BSD 4_4_Lite2 release

[unix-history] / usr / src / contrib / nvi.1.43 / PORT / curses / printw.c

/*
* Copyright (c) 1981, 1993, 1994
*      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[] = "@(#)printw.c    8.3 (Berkeley) 5/4/94";
#endif  /* not lint */

#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

#include "curses.h"

/*
* printw and friends.
*
* These routines make nonportable assumptions about varargs if __STDC__
* is not in effect.
*/

static int __winwrite __P((void *, const char *, int));

/*
* printw --
*      Printf on the standard screen.
*/
int
#ifdef __STDC__
printw(const char *fmt, ...)
#else
printw(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 = vwprintw(stdscr, fmt, ap);
       va_end(ap);
       return (ret);
}

/*
* wprintw --
*      Printf on the given window.
*/
int
#ifdef __STDC__
wprintw(WINDOW * win, const char *fmt, ...)
#else
wprintw(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 = vwprintw(win, fmt, ap);
       va_end(ap);
       return (ret);
}

/*
* mvprintw, mvwprintw --
*      Implement the mvprintw commands.  Due to the variable number of
*      arguments, they cannot be macros.  Sigh....
*/
int
#ifdef __STDC__
mvprintw(register int y, register int x, const char *fmt, ...)
#else
mvprintw(y, x, fmt, va_alist)
       register int y, x;
       char *fmt;
       va_dcl
#endif
{
       va_list ap;
       int ret;

#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       if (move(y, x) != OK)
               return (ERR);
       ret = vwprintw(stdscr, fmt, ap);
       va_end(ap);
       return (ret);
}

int
#ifdef __STDC__
mvwprintw(register WINDOW * win, register int y, register int x,
   const char *fmt, ...)
#else
mvwprintw(win, y, x, fmt, va_alist)
       register WINDOW *win;
       register int y, x;
       char *fmt;
       va_dcl
#endif
{
       va_list ap;
       int ret;

#ifdef __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       if (wmove(win, y, x) != OK)
               return (ERR);

       ret = vwprintw(win, fmt, ap);
       va_end(ap);
       return (ret);
}

/*
* Internal write-buffer-to-window function.
*/
static int
__winwrite(cookie, buf, n)
       void *cookie;
       register const char *buf;
       int n;
{
       register WINDOW *win;
       register int c;

       for (c = n, win = cookie; --c >= 0;)
               if (waddch(win, *buf++) == ERR)
                       return (-1);
       return (n);
}

/*
* vwprintw --
*      This routine actually executes the printf and adds it to the window.
*/
int
vwprintw(win, fmt, ap)
       WINDOW *win;
       const char *fmt;
       va_list ap;
{
       FILE *f;

       if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL)
               return (ERR);
       (void)vfprintf(f, fmt, ap);
       return (fclose(f) ? ERR : OK);
}