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printenv: fix "printenv VAR1 VAR2" bug (wasn't printing VAR2) (spotted by kalyanatejaswi balabhadrapatruni <kalyanatejaswi@yahoo.co.in>) env_main 267 260 -7 printenv_main 147 75 -72 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-79) Total: -79 bytes text data bss dec hex filename 770336 1096 11228 782660 bf144 busybox_old 770256 1096 11228 782580 bf0f4 busybox_unstripped
35 lines
750 B
C
35 lines
750 B
C
/* vi: set sw=4 ts=4: */
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/*
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* printenv implementation for busybox
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*
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* Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
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* Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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extern char **environ;
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int printenv_main(int argc, char **argv);
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int printenv_main(int argc, char **argv)
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{
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/* no variables specified, show whole env */
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if (argc == 1) {
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int e = 0;
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while (environ[e])
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puts(environ[e++]);
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} else {
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/* search for specified variables and print them out if found */
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char *arg, *env;
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while ((arg = *++argv) != NULL) {
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env = getenv(arg);
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if (env)
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puts(env);
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}
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}
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fflush_stdout_and_exit(0);
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}
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