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-rw-r--r--lib/recv.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/recv.c b/lib/recv.c
index b648fc464..cd8b36d0f 100644
--- a/lib/recv.c
+++ b/lib/recv.c
@@ -32,9 +32,18 @@ ssize_t
rpl_recv (int fd, void *buf, size_t len, int flags)
{
SOCKET sock = FD_TO_SOCKET (fd);
- int r = recv (sock, buf, len, flags);
- if (r < 0)
- set_winsock_errno ();
- return r;
+ if (sock == INVALID_SOCKET)
+ {
+ errno = EBADF;
+ return -1;
+ }
+ else
+ {
+ int r = recv (sock, buf, len, flags);
+ if (r < 0)
+ set_winsock_errno ();
+
+ return r;
+ }
}