dos2unix: fix the case w/o parameters

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

diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index 1911f5319bc545bb204332cb2c6810df63ea6c59..e06ecc4e0fc0499dd1d2bb89e14f8367429d6252 100644 (file)
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -92,7 +92,7 @@ int dos2unix_main(int argc UNUSED_PARAM, char **argv)
        do {
                /* might be convert(NULL) if there is no filename given */
                convert(*argv, conv_type);
-       } while (*++argv);
+       } while (*argv && *++argv);
 
        return 0;
 }