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Diffstat (limited to 'lib/getsockname.c')
-rw-r--r--lib/getsockname.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/getsockname.c b/lib/getsockname.c
index d48f26f23..6cdfa9ea1 100644
--- a/lib/getsockname.c
+++ b/lib/getsockname.c
@@ -32,9 +32,18 @@ int
rpl_getsockname (int fd, struct sockaddr *addr, socklen_t *addrlen)
{
SOCKET sock = FD_TO_SOCKET (fd);
- int r = getsockname (sock, addr, addrlen);
- if (r < 0)
- set_winsock_errno ();
- return r;
+ if (sock == INVALID_SOCKET)
+ {
+ errno = EBADF;
+ return -1;
+ }
+ else
+ {
+ int r = getsockname (sock, addr, addrlen);
+ if (r < 0)
+ set_winsock_errno ();
+
+ return r;
+ }
}