diff options
Diffstat (limited to 'ext/socket/ancdata.c')
-rw-r--r-- | ext/socket/ancdata.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c index 099e7d3e1b..2ab4f20102 100644 --- a/ext/socket/ancdata.c +++ b/ext/socket/ancdata.c @@ -1117,7 +1117,11 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #if defined(HAVE_ST_MSG_CONTROL) struct cmsghdr *cmh; size_t maxctllen; - char ctlbuf0[4096], *ctlbuf; + union { + char bytes[4096]; + struct cmsghdr align; + } ctlbuf0; + char *ctlbuf; VALUE ctl_str = Qnil; #endif @@ -1170,7 +1174,7 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #if defined(HAVE_ST_MSG_CONTROL) if (maxctllen <= sizeof(ctlbuf0)) - ctlbuf = ctlbuf0; + ctlbuf = ctlbuf0.bytes; else { if (NIL_P(ctl_str)) ctl_str = rb_str_tmp_new(maxctllen); |