n), n));
223
224
    if (win && (str != 0)) {
225
	TR(TRACE_VIRTPUT | TRACE_ATTRS,
226
	   ("... current %s", _traceattr(WINDOW_ATTRS(win))));
227
	code = OK;
228
	if (n < 0)
229
	    n = (int) wcslen(str);
230
231
	TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
232
	while ((n-- > 0) && (*str != L('\0'))) {
233
	    NCURSES_CH_T ch;
234
	    TR(TRACE_VIRTPUT, ("*str[0] = %#lx", (unsigned long) *str));
235
	    SetChar(ch, *str++, A_NORMAL);
236
	    if (wadd_wch(win, &ch) == ERR) {
237
		code = ERR;
238
		break;
239
	    }
240
	}
241
	_nc_synchook(win);
242
    }
243
    TR(TRACE_VIRTPUT, ("waddnwstr returns %d", code));
244
    returnCode(code);
245
}
246
247
#endif