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Last change
on this file since 2899 was 2725, checked in by Bruno Cornec, 13 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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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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