diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_clreol.c')
| -rw-r--r-- | ncurses-5.3/ncurses/base/lib_clreol.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_clreol.c b/ncurses-5.3/ncurses/base/lib_clreol.c new file mode 100644 index 0000000..b39d24f --- /dev/null +++ b/ncurses-5.3/ncurses/base/lib_clreol.c @@ -0,0 +1,91 @@ +/**************************************************************************** + * Copyright (c) 1998,1999,2000,2001 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + ****************************************************************************/ + +/* +** lib_clreol.c +** +** The routine wclrtoeol(). +** +*/ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +wclrtoeol(WINDOW *win) +{ + int code = ERR; + + T((T_CALLED("wclrtoeol(%p)"), win)); + + if (win) { + NCURSES_CH_T blank; + NCURSES_CH_T *ptr, *end; + struct ldat *line; + NCURSES_SIZE_T y = win->_cury; + NCURSES_SIZE_T x = win->_curx; + + /* + * If we have just wrapped the cursor, the clear applies to the + * new line, unless we are at the lower right corner. + */ + if ((win->_flags & _WRAPPED) != 0 + && y < win->_maxy) { + win->_flags &= ~_WRAPPED; + } + + /* + * There's no point in clearing if we're not on a legal + * position, either. + */ + if ((win->_flags & _WRAPPED) != 0 + || y > win->_maxy + || x > win->_maxx) + returnCode(ERR); + + blank = win->_nc_bkgd; + line = &win->_line[y]; + CHANGED_TO_EOL(line, x, win->_maxx); + + ptr = &(line->text[x]); + end = &(line->text[win->_maxx]); + + while (ptr <= end) + *ptr++ = blank; + + _nc_synchook(win); + code = OK; + } + returnCode(code); +} |