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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcurses/widechar/lib_cchar.c	Lines:	0	26	0.0 %
Date:	2017-11-13	Branches:	0	24	0.0 %


/* $OpenBSD: lib_cchar.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */

/****************************************************************************
 * Copyright (c) 2001-2005,2007 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.                                                           *
 ****************************************************************************/

/*
**	lib_cchar.c
**
**	The routines setcchar() and getcchar().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_cchar.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")

/*
 * The SuSv2 description leaves some room for interpretation.  We'll assume wch
 * points to a string which is L'\0' terminated, contains at least one
 * character with strictly positive width, which must be the first, and
 * contains no characters of negative width.
 */
NCURSES_EXPORT(int)
setcchar(cchar_t *wcval,
	 const wchar_t *wch,
	 const attr_t attrs,
	 short color_pair,
	 const void *opts)
{
    int i;
    int len;
    int code = OK;

    TR(TRACE_CCALLS, (T_CALLED("setcchar(%p,%s,%lu,%d,%p)"),
		      wcval, _nc_viswbuf(wch),
		      (unsigned long) attrs, color_pair, opts));

    len = wcslen(wch);
    if (opts != NULL
	|| (len > 1 && wcwidth(wch[0]) < 0)) {
	code = ERR;
    } else {
	if (len > CCHARW_MAX)
	    len = CCHARW_MAX;

	/*
	 * If we have a following spacing-character, stop at that point.  We
	 * are only interested in adding non-spacing characters.
	 */
	for (i = 1; i < len; ++i) {
	    if (wcwidth(wch[i]) != 0) {
		len = i;
		break;
	    }
	}

	memset(wcval, 0, sizeof(*wcval));

	if (len != 0) {
	    SetAttr(*wcval, attrs | COLOR_PAIR(color_pair));
	    SetPair(CHDEREF(wcval), color_pair);
	    memcpy(&wcval->chars, wch, len * sizeof(wchar_t));
	    TR(TRACE_CCALLS, ("copy %d wchars, first is %s", len,
			      _tracecchar_t(wcval)));
	}
    }

    TR(TRACE_CCALLS, (T_RETURN("%d"), code));
    return (code);
}

NCURSES_EXPORT(int)
getcchar(const cchar_t *wcval,
	 wchar_t *wch,
	 attr_t *attrs,
	 short *color_pair,
	 void *opts)
{
    wchar_t *wp;
    int len;
    int code = ERR;

    TR(TRACE_CCALLS, (T_CALLED("getcchar(%p,%p,%p,%p,%p)"),
		      wcval, wch, attrs, color_pair, opts));

    if (opts == NULL) {
	len = (wp = wmemchr(wcval->chars, L'\0', CCHARW_MAX))
	    ? wp - wcval->chars
	    : CCHARW_MAX;

	if (wch == NULL) {
	    code = len;
	} else if (attrs == 0 || color_pair == 0) {
	    code = ERR;
	} else if (len >= 0) {
	    *attrs = AttrOf(*wcval) & A_ATTRIBUTES;
	    *color_pair = GetPair(*wcval);
	    wmemcpy(wch, wcval->chars, (unsigned) len);
	    wch[len] = L'\0';
	    code = OK;
	}
    }

    TR(TRACE_CCALLS, (T_RETURN("%d"), code));
    return (code);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: lib_cchar.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */
2
3			/****************************************************************************
4			* Copyright (c) 2001-2005,2007 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			** lib_cchar.c
33			**
34			** The routines setcchar() and getcchar().
35			**
36			*/
37
38			#include <curses.priv.h>
39
40			MODULE_ID("$Id: lib_cchar.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")
41
42			/*
43			* The SuSv2 description leaves some room for interpretation. We'll assume wch
44			* points to a string which is L'\0' terminated, contains at least one
45			* character with strictly positive width, which must be the first, and
46			* contains no characters of negative width.
47			*/
48			NCURSES_EXPORT(int)
49			setcchar(cchar_t *wcval,
50			const wchar_t *wch,
51			const attr_t attrs,
52			short color_pair,
53			const void *opts)
54			{
55			int i;
56			int len;
57			int code = OK;
58
59			TR(TRACE_CCALLS, (T_CALLED("setcchar(%p,%s,%lu,%d,%p)"),
60			wcval, _nc_viswbuf(wch),
61			(unsigned long) attrs, color_pair, opts));
62
63			len = wcslen(wch);
64			if (opts != NULL
65			\|\| (len > 1 && wcwidth(wch[0]) < 0)) {
66			code = ERR;
67			} else {
68			if (len > CCHARW_MAX)
69			len = CCHARW_MAX;
70
71			/*
72			* If we have a following spacing-character, stop at that point. We
73			* are only interested in adding non-spacing characters.
74			*/
75			for (i = 1; i < len; ++i) {
76			if (wcwidth(wch[i]) != 0) {
77			len = i;
78			break;
79			}
80			}
81
82			memset(wcval, 0, sizeof(*wcval));
83
84			if (len != 0) {
85			SetAttr(*wcval, attrs \| COLOR_PAIR(color_pair));
86			SetPair(CHDEREF(wcval), color_pair);
87			memcpy(&wcval->chars, wch, len * sizeof(wchar_t));
88			TR(TRACE_CCALLS, ("copy %d wchars, first is %s", len,
89			_tracecchar_t(wcval)));
90			}
91			}
92
93			TR(TRACE_CCALLS, (T_RETURN("%d"), code));
94			return (code);
95			}
96
97			NCURSES_EXPORT(int)
98			getcchar(const cchar_t *wcval,
99			wchar_t *wch,
100			attr_t *attrs,
101			short *color_pair,
102			void *opts)
103			{
104			wchar_t *wp;
105			int len;
106			int code = ERR;
107
108			TR(TRACE_CCALLS, (T_CALLED("getcchar(%p,%p,%p,%p,%p)"),
109			wcval, wch, attrs, color_pair, opts));
110
111			if (opts == NULL) {
112			len = (wp = wmemchr(wcval->chars, L'\0', CCHARW_MAX))
113			? wp - wcval->chars
114			: CCHARW_MAX;
115
116			if (wch == NULL) {
117			code = len;
118			} else if (attrs == 0 \|\| color_pair == 0) {
119			code = ERR;
120			} else if (len >= 0) {
121			attrs = AttrOf(wcval) & A_ATTRIBUTES;
122			color_pair = GetPair(wcval);
123			wmemcpy(wch, wcval->chars, (unsigned) len);
124			wch[len] = L'\0';
125			code = OK;
126			}
127			}
128
129			TR(TRACE_CCALLS, (T_RETURN("%d"), code));
130			return (code);
131			}