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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcurses/tinfo/lib_options.c	Lines:	0	81	0.0 %
Date:	2017-11-07	Branches:	0	60	0.0 %


/* $OpenBSD: lib_options.c,v 1.10 2010/01/12 23:22:06 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>                         *
 *     and: Thomas E. Dickey                        1996-on                 *
 ****************************************************************************/

/*
**	lib_options.c
**
**	The routines to handle option setting.
**
*/

#include <curses.priv.h>

#include <term.h>

MODULE_ID("$Id: lib_options.c,v 1.10 2010/01/12 23:22:06 nicm Exp $")

static int _nc_curs_set(SCREEN *, int);
static int _nc_meta(SCREEN *, bool);

NCURSES_EXPORT(int)
idlok(WINDOW *win, bool flag)
{
    T((T_CALLED("idlok(%p,%d)"), win, flag));

    if (win) {
	_nc_idlok = win->_idlok = (flag && (has_il() || change_scroll_region));
	returnCode(OK);
    } else
	returnCode(ERR);
}

NCURSES_EXPORT(void)
idcok(WINDOW *win, bool flag)
{
    T((T_CALLED("idcok(%p,%d)"), win, flag));

    if (win)
	_nc_idcok = win->_idcok = (flag && has_ic());

    returnVoid;
}

NCURSES_EXPORT(int)
halfdelay(int t)
{
    T((T_CALLED("halfdelay(%d)"), t));

    if (t < 1 || t > 255 || SP == 0)
	returnCode(ERR);

    cbreak();
    SP->_cbreak = t + 1;
    returnCode(OK);
}

NCURSES_EXPORT(int)
nodelay(WINDOW *win, bool flag)
{
    T((T_CALLED("nodelay(%p,%d)"), win, flag));

    if (win) {
	if (flag == TRUE)
	    win->_delay = 0;
	else
	    win->_delay = -1;
	returnCode(OK);
    } else
	returnCode(ERR);
}

NCURSES_EXPORT(int)
notimeout(WINDOW *win, bool f)
{
    T((T_CALLED("notimeout(%p,%d)"), win, f));

    if (win) {
	win->_notimeout = f;
	returnCode(OK);
    } else
	returnCode(ERR);
}

NCURSES_EXPORT(void)
wtimeout(WINDOW *win, int delay)
{
    T((T_CALLED("wtimeout(%p,%d)"), win, delay));

    if (win) {
	win->_delay = delay;
    }
    returnVoid;
}

NCURSES_EXPORT(int)
keypad(WINDOW *win, bool flag)
{
    T((T_CALLED("keypad(%p,%d)"), win, flag));

    if (win) {
	win->_use_keypad = flag;
	returnCode(_nc_keypad(SP, flag));
    } else
	returnCode(ERR);
}

NCURSES_EXPORT(int)
meta(WINDOW *win GCC_UNUSED, bool flag)
{
    int result;

    /* Ok, we stay relaxed and don't signal an error if win is NULL */
    T((T_CALLED("meta(%p,%d)"), win, flag));
    result = _nc_meta(SP, flag);
    returnCode(result);
}

/* curs_set() moved here to narrow the kernel interface */

NCURSES_EXPORT(int)
curs_set(int vis)
{
    int result;

    T((T_CALLED("curs_set(%d)"), vis));
    result = _nc_curs_set(SP, vis);
    returnCode(result);
}

NCURSES_EXPORT(int)
typeahead(int fd)
{
    T((T_CALLED("typeahead(%d)"), fd));
    if (SP != 0) {
	SP->_checkfd = fd;
	returnCode(OK);
    } else {
	returnCode(ERR);
    }
}

/*
**      has_key()
**
**      Return TRUE if the current terminal has the given key
**
*/

#if NCURSES_EXT_FUNCS
static int
has_key_internal(int keycode, TRIES * tp)
{
    if (tp == 0)
	return (FALSE);
    else if (tp->value == keycode)
	return (TRUE);
    else
	return (has_key_internal(keycode, tp->child)
		|| has_key_internal(keycode, tp->sibling));
}

