cpio: if longopts are enabled, accept --null (synonym for -0)

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

1 files changed, 1 insertions, 0 deletions

diff --git a/archival/cpio.c b/archival/cpio.c
index 01f82379e..9cacf9de6 100644
--- a/archival/cpio.c
+++ b/archival/cpio.c
@@ -376,6 +376,7 @@ int cpio_main(int argc UNUSED_PARAM, char **argv)
 #endif
                 "owner\0"        Required_argument "R"
                 "verbose\0"      No_argument       "v"
+                "null\0"         No_argument       "0"
                 "quiet\0"        No_argument       "\xff"
                 "to-stdout\0"    No_argument       "\xfe"
                 ;