ncursesw-morphos/ncurses/base/lib_delch.c
Thomas E. Dickey 3a0d9d27e0 ncurses 5.7 - patch 20091024
+ quiet some pedantic gcc warnings.
+ modify _nc_wgetch() to check for a -1 in the fifo, e.g., after a
  SIGWINCH, and discard that value, to avoid confusing application
  (patch by Eygene Ryabinkin, FreeBSD bin/136223).
2009-10-25 01:06:00 +00:00

70 lines
3.0 KiB
C

/****************************************************************************
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/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
** lib_delch.c
**
** The routine wdelch().
**
*/
#include <curses.priv.h>
MODULE_ID("$Id: lib_delch.c,v 1.13 2009/10/24 22:32:47 tom Exp $")
NCURSES_EXPORT(int)
wdelch(WINDOW *win)
{
int code = ERR;
T((T_CALLED("wdelch(%p)"), (void *) win));
if (win) {
NCURSES_CH_T blank = win->_nc_bkgd;
struct ldat *line = &(win->_line[win->_cury]);
NCURSES_CH_T *end = &(line->text[win->_maxx]);
NCURSES_CH_T *temp2 = &(line->text[win->_curx + 1]);
NCURSES_CH_T *temp1 = temp2 - 1;
CHANGED_TO_EOL(line, win->_curx, win->_maxx);
while (temp1 < end)
*temp1++ = *temp2++;
*temp1 = blank;
_nc_synchook(win);
code = OK;
}
returnCode(code);
}