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After showing help, touchwin/wrefresh the stdscr, do not try to do 

that for form subwindow, which may be NULL (or is always, even?).

This fixes SIGSEGV when one goes to
Network related configuration -> Modify the hosts file -> Delete host entries
and presses F1 (Help).
This commit is contained in:
jdolecek 2002-07-26 08:43:26 +00:00
parent d5d1e7aa6c
commit fceac2db48
1 changed files with 3 additions and 5 deletions
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8
usr.sbin/sushi/scanform.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: scanform.c,v 1.24 2002/07/26 07:59:33 jdolecek Exp $ */
/* $NetBSD: scanform.c,v 1.25 2002/07/26 08:43:26 jdolecek Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -408,7 +408,6 @@ get_request(WINDOW *w) /* virtual key mapping */
static int
my_driver(FORM * form, int c, char *path)
{
WINDOW *subwindow;
CDKSCROLL *plist;
CDKSELECTION *slist;
CDKENTRY *entry;
@ -483,9 +482,8 @@ my_driver(FORM * form, int c, char *path)
case SHOWHELP:
if (simple_lang_handler(path, HELPFILE, handle_help) == -2)
nohelp();
subwindow = form_win(form);
touchwin(subwindow);
wrefresh(subwindow);
touchwin(stdscr);
wrefresh(stdscr);
return(FALSE);
/* NOTREACHED */
break;