Last change
on this file since 3086 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 | * Linux32/linux64 allows for changing uname emulation.
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4 | *
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5 | * Copyright 2002 Andi Kleen, SuSE Labs.
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6 | *
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7 | * Licensed under GPL v2 or later, see file License for details.
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8 | */
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9 |
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10 | #include <stdlib.h>
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11 | #include <unistd.h>
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12 | #include <string.h>
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13 | #include <errno.h>
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14 | #include <stdio.h>
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15 | #include <sys/personality.h>
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16 |
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17 | #include "busybox.h"
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18 |
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19 | int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv)
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20 | {
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21 | int pers = -1;
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22 |
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23 | /* Figure out what personality we are supposed to switch to ...
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24 | * we can be invoked as either:
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25 | * argv[0],argv[1] -> "setarch","personality"
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26 | * argv[0] -> "personality"
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27 | */
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28 | retry:
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29 | if (argv[0][5] == '6') /* linux64 */
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30 | pers = PER_LINUX;
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31 | else if (argv[0][5] == '3') /* linux32 */
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32 | pers = PER_LINUX32;
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33 | else if (pers == -1 && argv[1] != NULL) {
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34 | pers = PER_LINUX32;
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35 | ++argv;
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36 | goto retry;
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37 | }
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38 |
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39 | /* make user actually gave us something to do */
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40 | ++argv;
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41 | if (argv[0] == NULL)
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42 | bb_show_usage();
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43 |
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44 | /* Try to set personality */
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45 | if (personality(pers) >= 0) {
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46 |
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47 | /* Try to execute the program */
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48 | execvp(argv[0], argv);
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49 | }
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50 |
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51 | bb_perror_msg_and_die("%s", argv[0]);
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52 | }
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