GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/widechar/lib_ins_wch.c Lines: 0 47 0.0 %
Date: 2017-11-13 Branches: 0 32 0.0 %

Line Branch Exec Source
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/* $OpenBSD: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 2002-2003,2005 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 2002                                              *
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 ****************************************************************************/
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/*
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**	lib_ins_wch.c
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**
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**	The routine wins_wch().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_ins_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")
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/*
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 * Insert the given character, updating the current location to simplify
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 * inserting a string.
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 */
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static int
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_nc_insert_wch(WINDOW *win, const cchar_t *wch)
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{
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    int cells = wcwidth(CharOf(CHDEREF(wch)));
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    int cell;
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    if (cells <= 0)
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	cells = 1;
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    if (win->_curx <= win->_maxx) {
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	struct ldat *line = &(win->_line[win->_cury]);
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	NCURSES_CH_T *end = &(line->text[win->_curx]);
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	NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
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	NCURSES_CH_T *temp2 = temp1 - cells;
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	CHANGED_TO_EOL(line, win->_curx, win->_maxx);
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	while (temp1 > end)
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	    *temp1-- = *temp2--;
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	*temp1 = _nc_render(win, *wch);
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	for (cell = 1; cell < cells; ++cell) {
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	    SetWidecExt(temp1[cell], cell);
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	}
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	win->_curx++;
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    }
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    return OK;
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}
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NCURSES_EXPORT(int)
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wins_wch(WINDOW *win, const cchar_t *wch)
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{
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    NCURSES_SIZE_T oy;
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    NCURSES_SIZE_T ox;
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    int code = ERR;
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    T((T_CALLED("wins_wch(%p, %s)"), win, _tracecchar_t(wch)));
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    if (win != 0) {
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	oy = win->_cury;
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	ox = win->_curx;
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	code = _nc_insert_wch(win, wch);
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	win->_curx = ox;
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	win->_cury = oy;
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	_nc_synchook(win);
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    }
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    returnCode(code);
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}
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NCURSES_EXPORT(int)
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wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
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{
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    int code = ERR;
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    NCURSES_SIZE_T oy;
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    NCURSES_SIZE_T ox;
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    const wchar_t *cp;
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    T((T_CALLED("wins_nwstr(%p,%s,%d)"), win, _nc_viswbufn(wstr, n), n));
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    if (win != 0
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	&& wstr != 0) {
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	if (n < 1)
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	    n = wcslen(wstr);
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	code = OK;
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	if (n > 0) {
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	    oy = win->_cury;
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	    ox = win->_curx;
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	    for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
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		int len = wcwidth(*cp);
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		if (len != 1 || !is8bits(*cp)) {
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		    cchar_t tmp_cchar;
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		    wchar_t tmp_wchar = *cp;
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		    memset(&tmp_cchar, 0, sizeof(tmp_cchar));
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		    (void) setcchar(&tmp_cchar,
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				    &tmp_wchar,
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				    WA_NORMAL,
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				    0,
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				    (void *) 0);
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		    code = _nc_insert_wch(win, &tmp_cchar);
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		} else {
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		    /* tabs, other ASCII stuff */
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		    code = _nc_insert_ch(win, (chtype) (*cp));
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		}
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		if (code != OK)
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		    break;
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	    }
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	    win->_curx = ox;
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	    win->_cury = oy;
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	    _nc_synchook(win);
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	}
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    }
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    returnCode(code);
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}