Updating to reflect the latest work.

[zilutils.git] / zilasm / header.c

diff --git a/zilasm/header.c b/zilasm/header.c
new file mode 100644 (file)
index 0000000..8eb0c34
--- /dev/null
+++ b/zilasm/header.c
@@ -0,0 +1,41 @@
+/*
+ * header.c -- part of ZilUtils/ZilAsm
+ *
+ * Copyright (C) 2016 Jason Self <j@jxself.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#include <string.h>  /* bzero */
+#include <assert.h>
+
+#include "header.h"
+
+Program_header_struct Program_header;
+
+const unsigned MAX_HEADER_LEN = 40;
+
+void program_header_reset(unsigned zversion)
+{
+       bzero(&Program_header, sizeof(Program_header));
+       Program_header.version = zversion;
+}
+
+ZMemblock *program_header_build(void)
+{
+       ZMemblock *zmb = zmem_init(MAX_HEADER_LEN);
+       zmem_putbyte(zmb, Program_header.version);
+       /* TODO */
+       return zmb;
+}