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59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/*
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* Mini losetup implementation for busybox
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*
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* Copyright (C) 2002 Matt Kraai.
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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 GNU
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* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <getopt.h>
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#include <stdlib.h>
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#include "busybox.h"
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int
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losetup_main (int argc, char **argv)
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{
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int delete = 0;
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int offset = 0;
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int opt;
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while ((opt = getopt (argc, argv, "do:")) != -1)
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switch (opt)
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{
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case 'd':
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delete = 1;
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break;
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case 'o':
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offset = parse_number (optarg, NULL);
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break;
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default:
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show_usage ();
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}
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if ((delete && (offset || optind + 1 != argc))
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|| (!delete && optind + 2 != argc))
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show_usage ();
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if (delete)
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return del_loop (argv[optind]) ? EXIT_SUCCESS : EXIT_FAILURE;
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else
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return set_loop (argv[optind], argv[optind + 1], offset, &opt)
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? EXIT_FAILURE : EXIT_SUCCESS;
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}
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