/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* instr, innstr --
* Return a string of characters at cursor position from stdscr.
*/
__warn_references(instr,
"warning: this program uses instr(), which is unsafe.")
int
instr(char *str)
{
return winstr(stdscr, str);
}
int
innstr(char *str, int n)
{
return winnstr(stdscr, str, n);
}
/*
* mvinstr, mvinnstr --
* Return a string of characters at position (y, x) from stdscr.
* XXX: should be multi-byte characters for SUSv2.
*/
__warn_references(mvinstr,
"warning: this program uses mvinstr(), which is unsafe.")
int
mvinstr(int y, int x, char *str)
{
return mvwinstr(stdscr, y, x, str);
}
int
mvinnstr(int y, int x, char *str, int n)
{
return mvwinnstr(stdscr, y, x, str, n);
}
/*
* mvwinstr, mvwinnstr --
* Return an array characters at position (y, x) from the given window.
* XXX: should be multi-byte characters for SUSv2.
*/
__warn_references(mvwinstr,
"warning: this program uses mvwinstr(), which is unsafe.")
int
mvwinstr(WINDOW *win, int y, int x, char *str)
{
if (wmove(win, y, x) == ERR)
return ERR;
return winstr(win, str);
}
int
mvwinnstr(WINDOW *win, int y, int x, char *str, int n)
{
if (wmove(win, y, x) == ERR)
return ERR;
return winnstr(win, str, n);
}
#endif /* _CURSES_USE_MACROS */
/*
* winstr, winnstr --
* Return a string of characters at cursor position.
* XXX: should be multi-byte characters for SUSv2.
*/
__warn_references(winstr,
"warning: this program uses winstr(), which is unsafe.")
int
winstr(WINDOW *win, char *str)
{
return winnstr(win, str, -1);
}
/*
* XXX: This should go in a manpage!
* - winnstr() returns the number of characters copied only of if it is
* called with n >= 0 (ie, as inchnstr(), mvinchnstr(), mvwinchnstr()
* or winchnstr()). If N < 0, it returns `OK'.
* - SUSv2/xcurses doesn't document whether the trailing NUL is included
* in the length count or not. For safety's sake it _is_ included.
* - This implementation does not (yet) support multi-byte characters
* strings.
*/
int
winnstr(WINDOW *win, char *str, int n)
{
__LDATA *end, *start;
int epos, sn;
if ((win == NULL) || (str == NULL))
return ERR;
sn = n;
start = &win->alines[win->cury]->line[win->curx];
/* (n - 1) to leave room for the trailing NUL */
if (n < 0 || (n - 1) > win->maxx - win->curx - 1) {
epos = win->maxx - 1;
n = win->maxx - win->curx;
} else {
/* extra -1 for trailing NUL */
epos = win->curx + n - 1 - 1;
n--;
}
end = &win->alines[win->cury]->line[epos];
