1 /* guestfish - the filesystem interactive shell
2 * Copyright (C) 2010 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 /* guestfish man command */
31 do_man (const char *cmd, int argc, char *argv[])
34 fprintf (stderr, _("use 'man' without parameters to open the manual\n"));
38 /* We have to restore SIGPIPE to the default action around the
39 * external 'man' command to avoid the warning 'gzip: stdout: Broken pipe'.
41 struct sigaction sa, old_sa;
42 memset (&sa, 0, sizeof sa);
43 sa.sa_handler = SIG_DFL;
44 sigaction (SIGPIPE, &sa, &old_sa);
46 int r = system ("man 1 guestfish");
48 sigaction (SIGPIPE, &old_sa, NULL);
52 if (!WIFEXITED (r) || WEXITSTATUS (r) != 0) {
53 fprintf (stderr, _("the external 'man' program failed\n"));