GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_insch.c Lines: 0 48 0.0 %
Date: 2017-11-13 Branches: 0 43 0.0 %

Line Branch Exec Source
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/* $OpenBSD: lib_insch.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2005,2008 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: Sven Verdoolaege                                                *
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 *     and: Thomas E. Dickey                                                *
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 ****************************************************************************/
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/*
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**	lib_insch.c
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**
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**	The routine winsch().
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**
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*/
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#include <curses.priv.h>
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#include <ctype.h>
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MODULE_ID("$Id: lib_insch.c,v 1.3 2010/01/12 23:22:05 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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NCURSES_EXPORT(int)
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_nc_insert_ch(WINDOW *win, chtype ch)
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{
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    int code = OK;
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    NCURSES_CH_T wch;
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    int count;
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    NCURSES_CONST char *s;
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    switch (ch) {
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    case '\t':
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	for (count = (TABSIZE - (win->_curx % TABSIZE)); count > 0; count--) {
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	    if ((code = _nc_insert_ch(win, ' ')) != OK)
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		break;
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	}
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	break;
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    case '\n':
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    case '\r':
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    case '\b':
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	SetChar2(wch, ch);
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	_nc_waddch_nosync(win, wch);
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	break;
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    default:
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	if (
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#if USE_WIDEC_SUPPORT
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	       WINDOW_EXT(win, addch_used) == 0 &&
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#endif
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	       is8bits(ChCharOf(ch)) &&
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	       isprint(ChCharOf(ch))) {
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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 - 1;
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		SetChar2(wch, ch);
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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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		win->_curx++;
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	    }
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	} else if (is8bits(ChCharOf(ch)) && iscntrl(ChCharOf(ch))) {
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	    s = unctrl(ChCharOf(ch));
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	    while (*s != '\0') {
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		code = _nc_insert_ch(win, ChAttrOf(ch) | UChar(*s));
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		if (code != OK)
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		    break;
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		++s;
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	    }
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	}
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#if USE_WIDEC_SUPPORT
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	else {
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	    /*
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	     * Handle multibyte characters here
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	     */
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	    SetChar2(wch, ch);
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	    wch = _nc_render(win, wch);
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	    count = _nc_build_wch(win, &wch);
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	    if (count > 0) {
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		code = wins_wch(win, &wch);
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	    } else if (count == -1) {
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		/* handle EILSEQ */
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		if (is8bits(ch)) {
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		    s = unctrl(ChCharOf(ch));
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		    while (*s != '\0') {
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			code = _nc_insert_ch(win, ChAttrOf(ch) | UChar(*s));
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			if (code != OK)
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			    break;
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			++s;
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		    }
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		} else {
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		    code = ERR;
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		}
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	    }
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	}
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#endif
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	break;
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    }
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    return code;
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}
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NCURSES_EXPORT(int)
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winsch(WINDOW *win, chtype c)
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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("winsch(%p, %s)"), win, _tracechtype(c)));
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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_ch(win, c);
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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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}