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scanw.c revision 1.1 
      1 /*
      2  * Copyright (c) 1981 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)scanw.c	5.7 (Berkeley) 4/15/91";
     36 #endif /* not lint */
     37 
     38 /*
     39  * scanw and friends
     40  *
     41  */
     42 
     43 #if __STDC__
     44 #include <stdarg.h>
     45 #else
     46 #include <varargs.h>
     47 #endif
     48 #include "curses.ext"
     49 
     50 /*
     51  *	This routine implements a scanf on the standard screen.
     52  */
     53 #if __STDC__
     54 scanw(const char *fmt, ...)
     55 #else
     56 scanw(fmt, va_alist)
     57 	char *fmt;
     58 	va_dcl
     59 #endif
     60 {
     61 	va_list ap;
     62 	int ret;
     63 
     64 #if __STDC__
     65 	va_start(ap, fmt);
     66 #else
     67 	va_start(ap);
     68 #endif
     69 	ret = _sscans(stdscr, fmt, ap);
     70 	va_end(ap);
     71 	return ret;
     72 }
     73 
     74 /*
     75  *	This routine implements a scanf on the given window.
     76  */
     77 #if __STDC__
     78 wscanw(WINDOW *win, const char *fmt, ...)
     79 #else
     80 wscanw(win, fmt, va_alist)
     81 	WINDOW *win;
     82 	char *fmt;
     83 	va_dcl
     84 #endif
     85 {
     86 	va_list ap;
     87 	int ret;
     88 
     89 #if __STDC__
     90 	va_start(ap, fmt);
     91 #else
     92 	va_start(ap);
     93 #endif
     94 	ret = _sscans(win, fmt, ap);
     95 	va_end(ap);
     96 	return ret;
     97 }
     98 
     99 /*
    100  *	This routine actually executes the scanf from the window.
    101  *	THIS SHOULD BE RENAMED vwscanw AND EXPORTED
    102  */
    103 _sscans(win, fmt, ap)
    104 	WINDOW *win;
    105 #if __STDC__
    106 	const char *fmt;
    107 #else
    108 	char *fmt;
    109 #endif
    110 	va_list ap;
    111 {
    112 	char buf[100];
    113 
    114 	return wgetstr(win, buf) == OK ? vsscanf(buf, fmt, ap) : ERR;
    115 }
    116