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/* guestfish - the filesystem interactive shell
* Copyright (C) 2010-2011 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/wait.h>
#include "fish.h"
/* guestfish man command */
int
run_man (const char *cmd, size_t argc, char *argv[])
{
if (argc != 0) {
fprintf (stderr, _("use 'man' without parameters to open the manual\n"));
return -1;
}
/* We have to restore SIGPIPE to the default action around the
* external 'man' command to avoid the warning 'gzip: stdout: Broken pipe'.
*/
struct sigaction sa, old_sa;
memset (&sa, 0, sizeof sa);
sa.sa_handler = SIG_DFL;
sigaction (SIGPIPE, &sa, &old_sa);
int r = system ("man 1 guestfish");
sigaction (SIGPIPE, &old_sa, NULL);
if (r != 0)
return -1;
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0) {
fprintf (stderr, _("the external 'man' program failed\n"));
return -1;
}
return 0;
}
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