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67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* guestfish - guest filesystem shell
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* Copyright (C) 2010-2025 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <libintl.h>
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#include <sys/wait.h>
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#include "fish.h"
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/**
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* guestfish C<man> command
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*/
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int
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run_man (const char *cmd, size_t argc, char *argv[])
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{
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if (argc != 0) {
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fprintf (stderr, _("use ‘man’ without parameters to open the manual\n"));
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return -1;
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}
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/* We have to restore SIGPIPE to the default action around the
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* external 'man' command to avoid the warning 'gzip: stdout: Broken pipe'.
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*/
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struct sigaction sa, old_sa;
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memset (&sa, 0, sizeof sa);
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sa.sa_handler = SIG_DFL;
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sigaction (SIGPIPE, &sa, &old_sa);
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int r = system ("man 1 guestfish");
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sigaction (SIGPIPE, &old_sa, NULL);
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if (r != 0)
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return -1;
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if (!WIFEXITED (r) || WEXITSTATUS (r) != 0) {
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char status_string[80];
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fprintf (stderr, "%s\n",
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guestfs_int_exit_status_to_string (r, "man",
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status_string,
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sizeof status_string));
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return -1;
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}
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return 0;
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}
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