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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcurses/base/lib_getstr.c	Lines:	0	78	0.0 %
Date:	2016-12-06	Branches:	0	78	0.0 %


/* $OpenBSD: lib_getstr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */

/****************************************************************************
 * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/*
**	lib_getstr.c
**
**	The routine wgetstr().
**
*/

#include <curses.priv.h>
#include <term.h>

MODULE_ID("$Id: lib_getstr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $")

/*
 * This wipes out the last character, no matter whether it was a tab, control
 * or other character, and handles reverse wraparound.
 */
static char *
WipeOut(WINDOW *win, int y, int x, char *first, char *last, bool echoed)
{
    if (last > first) {
	*--last = '\0';
	if (echoed) {
	    int y1 = win->_cury;
	    int x1 = win->_curx;

	    wmove(win, y, x);
	    waddstr(win, first);
	    getyx(win, y, x);
	    while (win->_cury < y1
		   || (win->_cury == y1 && win->_curx < x1))
		waddch(win, (chtype) ' ');

	    wmove(win, y, x);
	}
    }
    return last;
}

NCURSES_EXPORT(int)
wgetnstr_events(WINDOW *win,
		char *str,
		int maxlen,
		EVENTLIST_1st(_nc_eventlist * evl))
{
    SCREEN *sp = _nc_screen_of(win);
    TTY buf;
    bool oldnl, oldecho, oldraw, oldcbreak;
    char erasec;
    char killc;
    char *oldstr;
    int ch;
    int y, x;

    T((T_CALLED("wgetnstr(%p,%p, %d)"), win, str, maxlen));

    if (!win)
	returnCode(ERR);

    _nc_get_tty_mode(&buf);

    oldnl = sp->_nl;
    oldecho = sp->_echo;
    oldraw = sp->_raw;
    oldcbreak = sp->_cbreak;
    nl();
    noecho();
    noraw();
    cbreak();

    erasec = erasechar();
    killc = killchar();

    oldstr = str;
    getyx(win, y, x);

    if (is_wintouched(win) || (win->_flags & _HASMOVED))
	wrefresh(win);

    while ((ch = wgetch_events(win, evl)) != ERR) {
	/*
	 * Some terminals (the Wyse-50 is the most common) generate
	 * a \n from the down-arrow key.  With this logic, it's the
	 * user's choice whether to set kcud=\n for wgetch();
	 * terminating *getstr() with \n should work either way.
	 */
	if (ch == '\n'
	    || ch == '\r'
	    || ch == KEY_DOWN
	    || ch == KEY_ENTER) {
	    if (oldecho == TRUE
		&& win->_cury == win->_maxy
		&& win->_scroll)
		wechochar(win, (chtype) '\n');
	    break;
	}
#ifdef KEY_EVENT
	if (ch == KEY_EVENT)
	    break;
#endif
#ifdef KEY_RESIZE
	if (ch == KEY_RESIZE)
	    break;
#endif
	if (ch == erasec || ch == KEY_LEFT || ch == KEY_BACKSPACE) {
	    if (str > oldstr) {
		str = WipeOut(win, y, x, oldstr, str, oldecho);
	    }
	} else if (ch == killc) {
	    while (str > oldstr) {
		str = WipeOut(win, y, x, oldstr, str, oldecho);
	    }
	} else if (ch >= KEY_MIN
		   || (maxlen >= 0 && str - oldstr >= maxlen)) {
	    beep();
	} else {
	    *str++ = (char) ch;
	    if (oldecho == TRUE) {
		int oldy = win->_cury;
		if (waddch(win, (chtype) ch) == ERR) {
		    /*
		     * We can't really use the lower-right
		     * corner for input, since it'll mess
		     * up bookkeeping for erases.
		     */
		    win->_flags &= ~_WRAPPED;
		    waddch(win, (chtype) ' ');
		    str = WipeOut(win, y, x, oldstr, str, oldecho);
		    continue;
		} else if (win->_flags & _WRAPPED) {
		    /*
		     * If the last waddch forced a wrap &
		     * scroll, adjust our reference point
		     * for erasures.
		     */
		    if (win->_scroll
			&& oldy == win->_maxy
			&& win->_cury == win->_maxy) {
			if (--y <= 0) {
			    y = 0;
			}
		    }
		    win->_flags &= ~_WRAPPED;
		}
		wrefresh(win);
	    }
	}
    }