NCURSES_EXPORT(int)
has_key(int keycode)
{
    T((T_CALLED("has_key(%d)"), keycode));
    returnCode(SP != 0 ? has_key_internal(keycode, SP->_keytry) : FALSE);
}
#endif /* NCURSES_EXT_FUNCS */

/*
 * Internal entrypoints use SCREEN* parameter to obtain capabilities rather
 * than cur_term.
 */
#undef CUR
#define CUR (sp->_term)->type.

static int
_nc_putp(const char *name GCC_UNUSED, const char *value)
{
    int rc = ERR;

    if (value) {
	TPUTS_TRACE(name);
	rc = putp(value);
    }
    return rc;
}

static int
_nc_putp_flush(const char *name, const char *value)
{
    int rc = _nc_putp(name, value);
    if (rc != ERR) {
	_nc_flush();
    }
    return rc;
}

/* Turn the keypad on/off
 *
 * Note:  we flush the output because changing this mode causes some terminals
 * to emit different escape sequences for cursor and keypad keys.  If we don't
 * flush, then the next wgetch may get the escape sequence that corresponds to
 * the terminal state _before_ switching modes.
 */
NCURSES_EXPORT(int)
_nc_keypad(SCREEN *sp, bool flag)
{
    int rc = ERR;

    if (sp != 0) {
#ifdef USE_PTHREADS
	/*
	 * We might have this situation in a multithreaded application that
	 * has wgetch() reading in more than one thread.  putp() and below
	 * may use SP explicitly.
	 */
	if (_nc_use_pthreads && sp != SP) {
	    SCREEN *save_sp;

	    /* cannot use use_screen(), since that is not in tinfo library */
	    _nc_lock_global(curses);
	    save_sp = SP;
	    _nc_set_screen(sp);
	    rc = _nc_keypad(sp, flag);
	    _nc_set_screen(save_sp);
	    _nc_unlock_global(curses);
	} else
#endif
	{
	    if (flag) {
		(void) _nc_putp_flush("keypad_xmit", keypad_xmit);
	    } else if (!flag && keypad_local) {
		(void) _nc_putp_flush("keypad_local", keypad_local);
	    }

	    if (flag && !sp->_tried) {
		_nc_init_keytry(sp);
		sp->_tried = TRUE;
	    }
	    sp->_keypad_on = flag;
	    rc = OK;
	}
    }
    return (rc);
}

static int
_nc_curs_set(SCREEN *sp, int vis)
{
    int result = ERR;

    T((T_CALLED("curs_set(%d)"), vis));
    if (sp != 0 && vis >= 0 && vis <= 2) {
	int cursor = sp->_cursor;

	if (vis == cursor) {
	    result = cursor;
	} else {
	    switch (vis) {
	    case 2:
		result = _nc_putp_flush("cursor_visible", cursor_visible);
		break;
	    case 1:
		result = _nc_putp_flush("cursor_normal", cursor_normal);
		break;
	    case 0:
		result = _nc_putp_flush("cursor_invisible", cursor_invisible);
		break;
	    }
	    if (result != ERR)
		result = (cursor == -1 ? 1 : cursor);
	    sp->_cursor = vis;
	}
    }
    returnCode(result);
}

static int
_nc_meta(SCREEN *sp, bool flag)
{
    int result = ERR;

    /* Ok, we stay relaxed and don't signal an error if win is NULL */

    if (SP != 0) {
	SP->_use_meta = flag;

