108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* $NetBSD: help.c,v 1.2 1995/03/21 12:14:38 cgd Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Barry Brachman.
|
|
*
|
|
* 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)help.c 8.1 (Berkeley) 6/11/93";
|
|
#else
|
|
static char rcsid[] = "$NetBSD: help.c,v 1.2 1995/03/21 12:14:38 cgd Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <curses.h>
|
|
#include <stdio.h>
|
|
|
|
#include "bog.h"
|
|
#include "extern.h"
|
|
|
|
int
|
|
help()
|
|
{
|
|
extern int nlines;
|
|
int eof, i;
|
|
FILE *fp;
|
|
WINDOW *win;
|
|
char buf[BUFSIZ];
|
|
|
|
if ((fp = fopen(HELPFILE, "r")) == NULL)
|
|
return(-1);
|
|
win = newwin(0, 0, 0, 0);
|
|
clearok(win, 1);
|
|
|
|
eof = 0;
|
|
if (ungetc(getc(fp), fp) == EOF) {
|
|
wprintw(win, "There doesn't seem to be any help.");
|
|
eof = 1; /* Nothing there... */
|
|
}
|
|
|
|
while (!eof) {
|
|
for (i = 0; i < nlines - 3; i++) {
|
|
if (fgets(buf, sizeof(buf), fp) == (char *) NULL) {
|
|
eof = 1;
|
|
break;
|
|
}
|
|
if (buf[0] == '.' && buf[1] == '\n')
|
|
break;
|
|
wprintw(win, "%s", buf);
|
|
}
|
|
if (eof || ungetc(getc(fp), fp) == EOF) {
|
|
eof = 1;
|
|
break;
|
|
}
|
|
wmove(win, nlines - 1, 0);
|
|
wprintw(win,
|
|
"Type <space> to continue, anything else to quit...");
|
|
wrefresh(win);
|
|
if ((inputch() & 0177) != ' ')
|
|
break;
|
|
wclear(win);
|
|
}
|
|
|
|
fclose(fp);
|
|
if (eof) {
|
|
wmove(win, nlines - 1, 0);
|
|
wprintw(win, "Hit any key to continue...");
|
|
wrefresh(win);
|
|
inputch();
|
|
}
|
|
delwin(win);
|
|
clearok(stdscr, 1);
|
|
refresh();
|
|
return(0);
|
|
}
|