* cygheap.cc (creturn): Reorganize to avoid a new compiler warning/error.

* dtable.cc (handle_to_fn): Ditto.
* fhandler_console.cc (fhandler_console::read): Ditto.
(fhandler_console::scroll_screen): Ditto.
(dev_console::set_color): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::write): Ditto.
(fhandler_dev_dsp::read): Ditto.
* fhandler_tape.cc (mtinfo_drive::get_status): Ditto.
* hookapi.cc (find_first_notloaded_dll): Ditto.
* mmap.cc (msync): Ditto.
* pipe.cc (pipesync::pipesync): Ditto.
* sec_acl.cc (getace): Ditto.
* sec_auth.cc (create_token): Ditto.
(lsaauth): Ditto.
* select.cc (peek_pipe): Ditto.
* spawn.cc (av::fixup): Ditto.
* syscalls.cc (popen): Ditto.
* tty.cc (tty::init_session): Ditto.
* uinfo.cc (pwdgrp::load): Ditto.
* fhandler.cc (fhandler_base::setup_overlapped): Ditto.
(fhandler_base::wait_overlapped): Rename second use of res variable to wres or
errors are not returned correctly.
* dcrt0.cc: Remove obsolete variable.
* dll_init.cc (release_upto): Fix typo involving incorrect use of '|'.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Avoid a compiler
warning regarding coercing type-punned variables.
(fhandler_base::fstat_by_name): Ditto.  fhandler_fifo.cc
(fhandler_fifo::open_nonserver): Fix = vs.  == typo.
(fhandler_fifo::wait): Add all conditions to switch statement to avoid a
compiler warning.
* fhandler_process.cc: Avoid unneeded initialization of variables to zero.
(fhandler_socket::listen): Add braces around initializer.
* flock.cc (inode_t::get_all_locks_list): Reorganize to avoid a compiler
warning.  Fix problem with EWOULDBLOCK error return.
* path.cc (GUID_shortcut): Use braces around struct initializer.
(cygwin_conv_path): Reorganize to avoid a compiler warning.
* random.cc (dummy): Mark variable as volatile to avoid a "used uninitialized"
warning.
* libc/getopt.c: Mark some variables as dllexport although gcc doesn't seem to
do the right thing with them.
* libc/minires-os-if.c (get_registry_dns_items): Coerce some function arguments
to avoid a compiler warning.

1 files changed, 11 insertions, 6 deletions

diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index a97d949ee..00b8f2a50 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -34,7 +34,7 @@ fhandler_fifo::open_nonserver (const char *npname, unsigned low_flags,
   DWORD mode = 0;
   if (low_flags == O_RDONLY)
     mode = GENERIC_READ;
-  else if (low_flags = O_WRONLY)
+  else if (low_flags == O_WRONLY)
     mode = GENERIC_WRITE;
   else
     mode = GENERIC_READ | GENERIC_WRITE;
@@ -131,11 +131,16 @@ fhandler_fifo::wait (bool iswrite)
   switch (wait_state)
     {
     case fifo_wait_for_client:
-      bool res = ConnectNamedPipe (get_handle (), get_overlapped ());
-      DWORD dummy_bytes;
-      if (res || GetLastError () == ERROR_PIPE_CONNECTED)
-	return true;
-      return wait_overlapped (res, iswrite, &dummy_bytes);
+      {
+	bool res = ConnectNamedPipe (get_handle (), get_overlapped ());
+	DWORD dummy_bytes;
+	if (res || GetLastError () == ERROR_PIPE_CONNECTED)
+	  return true;
+	return wait_overlapped (res, iswrite, &dummy_bytes);
+      }
+    case fifo_unknown:
+    case fifo_wait_for_server:
+      /* CGF FIXME SOON: test if these really need to be handled. */
     default:
       break;
     }