From e275a746f2b6e66cb1a52d89be1e011e2eb27777 Mon Sep 17 00:00:00 2001
From: jenglish <jenglish@flightlab.com>
Date: Sat, 2 Mar 2013 07:30:15 +0000
Subject: More ifdef shuffling: GETREADQUEUE and GETWRITEQEUE always defined,
 dummy implementations return 0 if the requisite ioctls are not present.

---
 unix/tclUnixChan.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/unix/tclUnixChan.c b/unix/tclUnixChan.c
index 178c0bc..d200924 100644
--- a/unix/tclUnixChan.c
+++ b/unix/tclUnixChan.c
@@ -30,10 +30,15 @@
 #	define GETREADQUEUE(fd, int)	ioctl((fd), FIONREAD, &(int))
 #   elif defined(FIORDCHK)
 #	define GETREADQUEUE(fd, int)	int = ioctl((fd), FIORDCHK, NULL)
-#   endif /* FIONREAD */
+#   else
+#       define GETREADQUEUE(fd, int)    int = 0
+#   endif
+
 #   ifdef TIOCOUTQ
 #	define GETWRITEQUEUE(fd, int)	ioctl((fd), TIOCOUTQ, &(int))
-#   endif /* TIOCOUTQ */
+#   else
+#	define GETWRITEQUEUE(fd, int)	int = 0
+#   endif
 
 #   if !defined(CRTSCTS) && defined(CNEW_RTSCTS)
 #	define CRTSCTS CNEW_RTSCTS
@@ -875,12 +880,8 @@ TtyGetOptionProc(
 	int inQueue=0, outQueue=0, inBuffered, outBuffered;
 
 	valid = 1;
-#ifdef GETREADQUEUE
 	GETREADQUEUE(fsPtr->fd, inQueue);
-#endif /* GETREADQUEUE */
-#ifdef GETWRITEQUEUE
 	GETWRITEQUEUE(fsPtr->fd, outQueue);
-#endif /* GETWRITEQUEUE */
 	inBuffered = Tcl_InputBuffered(fsPtr->channel);
 	outBuffered = Tcl_OutputBuffered(fsPtr->channel);
 
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