1 files changed, 123 insertions, 0 deletions
diff --git a/3rd-party/zisofs_tools/iso9660.c b/3rd-party/zisofs_tools/iso9660.c
new file mode 100644
index 0000000..c5b0abd
--- /dev/null
+++ b/3rd-party/zisofs_tools/iso9660.c
@@ -0,0 +1,123 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* $Id: iso9660.c,v 1.1 2001/07/27 14:37:08 hpa Exp $ */
+/* ----------------------------------------------------------------------- *
+ *   
+ *   Copyright 2001 H. Peter Anvin - All Rights Reserved
+ *
+ *   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, Inc., 675 Mass Ave, Cambridge MA 02139,
+ *   USA; either version 2 of the License, or (at your option) any later
+ *   version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include "iso9660.h"
+
+/* zisofs magic */
+
+const unsigned char zisofs_magic[8] = {
+  0x37, 0xE4, 0x53, 0x96, 0xC9, 0xDB, 0xD6, 0x07
+};
+
+/* iso9660 integer formats */
+
+void
+set_721(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[0] = i & 0xff;
+  p[1] = (i >> 8) & 0xff;
+}
+
+unsigned int
+get_721(void *pnt)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  return ((unsigned int)p[0]) + ((unsigned int)p[1] << 8);
+}
+
+void
+set_722(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[0] = (i >> 8) & 0xff;
+  p[1] = i & 0xff;
+}
+
+unsigned int
+get_722(void *pnt)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  return ((unsigned int)p[0] << 8) + ((unsigned int)p[1]);
+}
+
+void
+set_723(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[3] = p[0] = i & 0xff;
+  p[2] = p[1] = (i >> 8) & 0xff;
+}
+
+#define get_723(x) get_721(x)
+
+void
+set_731(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[0] = i & 0xff;
+  p[1] = (i >> 8) & 0xff;
+  p[2] = (i >> 16) & 0xff;
+  p[3] = (i >> 24) & 0xff;
+}
+
+unsigned int
+get_731(void *pnt)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  return ((unsigned int)p[0]) + ((unsigned int)p[1] << 8) +
+    ((unsigned int)p[2] << 16) + ((unsigned int)p[3] << 24);
+}
+
+void
+set_732(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[3] = i & 0xff;
+  p[2] = (i >> 8) & 0xff;
+  p[1] = (i >> 16) & 0xff;
+  p[0] = (i >> 24) & 0xff;
+}
+
+unsigned int
+get_732(void *pnt)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  return ((unsigned int)p[0] << 24) + ((unsigned int)p[1] << 16) +
+    ((unsigned int)p[2] << 8) + ((unsigned int)p[3]);
+}
+
+void
+set_733(void *pnt, unsigned int i)
+{
+  unsigned char *p = (unsigned char *)pnt;
+  p[7] = p[0] = i & 0xff;
+  p[6] = p[1] = (i >> 8) & 0xff;
+  p[5] = p[2] = (i >> 16) & 0xff;
+  p[4] = p[3] = (i >> 24) & 0xff;
+}
+
+#define get_733(x) get_731(x)
+