diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_redrawln.c')
-rw-r--r-- | ncurses-5.3/ncurses/base/lib_redrawln.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_redrawln.c b/ncurses-5.3/ncurses/base/lib_redrawln.c new file mode 100644 index 0000000..c70f162 --- /dev/null +++ b/ncurses-5.3/ncurses/base/lib_redrawln.c @@ -0,0 +1,75 @@ +/**************************************************************************** + * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Thomas E. Dickey <dickey@clark.net> 1997 * + ****************************************************************************/ + +/* + * lib_redrawln.c + * + * The routine wredrawln(). + * + */ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +wredrawln(WINDOW *win, int beg, int num) +{ + int i; + int end; + size_t len = (win->_maxx + 1); + + T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num)); + + if (beg < 0) + beg = 0; + + if (touchline(win, beg, num) == ERR) + returnCode(ERR); + + end = beg + num; + if (end > curscr->_maxy + 1) + end = curscr->_maxy + 1; + if (end > win->_maxy + 1) + end = win->_maxy + 1; + + if (len > (size_t) (curscr->_maxx + 1)) + len = (size_t) (curscr->_maxx + 1); + len *= sizeof(curscr->_line[0].text[0]); + + for (i = beg; i < end; i++) { + memset(curscr->_line[i + win->_begy].text + win->_begx, 0, len); + _nc_make_oldhash(i + win->_begy); + } + + returnCode(OK); +} |