1 files changed, 125 insertions, 0 deletions
diff --git a/isofs/iso9660.h b/isofs/iso9660.h
new file mode 100644
index 00000000..2fd8cc2b
--- /dev/null
+++ b/isofs/iso9660.h
@@ -0,0 +1,125 @@
+/* 
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Written by Thomas Bushnell, n/BSG.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd 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 2, or (at
+   your option) any later version.
+
+   The GNU Hurd 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+/* Specification of ISO 9660 format */
+
+/* Volume descriptor */
+
+struct voldesc 
+{
+  unsigned char type;
+  unsigned char id[5];
+  unsigned char version;
+  unsigned char data[0];
+};
+
+/* Volume descriptor types */
+#define VOLDESC_PRIMARY 1
+#define VOLDESC_END 255
+
+/* We don't support any other types */
+
+/* Expected ID */
+#define ISO_STANDARD_ID "CD001"
+
+/* Primary descriptor */
+struct sblock
+{
+  unsigned char type;
+  unsigned char id[5];
+  unsigned char version;
+  unsigned char skip1;
+  unsigned char sysid[32];
+  unsigned char volid[32];
+  unsigned char skip2[8];
+  unsigned char vol_sp_size[8];		/* total number of logical blocks */
+  unsigned char skip[32];
+  unsigned char vol_set_size[4];
+  unsigned char vol_seqno[4];
+  unsigned char blksize[4];		/* logical block size */
+  unsigned char ptsize[8];
+  unsigned char type_l_pt[4];
+  unsigned char opt_type_l_pt[4];
+  unsigned char type_m_pt[4];
+  unsigned char opt_type_m_pt[4];
+  unsigned char root[34];
+  unsigned char volset_id[128];
+  unsigned char pub_id[128];
+  unsigned char prep_id[128];
+  unsigned char app_id[128];
+  unsigned char copyr_id[37];
+  unsigned char abstr_id[37];
+  unsigned char biblio_id[37];
+  unsigned char creation_time[17];
+  unsigned char mod_time[17];
+  unsigned char expir_time[17];
+  unsigned char effect_time[17];
+  unsigned char file_structure;
+  unsigned char skip4;
+  unsigned char appl_data[512];
+  unsigned char skip5[652];
+};
+
+/* Directory record */
+struct dirrect
+{
+  unsigned char len;
+  unsigned char ext_attr_len;
+  unsigned char extent[8];
+  unsigned char size[8];
+  unsigned char date[7];
+  unsigned char flags;
+  unsigned char file_unit_size;
+  unsigned char ileave;
+  unsigned char vol_seqno[4];
+  unsigned char namelen;
+  unsigned char name[0];
+};
+
+
+
+/* Numeric conversions for these fields */
+
+#include <endian.h>
+
+static inline unsigned int 
+isonum_733 (unsigned char *addr)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+  return *(unsigned int *)addr;
+#elif BYTE_ORDER == BIG_ENDIAN
+  return *(unsigned int *)(addr + 4);
+#else
+  return
+    addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
+#endif
+}
+
+static inline unsigned int
+isonum_723 (unsigned char *addr)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+  return *(unsigned short *)addr;
+#elif BYTE_ORDER == BIG_ENDIAN
+  return *(unsigned short *)addr + 2;
+#else
+  return addr[0] | (addr[1] << 8);
+#endif
+}