	if (flag) {
	    _nc_putp("meta_on", meta_on);
	} else {
	    _nc_putp("meta_off", meta_off);
	}
	result = OK;
    }
    return result;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: lib_options.c,v 1.10 2010/01/12 23:22:06 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			* and: Thomas E. Dickey 1996-on *
35			****************************************************************************/
36
37			/*
38			** lib_options.c
39			**
40			** The routines to handle option setting.
41			**
42			*/
43
44			#include <curses.priv.h>
45
46			#include <term.h>
47
48			MODULE_ID("$Id: lib_options.c,v 1.10 2010/01/12 23:22:06 nicm Exp $")
49
50			static int _nc_curs_set(SCREEN *, int);
51			static int _nc_meta(SCREEN *, bool);
52
53			NCURSES_EXPORT(int)
54			idlok(WINDOW *win, bool flag)
55			{
56			T((T_CALLED("idlok(%p,%d)"), win, flag));
57
58			if (win) {
59			_nc_idlok = win->_idlok = (flag && (has_il() \|\| change_scroll_region));
60			returnCode(OK);
61			} else
62			returnCode(ERR);
63			}
64
65			NCURSES_EXPORT(void)
66			idcok(WINDOW *win, bool flag)
67			{
68			T((T_CALLED("idcok(%p,%d)"), win, flag));
69
70			if (win)
71			_nc_idcok = win->_idcok = (flag && has_ic());
72
73			returnVoid;
74			}
75
76			NCURSES_EXPORT(int)
77			halfdelay(int t)
78			{
79			T((T_CALLED("halfdelay(%d)"), t));
80
81			if (t < 1 \|\| t > 255 \|\| SP == 0)
82			returnCode(ERR);
83
84			cbreak();
85			SP->_cbreak = t + 1;
86			returnCode(OK);
87			}
88
89			NCURSES_EXPORT(int)
90			nodelay(WINDOW *win, bool flag)
91			{
92			T((T_CALLED("nodelay(%p,%d)"), win, flag));
93
94			if (win) {
95			if (flag == TRUE)
96			win->_delay = 0;
97			else
98			win->_delay = -1;
99			returnCode(OK);
100			} else
101			returnCode(ERR);
102			}
103
104			NCURSES_EXPORT(int)
105			notimeout(WINDOW *win, bool f)
106			{
107			T((T_CALLED("notimeout(%p,%d)"), win, f));
108
109			if (win) {
110			win->_notimeout = f;
111			returnCode(OK);
112			} else
113			returnCode(ERR);
114			}
115
116			NCURSES_EXPORT(void)
117			wtimeout(WINDOW *win, int delay)
118			{
119			T((T_CALLED("wtimeout(%p,%d)"), win, delay));
120
121			if (win) {
122			win->_delay = delay;
123			}
124			returnVoid;
125			}
126
127			NCURSES_EXPORT(int)
128			keypad(WINDOW *win, bool flag)
129			{
130			T((T_CALLED("keypad(%p,%d)"), win, flag));
131
132			if (win) {
133			win->_use_keypad = flag;
134			returnCode(_nc_keypad(SP, flag));
135			} else
136			returnCode(ERR);
137			}
138
139			NCURSES_EXPORT(int)
140			meta(WINDOW *win GCC_UNUSED, bool flag)
141			{
142			int result;
143
144			/* Ok, we stay relaxed and don't signal an error if win is NULL */
145			T((T_CALLED("meta(%p,%d)"), win, flag));
146			result = _nc_meta(SP, flag);
147			returnCode(result);
148			}
149
150			/* curs_set() moved here to narrow the kernel interface */
151
152			NCURSES_EXPORT(int)
153			curs_set(int vis)
154			{
155			int result;
156
157			T((T_CALLED("curs_set(%d)"), vis));
158			result = _nc_curs_set(SP, vis);
159			returnCode(result);
160			}
161
162			NCURSES_EXPORT(int)
163			typeahead(int fd)
164			{
165			T((T_CALLED("typeahead(%d)"), fd));
166			if (SP != 0) {
167			SP->_checkfd = fd;
168			returnCode(OK);
169			} else {
170			returnCode(ERR);
171			}
172			}
173
174			/*
175			** has_key()
176			**
177			** Return TRUE if the current terminal has the given key
178			**
179			*/
180
181			#if NCURSES_EXT_FUNCS
182			static int
183			has_key_internal(int keycode, TRIES * tp)
184			{
185			if (tp == 0)
186			return (FALSE);
