From 4fb6cbc1fece58549d07554a037ab126bd6aabeb Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Mon, 24 Jul 2023 03:09:43 -0700
Subject: [PATCH] Revert "Polyfill ENOTSOCK in getsockname() and getpeername()"

This reverts commit 925219bdf392e938affd32cbea0602d55576d5c2.
---
 libc/sock/getsockname.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/libc/sock/getsockname.c b/libc/sock/getsockname.c
index 60915059e..47535ce4e 100644
--- a/libc/sock/getsockname.c
+++ b/libc/sock/getsockname.c
@@ -39,21 +39,21 @@ static int __getsockpeername(int fd, struct sockaddr *out_addr,
   uint32_t size = sizeof(ss);
 
   if (IsWindows()) {
-    if (!__isfdopen(fd)) {
-      rc = ebadf();
-    } else if (!__isfdkind(fd, kFdSocket)) {
-      rc = enotsock();
-    } else if ((rc = impl_win32(g_fds.p[fd].handle, &ss, &size))) {
-      if (impl_win32 == __sys_getsockname_nt &&
-          WSAGetLastError() == WSAEINVAL) {
-        // The socket has not been bound to an address with bind, or
-        // ADDR_ANY is specified in bind but connection has not yet
-        // occurred. -MSDN
-        ss.ss_family = ((struct SockFd *)g_fds.p[fd].extra)->family;
-        rc = 0;
-      } else {
-        rc = __winsockerr();
+    if (__isfdkind(fd, kFdSocket)) {
+      if ((rc = impl_win32(g_fds.p[fd].handle, &ss, &size))) {
+        if (impl_win32 == __sys_getsockname_nt &&
+            WSAGetLastError() == WSAEINVAL) {
+          // The socket has not been bound to an address with bind, or
+          // ADDR_ANY is specified in bind but connection has not yet
+          // occurred. -MSDN
+          ss.ss_family = ((struct SockFd *)g_fds.p[fd].extra)->family;
+          rc = 0;
+        } else {
+          rc = __winsockerr();
+        }
       }
+    } else {
+      rc = ebadf();
     }
   } else {
     rc = impl_sysv(fd, &ss, &size);