Last change
on this file since 3364 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
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-
Property svn:eol-style
set to
native
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File size:
882 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * printenv implementation for busybox
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4 | *
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5 | * Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
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6 | * Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
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7 | *
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8 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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9 | */
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10 |
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11 | #include "libbb.h"
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12 |
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13 | /* This is a NOFORK applet. Be very careful! */
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14 |
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15 | int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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16 | int printenv_main(int argc UNUSED_PARAM, char **argv)
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17 | {
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18 | int exit_code = EXIT_SUCCESS;
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19 |
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20 | /* no variables specified, show whole env */
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21 | if (!argv[1]) {
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22 | int e = 0;
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23 | while (environ[e])
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24 | puts(environ[e++]);
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25 | } else {
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26 | /* search for specified variables and print them out if found */
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27 | char *arg, *env;
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28 |
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29 | while ((arg = *++argv) != NULL) {
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30 | env = getenv(arg);
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31 | if (env)
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32 | puts(env);
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33 | else
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34 | exit_code = EXIT_FAILURE;
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35 | }
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36 | }
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37 |
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38 | fflush_stdout_and_exit(exit_code);
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39 | }
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