Last change
on this file since 3882 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:
1.1 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Mini logname implementation for busybox
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4 | *
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5 | * Copyright (C) 2000 Edward Betts <edward@debian.org>.
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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8 | */
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9 |
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10 | /* BB_AUDIT SUSv3 compliant */
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11 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/logname.html */
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12 |
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13 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
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14 | *
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15 | * SUSv3 specifies the string used is that returned from getlogin().
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16 | * The previous implementation used getpwuid() for geteuid(), which
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17 | * is _not_ the same. Erik apparently made this change almost 3 years
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18 | * ago to avoid failing when no utmp was available. However, the
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19 | * correct course of action wrt SUSv3 for a failing getlogin() is
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20 | * a diagnostic message and an error return.
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21 | */
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22 |
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23 | #include <stdio.h>
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24 | #include <stdlib.h>
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25 | #include <unistd.h>
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26 | #include "busybox.h"
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27 |
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28 | int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
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29 | {
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30 | const char *p;
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31 |
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32 | if (argc > 1) {
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33 | bb_show_usage();
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34 | }
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35 |
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36 | if ((p = getlogin()) != NULL) {
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37 | puts(p);
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38 | bb_fflush_stdout_and_exit(EXIT_SUCCESS);
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39 | }
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40 |
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41 | bb_perror_msg_and_die("getlogin");
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42 | }
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