mirror of
https://github.com/sheumann/hush.git
synced 2024-11-05 21:04:56 +00:00
35 lines
774 B
C
35 lines
774 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* printenv implementation for busybox
|
|
*
|
|
* Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
|
|
* Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
extern char **environ;
|
|
|
|
int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int printenv_main(int argc, char **argv)
|
|
{
|
|
/* no variables specified, show whole env */
|
|
if (argc == 1) {
|
|
int e = 0;
|
|
while (environ[e])
|
|
puts(environ[e++]);
|
|
} else {
|
|
/* search for specified variables and print them out if found */
|
|
char *arg, *env;
|
|
|
|
while ((arg = *++argv) != NULL) {
|
|
env = getenv(arg);
|
|
if (env)
|
|
puts(env);
|
|
}
|
|
}
|
|
|
|
fflush_stdout_and_exit(0);
|
|
}
|