    win->_curx = 0;
    win->_flags &= ~_WRAPPED;
    if (win->_cury < win->_maxy)
	win->_cury++;
    wrefresh(win);

    /* Restore with a single I/O call, to fix minor asymmetry between
     * raw/noraw, etc.
     */
    sp->_nl = oldnl;
    sp->_echo = oldecho;
    sp->_raw = oldraw;
    sp->_cbreak = oldcbreak;

    _nc_set_tty_mode(&buf);

    *str = '\0';
    if (ch == ERR)
	returnCode(ch);

    T(("wgetnstr returns %s", _nc_visbuf(oldstr)));

#ifdef KEY_EVENT
    if (ch == KEY_EVENT)
	returnCode(ch);
#endif
#ifdef KEY_RESIZE
    if (ch == KEY_RESIZE)
	returnCode(ch);
#endif

    returnCode(OK);
}

#ifdef NCURSES_WGETCH_EVENTS
NCURSES_EXPORT(int)
wgetnstr(WINDOW *win, char *str, int maxlen)
{
    returnCode(wgetnstr_events(win,
			       str,
			       maxlen,
			       EVENTLIST_1st((_nc_eventlist *) 0)));
}
#endif


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: lib_getstr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */
2
3			/****************************************************************************
4			* Copyright (c) 1998-2006,2008 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
36			/*
37			** lib_getstr.c
38			**
39			** The routine wgetstr().
40			**
41			*/
42
43			#include <curses.priv.h>
44			#include <term.h>
45
46			MODULE_ID("$Id: lib_getstr.c,v 1.3 2010/01/12 23:22:05 nicm Exp $")
47
48			/*
49			* This wipes out the last character, no matter whether it was a tab, control
50			* or other character, and handles reverse wraparound.
51			*/
52			static char *
53			WipeOut(WINDOW win, int y, int x, char first, char *last, bool echoed)
54			{
55			if (last > first) {
56			*--last = '\0';
57			if (echoed) {
58			int y1 = win->_cury;
59			int x1 = win->_curx;
60
61			wmove(win, y, x);
62			waddstr(win, first);
63			getyx(win, y, x);
64			while (win->_cury < y1
65			\|\| (win->_cury == y1 && win->_curx < x1))
66			waddch(win, (chtype) ' ');
67
68			wmove(win, y, x);
69			}
70			}
71			return last;
72			}
73
74			NCURSES_EXPORT(int)
75			wgetnstr_events(WINDOW *win,
76			char *str,
77			int maxlen,
78			EVENTLIST_1st(_nc_eventlist * evl))
79			{
80			SCREEN *sp = _nc_screen_of(win);
81			TTY buf;
82			bool oldnl, oldecho, oldraw, oldcbreak;
83			char erasec;
84			char killc;
85			char *oldstr;
86			int ch;
87			int y, x;
88
89			T((T_CALLED("wgetnstr(%p,%p, %d)"), win, str, maxlen));
90
91			if (!win)
92			returnCode(ERR);
93
94			_nc_get_tty_mode(&buf);
95
96			oldnl = sp->_nl;
97			oldecho = sp->_echo;
98			oldraw = sp->_raw;
99			oldcbreak = sp->_cbreak;
100			nl();
101			noecho();
102			noraw();
103			cbreak();
104
105			erasec = erasechar();
106			killc = killchar();
107
108			oldstr = str;
109			getyx(win, y, x);
110
111			if (is_wintouched(win) \|\| (win->_flags & _HASMOVED))
112			wrefresh(win);
113
114			while ((ch = wgetch_events(win, evl)) != ERR) {
