X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=test%2Fditto.c;h=387f7077f757303fccce7f27aa3b100616b620ea;hb=cb9a015f6669e86dd5db0fcdf1a6d74c7ea5df55;hp=b8aebac93c5678f28f94604b4354e52006bfe3c4;hpb=8f527f87c0b979d9c2598ef5c3394463af288468;p=ncurses.git

diff --git a/test/ditto.c b/test/ditto.c
index b8aebac9..387f7077 100644
--- a/test/ditto.c
+++ b/test/ditto.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,7 +29,7 @@
 /*
  * Author: Thomas E. Dickey (1998-on)
  *
- * $Id: ditto.c,v 1.32 2008/08/04 13:21:41 tom Exp $
+ * $Id: ditto.c,v 1.35 2009/10/24 21:33:24 tom Exp $
  *
  * The program illustrates how to set up multiple screens from a single
  * program.
@@ -43,7 +43,6 @@
  */
 #include <test.priv.h>
 #include <sys/stat.h>
-#include <errno.h>
 
 #ifdef USE_PTHREADS
 #include <pthread.h>
@@ -137,8 +136,8 @@ peek_fifo(FIFO * fifo, PEEK * peek)
 {
     int result = -1;
     if (peek->sequence < fifo->sequence) {
-	peek->sequence += 1;
 	result = fifo->data[THIS_FIFO(peek->sequence)];
+	peek->sequence += 1;
     }
     return result;
 }
@@ -188,7 +187,11 @@ open_tty(char *path)
 }
 
 static void
-init_screen(SCREEN *sp GCC_UNUSED, void *arg)
+init_screen(
+#if HAVE_USE_WINDOW
+	       SCREEN *sp GCC_UNUSED,
+#endif
+	       void *arg)
 {
     DITTO *target = (DITTO *) arg;
     int high, wide;
@@ -237,6 +240,7 @@ open_screen(DITTO * target, char **source, int length, int which1)
     target->which1 = which1;
     target->titles = source;
     target->length = length;
+    target->fifo.head = -1;
     target->screen = newterm((char *) 0,	/* assume $TERM is the same */
 			     target->output,
 			     target->input);
@@ -248,9 +252,15 @@ open_screen(DITTO * target, char **source, int length, int which1)
 }
 
 static int
-close_screen(SCREEN *sp GCC_UNUSED, void *arg GCC_UNUSED)
+close_screen(
+#if HAVE_USE_WINDOW
+		SCREEN *sp GCC_UNUSED,
+#endif
+		void *arg GCC_UNUSED)
 {
+#if HAVE_USE_WINDOW
     (void) sp;
+#endif
     (void) arg;
     return endwin();
 }
@@ -259,7 +269,11 @@ close_screen(SCREEN *sp GCC_UNUSED, void *arg GCC_UNUSED)
  * Read data from the 'source' screen.
  */
 static int
-read_screen(SCREEN *sp GCC_UNUSED, void *arg)
+read_screen(
+#if HAVE_USE_WINDOW
+	       SCREEN *sp GCC_UNUSED,
+#endif
+	       void *arg)
 {
     DDATA *data = (DDATA *) arg;
     DITTO *ditto = &(data->ditto[data->source]);
@@ -278,7 +292,11 @@ read_screen(SCREEN *sp GCC_UNUSED, void *arg)
  * Write all of the data that's in fifos for the 'target' screen.
  */
 static int
-write_screen(SCREEN *sp GCC_UNUSED, void *arg GCC_UNUSED)
+write_screen(
+#if HAVE_USE_WINDOW
+		SCREEN *sp GCC_UNUSED,
+#endif
+		void *arg GCC_UNUSED)
 {
     DDATA *data = (DDATA *) arg;
     DITTO *ditto = &(data->ditto[data->target]);