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88 lines
3.4 KiB
C
88 lines
3.4 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2007,2009 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 E. Dickey <dickey@clark.net> 1997 *
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****************************************************************************/
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/*
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* lib_redrawln.c
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*
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* The routine wredrawln().
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*
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_redrawln.c,v 1.13 2009/04/18 18:46:00 tom Exp $")
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NCURSES_EXPORT(int)
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wredrawln(WINDOW *win, int beg, int num)
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{
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int i;
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int end;
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size_t len;
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SCREEN *sp;
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T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num));
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if (win == 0)
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returnCode(ERR);
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sp = _nc_screen_of(win);
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if (beg < 0)
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beg = 0;
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if (touchline(win, beg, num) == ERR)
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returnCode(ERR);
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if (touchline(sp->_curscr, beg + win->_begy, num) == ERR)
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returnCode(ERR);
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end = beg + num;
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if (end > sp->_curscr->_maxy + 1)
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end = sp->_curscr->_maxy + 1;
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if (end > win->_maxy + 1)
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end = win->_maxy + 1;
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len = (win->_maxx + 1);
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if (len > (size_t) (sp->_curscr->_maxx + 1))
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len = (size_t) (sp->_curscr->_maxx + 1);
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len *= sizeof(sp->_curscr->_line[0].text[0]);
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for (i = beg; i < end; i++) {
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int crow = i + win->_begy;
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memset(sp->_curscr->_line[crow].text + win->_begx, 0, len);
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NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx crow);
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}
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returnCode(OK);
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}
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