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 06d68d0ef48693782b7f741942d4b87da19d62b5..d38f8fb5f5986cdd134a78aa4b185d7fd4734711 100644 (file)
--- a/coreutils/printenv.c
+++ b/coreutils/printenv.c
@@ -5,16 +5,18 @@
  * 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"
 
 int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int printenv_main(int argc, char **argv)
+int printenv_main(int argc UNUSED_PARAM, char **argv)
 {
+       int exit_code = EXIT_SUCCESS;
+
        /* no variables specified, show whole env */
-       if (argc == 1) {
+       if (!argv[1]) {
                int e = 0;
                while (environ[e])
                        puts(environ[e++]);
@@ -26,8 +28,10 @@ int printenv_main(int argc, char **argv)
                        env = getenv(arg);
                        if (env)
                                puts(env);
+                       else
+                               exit_code = EXIT_FAILURE;
                }
        }
 
-       fflush_stdout_and_exit(0);
+       fflush_stdout_and_exit(exit_code);
 }