+/****************************************************************************
+ * Copyright (c) 1998 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. *
+ ****************************************************************************/
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
/*
** lib_touch.c
#include <curses.priv.h>
-MODULE_ID("$Id: lib_touch.c,v 1.3 1997/02/02 00:26:15 tom Exp $")
+MODULE_ID("$Id: lib_touch.c,v 1.5 1998/02/11 12:13:54 tom Exp $")
int is_linetouched(WINDOW *win, int line)
{
T((T_CALLED("is_linetouched(%p,%d)"), win, line));
/* XSI doesn't define any error */
- if (line > win->_maxy || line < 0)
+ if (!win || (line > win->_maxy) || (line < 0))
returnCode(ERR);
returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
T((T_CALLED("is_wintouched(%p)"), win));
- for (i = 0; i <= win->_maxy; i++)
- if (win->_line[i].firstchar != _NOCHANGE)
- returnCode(TRUE);
+ if (win)
+ for (i = 0; i <= win->_maxy; i++)
+ if (win->_line[i].firstchar != _NOCHANGE)
+ returnCode(TRUE);
returnCode(FALSE);
}
T((T_CALLED("wtouchln(%p,%d,%d,%d)"), win, y, n, changed));
+ if (!win || (n<0) || (y<0) || (y>win->_maxy))
+ returnCode(ERR);
+
for (i = y; i < y+n; i++) {
+ if (i>win->_maxy) break;
win->_line[i].firstchar = changed ? 0 : _NOCHANGE;
win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE;
}