[PATCH 1/1] Cygwin: AF_INET and AF_LOCAL: recv_internal: fix MSG_WAITALL support

[Ken Brown via Cygwin-patches]

If MSG_WAITALL is set, recv_internal calls WSARecv or WSARecvFrom in a
loop, in an effort to fill all the scatter-gather buffers.  The test
for whether all the buffers are full was previously incorrect.
---
 winsup/cygwin/fhandler_socket_inet.cc  | 2 +-
 winsup/cygwin/fhandler_socket_local.cc | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_socket_inet.cc 
b/winsup/cygwin/fhandler_socket_inet.cc
index 71e92e341..bc08d3cf1 100644
--- a/winsup/cygwin/fhandler_socket_inet.cc
+++ b/winsup/cygwin/fhandler_socket_inet.cc
@@ -1208,7 +1208,7 @@ fhandler_socket_inet::recv_internal (LPWSAMSG wsamsg, 
bool use_recvmsg)
                  --wsacnt;
                }
            }
-         if (!wret)
+         if (!wsacnt)
            break;
        }
       else if (WSAGetLastError () != WSAEWOULDBLOCK)
diff --git a/winsup/cygwin/fhandler_socket_local.cc 
b/winsup/cygwin/fhandler_socket_local.cc
index 8bfba225a..c94bf828f 100644
--- a/winsup/cygwin/fhandler_socket_local.cc
+++ b/winsup/cygwin/fhandler_socket_local.cc
@@ -1212,7 +1212,7 @@ fhandler_socket_local::recv_internal (LPWSAMSG wsamsg, 
bool use_recvmsg)
                  --wsacnt;
                }
            }
-         if (!wret)
+         if (!wsacnt)
            break;
        }
       else if (WSAGetLastError () != WSAEWOULDBLOCK)
-- 
2.28.0