lineedit: do not hang on error, but return error indicator.

[oweals/busybox.git] / coreutils / printenv.c

diff --git a/coreutils/printenv.c b/coreutils/printenv.c
index 6971f7258eab84d1f006b4cae17f1e34070a492e..d38f8fb5f5986cdd134a78aa4b185d7fd4734711 100644 (file)
--- a/coreutils/printenv.c
+++ b/coreutils/printenv.c
@@ -5,7 +5,7 @@
  * 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.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 #include "libbb.h"
@@ -13,6 +13,8 @@
 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;
@@ -26,8 +28,10 @@ int printenv_main(int argc UNUSED_PARAM, char **argv)
                        env = getenv(arg);
                        if (env)
                                puts(env);
+                       else
+                               exit_code = EXIT_FAILURE;
                }
        }
 
-       fflush_stdout_and_exit(EXIT_SUCCESS);
+       fflush_stdout_and_exit(exit_code);
 }