diff options
Diffstat (limited to 'winsup/cygwin/net.cc')
| -rw-r--r-- | winsup/cygwin/net.cc | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc index 437712c63..d9f51bf68 100644 --- a/winsup/cygwin/net.cc +++ b/winsup/cygwin/net.cc @@ -65,8 +65,11 @@ get (const int fd) fhandler_socket *const fh = cfd->is_socket (); - if (!fh) - set_errno (ENOTSOCK); + if (!fh || (fh->get_flags () & O_PATH)) + { + set_errno (ENOTSOCK); + return NULL; + } return fh; } @@ -641,9 +644,17 @@ extern "C" int sockatmark (int fd) { int ret; + cygheap_fdget cfd (fd); - fhandler_socket *fh = get (fd); - if (fh && fh->ioctl (SIOCATMARK, &ret) != -1) + if (cfd < 0) + return -1; + + fhandler_socket *const fh = cfd->is_socket (); + if (!fh) + set_errno (ENOTSOCK); + else if (fh->get_flags () & O_PATH) + set_errno (EBADF); + else if (fh->ioctl (SIOCATMARK, &ret) != -1) return ret; return -1; } |