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-rw-r--r--lib/connect.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/lib/connect.c b/lib/connect.c
index 730331b52..1d4fcdd9e 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -32,16 +32,25 @@ int
rpl_connect (int fd, const struct sockaddr *sockaddr, socklen_t len)
{
SOCKET sock = FD_TO_SOCKET (fd);
- int r = connect (sock, sockaddr, len);
- if (r < 0)
- {
- /* EINPROGRESS is not returned by WinSock 2.0; for backwards
- compatibility, connect(2) uses EWOULDBLOCK. */
- if (WSAGetLastError () == WSAEWOULDBLOCK)
- WSASetLastError (WSAEINPROGRESS);
- set_winsock_errno ();
+ if (sock == INVALID_SOCKET)
+ {
+ errno = EBADF;
+ return -1;
+ }
+ else
+ {
+ int r = connect (sock, sockaddr, len);
+ if (r < 0)
+ {
+ /* EINPROGRESS is not returned by WinSock 2.0; for backwards
+ compatibility, connect(2) uses EWOULDBLOCK. */
+ if (WSAGetLastError () == WSAEWOULDBLOCK)
+ WSASetLastError (WSAEINPROGRESS);
+
+ set_winsock_errno ();
+ }
+
+ return r;
}
-
- return r;
}