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author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 13:58:15 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 13:58:15 +0100 |
commit | 4aca87515a5083ae0e31ce3177189fd43b6d05ac (patch) | |
tree | 7b1d9a31393ca090757dc6f0d3859b4fcd93f271 /release/src/router/busybox/coreutils/printenv.c | |
parent | 008d0be72b2f160382c6e880765e96b64a050c65 (diff) | |
download | tomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.gz tomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.bz2 |
patch to Vanilla Tomato 1.28
Diffstat (limited to 'release/src/router/busybox/coreutils/printenv.c')
-rw-r--r-- | release/src/router/busybox/coreutils/printenv.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/release/src/router/busybox/coreutils/printenv.c b/release/src/router/busybox/coreutils/printenv.c new file mode 100644 index 00000000..2430f3a1 --- /dev/null +++ b/release/src/router/busybox/coreutils/printenv.c @@ -0,0 +1,37 @@ +/* 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" + +int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int printenv_main(int argc UNUSED_PARAM, char **argv) +{ + int exit_code = EXIT_SUCCESS; + + /* no variables specified, show whole env */ + if (!argv[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); + else + exit_code = EXIT_FAILURE; + } + } + + fflush_stdout_and_exit(exit_code); +} |