GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_instr.c Lines: 0 34 0.0 %
Date: 2017-11-07 Branches: 0 40 0.0 %

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/* $OpenBSD: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc.              *
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 *                                                                          *
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 * Permission is hereby granted, free of charge, to any person obtaining a  *
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 * copy of this software and associated documentation files (the            *
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 * "Software"), to deal in the Software without restriction, including      *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * distribute, distribute with modifications, sublicense, and/or sell       *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * furnished to do so, subject to the following conditions:                 *
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 *                                                                          *
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 * The above copyright notice and this permission notice shall be included  *
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 * in all copies or substantial portions of the Software.                   *
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 *                                                                          *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 *                                                                          *
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 * Except as contained in this notice, the name(s) of the above copyright   *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * sale, use or other dealings in this Software without prior written       *
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 * authorization.                                                           *
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 ****************************************************************************/
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/****************************************************************************
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 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
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 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
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 *     and: Thomas E. Dickey                        1996-on                 *
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 ****************************************************************************/
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/*
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**	lib_instr.c
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**
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**	The routine winnstr().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_instr.c,v 1.3 2010/01/12 23:22:06 nicm Exp $")
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NCURSES_EXPORT(int)
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winnstr(WINDOW *win, char *str, int n)
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{
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    int i = 0, row, col;
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    T((T_CALLED("winnstr(%p,%p,%d)"), win, str, n));
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    if (!str)
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	returnCode(0);
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    if (win) {
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	getyx(win, row, col);
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	if (n < 0)
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	    n = win->_maxx - win->_curx + 1;
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	for (; i < n;) {
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#if USE_WIDEC_SUPPORT
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	    cchar_t *cell = &(win->_line[row].text[col]);
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	    wchar_t *wch;
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	    attr_t attrs;
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	    short pair;
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	    int n2;
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	    bool done = FALSE;
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	    mbstate_t state;
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	    size_t i3, n3;
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	    char *tmp;
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	    if (!isWidecExt(*cell)) {
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		n2 = getcchar(cell, 0, 0, 0, 0);
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		if (n2 > 0
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		    && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) {
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		    if (getcchar(cell, wch, &attrs, &pair, 0) == OK) {
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			init_mb(state);
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			n3 = wcstombs(0, wch, 0);
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			if (isEILSEQ(n3) || (n3 == 0)) {
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			    ;
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			} else if ((int) (n3 + i) > n) {
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			    done = TRUE;
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			} else if ((tmp = typeCalloc(char, n3 + 10)) == 0) {
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			    done = TRUE;
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			} else {
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			    init_mb(state);
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			    wcstombs(tmp, wch, n3);
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			    for (i3 = 0; i3 < n3; ++i3)
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				str[i++] = tmp[i3];
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			    free(tmp);
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			}
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		    }
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		    free(wch);
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		    if (done)
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			break;
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		}
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	    }
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#else
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	    str[i++] = (char) CharOf(win->_line[row].text[col]);
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#endif
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	    if (++col > win->_maxx) {
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		break;
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	    }
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	}
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    }
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    str[i] = '\0';		/* SVr4 does not seem to count the null */
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    T(("winnstr returns %s", _nc_visbuf(str)));
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    returnCode(i);
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}