GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/widechar/lib_inwstr.c Lines: 0 20 0.0 %
Date: 2017-11-13 Branches: 0 26 0.0 %

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/* $OpenBSD: lib_inwstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 2002,2004 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: Thomas Dickey                                                    *
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 ****************************************************************************/
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/*
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**	lib_inwstr.c
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**
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**	The routines winnwstr() and winwstr().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_inwstr.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")
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NCURSES_EXPORT(int)
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winnwstr(WINDOW *win, wchar_t *wstr, int n)
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{
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    int row, col, inx;
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    int count = 0;
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    int last = 0;
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    cchar_t *text;
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    wchar_t wch;
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    T((T_CALLED("winnwstr(%p,%p,%d)"), win, wstr, n));
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    if (wstr != 0) {
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	if (win) {
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	    getyx(win, row, col);
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	    text = win->_line[row].text;
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	    while (count < n && count != ERR) {
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		if (!isWidecExt(text[col])) {
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		    for (inx = 0; (inx < CCHARW_MAX)
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			 && ((wch = text[col].chars[inx]) != 0);
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			 ++inx) {
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			if (count + 1 > n) {
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			    if ((count = last) == 0) {
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				count = ERR;	/* error if we store nothing */
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			    }
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			    break;
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			}
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			wstr[count++] = wch;
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		    }
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		}
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		last = count;
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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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	if (count > 0) {
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	    wstr[count] = '\0';
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	    T(("winnwstr returns %s", _nc_viswbuf(wstr)));
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	}
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    }
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    returnCode(count);
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}
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/*
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 * X/Open says winwstr() returns OK if not ERR.  If that is not a blunder, it
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 * must have a null termination on the string (see above).  Unlike winnstr(),
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 * it does not define what happens for a negative count with winnwstr().
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 */
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NCURSES_EXPORT(int)
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winwstr(WINDOW *win, wchar_t *wstr)
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{
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    int result = OK;
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    T((T_CALLED("winwstr(%p,%p)"), win, wstr));
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    if (winnwstr(win, wstr, CCHARW_MAX * (win->_maxx - win->_curx + 1)) == ERR)
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	result = ERR;
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    returnCode(result);
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}