115			/*
116			* Some terminals (the Wyse-50 is the most common) generate
117			* a \n from the down-arrow key. With this logic, it's the
118			* user's choice whether to set kcud=\n for wgetch();
119			* terminating *getstr() with \n should work either way.
120			*/
121			if (ch == '\n'
122			\|\| ch == '\r'
123			\|\| ch == KEY_DOWN
124			\|\| ch == KEY_ENTER) {
125			if (oldecho == TRUE
126			&& win->_cury == win->_maxy
127			&& win->_scroll)
128			wechochar(win, (chtype) '\n');
129			break;
130			}
131			#ifdef KEY_EVENT
132			if (ch == KEY_EVENT)
133			break;
134			#endif
135			#ifdef KEY_RESIZE
136			if (ch == KEY_RESIZE)
137			break;
138			#endif
139			if (ch == erasec \|\| ch == KEY_LEFT \|\| ch == KEY_BACKSPACE) {
140			if (str > oldstr) {
141			str = WipeOut(win, y, x, oldstr, str, oldecho);
142			}
143			} else if (ch == killc) {
144			while (str > oldstr) {
145			str = WipeOut(win, y, x, oldstr, str, oldecho);
146			}
147			} else if (ch >= KEY_MIN
148			\|\| (maxlen >= 0 && str - oldstr >= maxlen)) {
149			beep();
150			} else {
151			*str++ = (char) ch;
152			if (oldecho == TRUE) {
153			int oldy = win->_cury;
154			if (waddch(win, (chtype) ch) == ERR) {
155			/*
156			* We can't really use the lower-right
157			* corner for input, since it'll mess
158			* up bookkeeping for erases.
159			*/
160			win->_flags &= ~_WRAPPED;
161			waddch(win, (chtype) ' ');
162			str = WipeOut(win, y, x, oldstr, str, oldecho);
163			continue;
164			} else if (win->_flags & _WRAPPED) {
165			/*
166			* If the last waddch forced a wrap &
167			* scroll, adjust our reference point
168			* for erasures.
169			*/
170			if (win->_scroll
171			&& oldy == win->_maxy
172			&& win->_cury == win->_maxy) {
173			if (--y <= 0) {
174			y = 0;
175			}
176			}
177			win->_flags &= ~_WRAPPED;
178			}
179			wrefresh(win);
180			}
181			}
182			}
183
184			win->_curx = 0;
185			win->_flags &= ~_WRAPPED;
186			if (win->_cury < win->_maxy)
187			win->_cury++;
188			wrefresh(win);
189
190			/* Restore with a single I/O call, to fix minor asymmetry between
191			* raw/noraw, etc.
192			*/
193			sp->_nl = oldnl;
194			sp->_echo = oldecho;
195			sp->_raw = oldraw;
196			sp->_cbreak = oldcbreak;
197
198			_nc_set_tty_mode(&buf);
199
200			*str = '\0';
201			if (ch == ERR)
202			returnCode(ch);
203
204			T(("wgetnstr returns %s", _nc_visbuf(oldstr)));
205
206			#ifdef KEY_EVENT
207			if (ch == KEY_EVENT)
208			returnCode(ch);
209			#endif
210			#ifdef KEY_RESIZE
211			if (ch == KEY_RESIZE)
212			returnCode(ch);
213			#endif
214
215			returnCode(OK);
216			}
217
218			#ifdef NCURSES_WGETCH_EVENTS
219			NCURSES_EXPORT(int)
220			wgetnstr(WINDOW win, char str, int maxlen)
221			{
222			returnCode(wgetnstr_events(win,
223			str,
224			maxlen,
225			EVENTLIST_1st((_nc_eventlist *) 0)));
226			}
227			#endif