libbb: make check_password() also return CHECKPASS_PW_HAS_EMPTY_PASSWORD

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/libbb/securetty.c b/libbb/securetty.c
index 176cee129..67a123689 100644
--- a/libbb/securetty.c
+++ b/libbb/securetty.c
@@ -6,7 +6,7 @@
  */
 #include "libbb.h"
 
-int FAST_FUNC check_securetty(const char *short_tty)
+int FAST_FUNC is_tty_secure(const char *short_tty)
 {
         char *buf = (char*)"/etc/securetty"; /* any non-NULL is ok */
         parser_t *parser = config_open2("/etc/securetty", fopen_for_read);
@@ -17,6 +17,8 @@ int FAST_FUNC check_securetty(const char *short_tty)
         }
         config_close(parser);
         /* buf != NULL here if config file was not found, empty
-         * or line was found which equals short_tty */
+         * or line was found which equals short_tty.
+         * In all these cases, we report "this tty is secure".
+         */
         return buf != NULL;
 }