187			else if (tp->value == keycode)
188			return (TRUE);
189			else
190			return (has_key_internal(keycode, tp->child)
191			\|\| has_key_internal(keycode, tp->sibling));
192			}
193
194			NCURSES_EXPORT(int)
195			has_key(int keycode)
196			{
197			T((T_CALLED("has_key(%d)"), keycode));
198			returnCode(SP != 0 ? has_key_internal(keycode, SP->_keytry) : FALSE);
199			}
200			#endif /* NCURSES_EXT_FUNCS */
201
202			/*
203			* Internal entrypoints use SCREEN* parameter to obtain capabilities rather
204			* than cur_term.
205			*/
206			#undef CUR
207			#define CUR (sp->_term)->type.
208
209			static int
210			_nc_putp(const char name GCC_UNUSED, const char value)
211			{
212			int rc = ERR;
213
214			if (value) {
215			TPUTS_TRACE(name);
216			rc = putp(value);
217			}
218			return rc;
219			}
220
221			static int
222			_nc_putp_flush(const char name, const char value)
223			{
224			int rc = _nc_putp(name, value);
225			if (rc != ERR) {
226			_nc_flush();
227			}
228			return rc;
229			}
230
231			/* Turn the keypad on/off
232			*
233			* Note: we flush the output because changing this mode causes some terminals
234			* to emit different escape sequences for cursor and keypad keys. If we don't
235			* flush, then the next wgetch may get the escape sequence that corresponds to
236			* the terminal state _before_ switching modes.
237			*/
238			NCURSES_EXPORT(int)
239			_nc_keypad(SCREEN *sp, bool flag)
240			{
241			int rc = ERR;
242
243			if (sp != 0) {
244			#ifdef USE_PTHREADS
245			/*
246			* We might have this situation in a multithreaded application that
247			* has wgetch() reading in more than one thread. putp() and below
248			* may use SP explicitly.
249			*/
250			if (_nc_use_pthreads && sp != SP) {
251			SCREEN *save_sp;
252
253			/* cannot use use_screen(), since that is not in tinfo library */
254			_nc_lock_global(curses);
255			save_sp = SP;
256			_nc_set_screen(sp);
257			rc = _nc_keypad(sp, flag);
258			_nc_set_screen(save_sp);
259			_nc_unlock_global(curses);
260			} else
261			#endif
262			{
263			if (flag) {
264			(void) _nc_putp_flush("keypad_xmit", keypad_xmit);
265			} else if (!flag && keypad_local) {
266			(void) _nc_putp_flush("keypad_local", keypad_local);
267			}
268
269			if (flag && !sp->_tried) {
270			_nc_init_keytry(sp);
271			sp->_tried = TRUE;
272			}
273			sp->_keypad_on = flag;
274			rc = OK;
275			}
276			}
277			return (rc);
278			}
279
280			static int
281			_nc_curs_set(SCREEN *sp, int vis)
282			{
283			int result = ERR;
284
285			T((T_CALLED("curs_set(%d)"), vis));
286			if (sp != 0 && vis >= 0 && vis <= 2) {
287			int cursor = sp->_cursor;
288
289			if (vis == cursor) {
290			result = cursor;
291			} else {
292			switch (vis) {
293			case 2:
294			result = _nc_putp_flush("cursor_visible", cursor_visible);
295			break;
296			case 1:
297			result = _nc_putp_flush("cursor_normal", cursor_normal);
298			break;
299			case 0:
300			result = _nc_putp_flush("cursor_invisible", cursor_invisible);
301			break;
302			}
303			if (result != ERR)
304			result = (cursor == -1 ? 1 : cursor);
305			sp->_cursor = vis;
306			}
307			}
308			returnCode(result);
309			}
310
311			static int
312			_nc_meta(SCREEN *sp, bool flag)
313			{
314			int result = ERR;
315
316			/* Ok, we stay relaxed and don't signal an error if win is NULL */
317
318			if (SP != 0) {
319			SP->_use_meta = flag;
320
321			if (flag) {
322			_nc_putp("meta_on", meta_on);
323			} else {
324			_nc_putp("meta_off", meta_off);
325			}
326			result = OK;
327			}
328			return result;
329			}