diff options
Diffstat (limited to 'ext/socket/ancdata.c')
| -rw-r--r-- | ext/socket/ancdata.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c index db5e7fd657..3e6431ebbf 100644 --- a/ext/socket/ancdata.c +++ b/ext/socket/ancdata.c @@ -1153,7 +1153,7 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) data = argv[0]; if (1 < argc) vflags = argv[1]; if (2 < argc) dest_sockaddr = argv[2]; - controls_num = argc - 3; + controls_num = 3 < argc ? argc - 3 : 0; #if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) if (3 < argc) { controls_ptr = &argv[3]; } #endif |