Last change
on this file since 1925 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
903 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Mini readlink implementation for busybox
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4 | *
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5 | * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
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6 | *
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7 | * Licensed under GPL v2, see file LICENSE in this tarball for details.
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8 | */
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9 |
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10 | #include "busybox.h"
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11 | #include <errno.h>
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12 | #include <unistd.h>
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13 | #include <stdlib.h>
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14 | #include <getopt.h>
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15 |
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16 | #define READLINK_FLAG_f (1 << 0)
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17 |
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18 | int readlink_main(int argc, char **argv)
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19 | {
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20 | char *buf;
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21 | unsigned long opt = ENABLE_FEATURE_READLINK_FOLLOW ?
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22 | bb_getopt_ulflags(argc, argv, "f") : 0;
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23 |
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24 | if (argc != (ENABLE_FEATURE_READLINK_FOLLOW ? optind + 1 : 2))
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25 | bb_show_usage();
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26 |
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27 | if (opt & READLINK_FLAG_f)
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28 | buf = realpath(argv[optind], bb_common_bufsiz1);
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29 | else
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30 | buf = xreadlink(argv[ENABLE_FEATURE_READLINK_FOLLOW ? optind : 1]);
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31 |
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32 | if (!buf)
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33 | return EXIT_FAILURE;
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34 | puts(buf);
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35 |
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36 | if (ENABLE_FEATURE_CLEAN_UP && buf != bb_common_bufsiz1)
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37 | free(buf);
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38 |
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39 | return EXIT_SUCCESS;
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40 | }
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