From e4def842c0f4ed63df0196ac34ffdeb6a12304fe Mon Sep 17 00:00:00 2001
From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Tue, 8 Mar 2016 23:26:57 +0100
Subject: [PATCH] Make EOF error conditionally non-fatal (XB)

When the ICS Chat window is open, an EOF fromkeyboard is ignored.
---
 backend.c |    2 +-
 dialogs.c |    5 +++++
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/backend.c b/backend.c
index 2657808..b2cd7c3 100644
--- a/backend.c
+++ b/backend.c
@@ -1982,7 +1982,7 @@ read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count
 	DisplayFatalError(_("Error reading from keyboard"), error, 1);
     } else if (gotEof++ > 0) {
 	RemoveInputSource(isr);
-	DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
+	DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
     }
 }
 
diff --git a/dialogs.c b/dialogs.c
index 252fffa..6380b77 100644
--- a/dialogs.c
+++ b/dialogs.c
@@ -2348,6 +2348,11 @@ DisplayFatalError (String message, int error, int status)
 {
     char buf[MSG_SIZ];
 
+    if(status == 666) { // ignore this error when ICS Console window is up
+	if(shellUp[ChatDlg]) return;
+	status = 0;
+    }
+
     errorExitStatus = status;
     if (error == 0) {
 	fprintf(stderr, "%s: %s\n", programName, message);
-- 
1.7.0.4