freebsd-src/lib/libcurses/scanw.c
1994-05-27 05:00:24 +00:00

176 lines
3.8 KiB
C

/*
* Copyright (c) 1981, 1993
* The Regents of the University of California. All rights reserved.
*
* 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 by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*/
#ifndef lint
static char sccsid[] = "@(#)scanw.c 8.2 (Berkeley) 10/5/93";
#endif /* not lint */
/*
* scanw and friends.
*/
#include <curses.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
/*
* scanw --
* Implement a scanf on the standard screen.
*/
int
#ifdef __STDC__
scanw(const char *fmt, ...)
#else
scanw(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
va_list ap;
int ret;
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
ret = vwscanw(stdscr, fmt, ap);
va_end(ap);
return (ret);
}
/*
* wscanw --
* Implements a scanf on the given window.
*/
int
#ifdef __STDC__
wscanw(WINDOW *win, const char *fmt, ...)
#else
wscanw(win, fmt, va_alist)
WINDOW *win;
char *fmt;
va_dcl
#endif
{
va_list ap;
int ret;
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
ret = vwscanw(win, fmt, ap);
va_end(ap);
return (ret);
}
/*
* mvscanw, mvwscanw --
* Implement the mvscanw commands. Due to the variable number of
* arguments, they cannot be macros. Another sigh....
*/
int
#ifdef __STDC__
mvscanw(register int y, register int x, const char *fmt,...)
#else
mvscanw(y, x, fmt, va_alist)
register int y, x;
char *fmt;
va_dcl
#endif
{
va_list ap;
int ret;
if (move(y, x) != OK)
return (ERR);
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
ret = vwscanw(stdscr, fmt, ap);
va_end(ap);
return (ret);
}
int
#ifdef __STDC__
mvwscanw(register WINDOW * win, register int y, register int x,
const char *fmt, ...)
#else
mvwscanw(win, y, x, fmt, va_alist)
register WINDOW *win;
register int y, x;
char *fmt;
va_dcl
#endif
{
va_list ap;
int ret;
if (move(y, x) != OK)
return (ERR);
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
ret = vwscanw(win, fmt, ap);
va_end(ap);
return (ret);
}
/*
* vwscanw --
* This routine actually executes the scanf from the window.
*/
int
vwscanw(win, fmt, ap)
WINDOW *win;
const char *fmt;
va_list ap;
{
char buf[1024];
return (wgetstr(win, buf) == OK ?
vsscanf(buf, fmt, ap) : ERR);
}