From 5783208d9d589f2c7b8aef8b1e8f216fe4815475 Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Tue, 15 Feb 2005 18:07:06 +0000
Subject: [PATCH] Fix a "signededness" error.

---
 src/FDM/ExternalPipe/ExternalPipe.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/FDM/ExternalPipe/ExternalPipe.cxx b/src/FDM/ExternalPipe/ExternalPipe.cxx
index fa8a409f1..d03a0fa1a 100644
--- a/src/FDM/ExternalPipe/ExternalPipe.cxx
+++ b/src/FDM/ExternalPipe/ExternalPipe.cxx
@@ -116,8 +116,10 @@ static int write_fifo( char cmd_type, int pd, char *cmd, int len ) {
     char *buf = new char[len + 3];
 
     // write 2 byte command length + command type + command
-    char hi = (len + 1) / 256;
-    char lo = (len + 1) - (hi * 256);
+    unsigned char hi = (len + 1) / 256;
+    unsigned char lo = (len + 1) - (hi * 256);
+
+    // cout << "len = " << len << " hi = " << (int)hi << " lo = " << (int)lo << endl;
 
     buf[0] = hi;
     buf[1] = lo;