Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / fs / hfsplus / include / blockiter.h

diff --git a/qemu/roms/openbios/fs/hfsplus/include/blockiter.h b/qemu/roms/openbios/fs/hfsplus/include/blockiter.h
new file mode 100644 (file)
index 0000000..da3e480
--- /dev/null
+++ b/qemu/roms/openbios/fs/hfsplus/include/blockiter.h
@@ -0,0 +1,59 @@
+/*
+ * libhfs - library for reading and writing Macintosh HFS volumes
+ *
+ * The iterator shown here iterates over the blocks of a fork.
+ *
+ * Copyright (C) 2000 Klaus Halfmann <khalfmann@libra.de>
+ * Original work by 1996-1998 Robert Leslie <rob@mars.org>
+ * other work 2000 from Brad Boyer (flar@pants.nu)
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ * $Id: blockiter.h,v 1.1 2000/10/10 11:14:05 hasi Exp $
+ */
+
+/*  Structure of the blockiterator */
+typedef struct
+{
+    volume*        vol;        // volume we iterate over
+    UInt32         curr_block; // current, absolute block
+    UInt32         block;      // relative block in current extent
+    UInt32         max_block;  // Maximum allowed block
+    UInt32         fileId;     // id of file we iterate over
+    int                    index;      // 0 .. 7 in current extent
+    hfsp_extent*    file;      // original extent record from file
+    hfsp_extent*    e;         // current extentent under examination
+    UInt8          forktype;   // type of fork we iterate over
+    UInt8          in_extent;  // boolean  0 - in file extent
+                               //          1 - in extents file
+    extent_record   er;                // record to iterate in extents file.
+} blockiter;
+
+/* Initialize iterator for a given fork */
+extern void blockiter_init(blockiter* b, volume* vol, hfsp_fork_raw* f,
+                           UInt8 forktype, UInt32 fileId);
+
+/* find next block of the fork iterating over */
+extern int blockiter_next(blockiter *b);
+
+/* skip the indicated number of blocks */
+extern int blockiter_skip(blockiter *b, UInt32 skip);
+
+/* return current block */
+static inline UInt32 blockiter_curr(blockiter *b)
+{
+    return b->e->start_block + b->block;
+}