From 9e4e4b6d1184a098238f2394f6230e9aecc73b37 Mon Sep 17 00:00:00 2001
From: John Zaitseff <J.Zaitseff@zap.org.au>
Date: Sat, 2 Jul 2011 14:53:45 +1000
Subject: [PATCH] Add intf.h and intf.c: basic text input/output interface
 routines

---
 src/README    |  2 ++
 src/globals.h |  5 ++---
 src/intf.c    | 32 ++++++++++++++++++++++++++++++++
 src/intf.h    | 43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 79 insertions(+), 3 deletions(-)
 create mode 100644 src/intf.c
 create mode 100644 src/intf.h

diff --git a/src/README b/src/README
index f9521f3..bdacd14 100644
--- a/src/README
+++ b/src/README
@@ -13,5 +13,7 @@ source code is split up among the following files:
     system.h     - All system header files are included here
     globals.h    - Global game constants and variables
     globals.c    - Global game variables
+    intf.h       - Basic text input/output header file
+    intf.c       - Basic text input/output routines
     utils.h      - Utility functions header file
     utils.c      - Utility functions needed by Star Traders
diff --git a/src/globals.h b/src/globals.h
index a97b785..b54cbb0 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -39,9 +39,6 @@
 *                    Constants and type declarations                    *
 ************************************************************************/
 
-#define MIN_COLUMNS		(80)	/* Minimum number of columns in terminal */
-#define MIN_LINES		(24)	/* Minimum number of lines in terminal */
-
 #define MAX_X			(38)	/* Map dimensions MAP_X x MAP_Y */
 #define MAX_Y			(12)
 #define STAR_RATIO		(0.10)	/* 10% of map should be stars */
@@ -107,6 +104,8 @@ typedef enum map_val {
     MAP_LAST	= MAP_A + MAX_COMPANIES - 1
 } map_val_t;
 
+#define MAP_COMPANY(x) (MAP_A + x)
+
 
 // Information about a move
 typedef struct move_rec {
diff --git a/src/intf.c b/src/intf.c
new file mode 100644
index 0000000..3fc955c
--- /dev/null
+++ b/src/intf.c
@@ -0,0 +1,32 @@
+/************************************************************************
+*                                                                       *
+*             Star Traders: A Game of Interstellar Trading              *
+*                Copyright (C) 1990-2011, John Zaitseff                 *
+*                                                                       *
+************************************************************************/
+
+/*
+  Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  $Id$
+
+  This file, intf.c, contains the actual implementation of basic text
+  input/output routines as used in Star Traders.
+
+
+  This program is free software: you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see http://www.gnu.org/licenses/.
+*/
+
+
+#include "system.h"
+#include "intf.h"
diff --git a/src/intf.h b/src/intf.h
new file mode 100644
index 0000000..af1d82f
--- /dev/null
+++ b/src/intf.h
@@ -0,0 +1,43 @@
+/************************************************************************
+*                                                                       *
+*             Star Traders: A Game of Interstellar Trading              *
+*                Copyright (C) 1990-2011, John Zaitseff                 *
+*                                                                       *
+************************************************************************/
+
+/*
+  Author: John Zaitseff <J.Zaitseff@zap.org.au>
+  $Id$
+
+  This file, intf.h, contains function declarations for basic text input/
+  output routines for Star Traders.
+
+
+  This program is free software: you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see http://www.gnu.org/licenses/.
+*/
+
+
+#ifndef included_INTF_H
+#define included_INTF_H 1
+
+
+/************************************************************************
+*                    Constants and type declarations                    *
+************************************************************************/
+
+#define MIN_COLUMNS	(80)	/* Minimum number of columns in terminal */
+#define MIN_LINES	(24)	/* Minimum number of lines in terminal */
+
+
+#endif /* included_INTF_H */