pmt: initial 3.0.2 update

jni/parted/libparted/fs/amiga/apfs.c

@@ -0,0 +1,128 @@
+/*
+    apfs.c -- parted support for apfs file systems
+    Copyright (C) 1998-2000, 2007, 2009-2014, 2019-2023 Free Software
+    Foundation, Inc.
+
+    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 <config.h>
+
+#include <parted/parted.h>
+#include <parted/debug.h>
+#include <parted/endian.h>
+
+#include "amiga.h"
+#include "apfs.h"
+
+#if ENABLE_NLS
+#  include <libintl.h>
+#  define _(String) dgettext (PACKAGE, String)
+#else
+#  define _(String) (String)
+#endif /* ENABLE_NLS */
+
+static int
+_apfs_probe_root (uint32_t *block, uint32_t blocksize, uint32_t kind) {
+	if (PED_BE32_TO_CPU (block[0]) != kind) return 0;
+	return 1;
+}
+
+static PedGeometry*
+_generic_apfs_probe (PedGeometry* geom, uint32_t kind)
+{
+	uint32_t *block;
+	PedSector root;
+	struct PartitionBlock * part;
+	uint32_t blocksize = 1, reserved = 2;
+
+	PED_ASSERT (geom != NULL);
+	PED_ASSERT (geom->dev != NULL);
+	if (geom->dev->sector_size != 512)
+		return NULL;
+
+	/* Finds the blocksize and reserved values of the partition block */
+	if (!(part = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
+		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+			_("%s : Failed to allocate partition block\n"), __func__);
+		goto error_part;
+	}
+	if (amiga_find_part(geom, part) != NULL) {
+		reserved = PED_BE32_TO_CPU (part->de_Reserved);
+		blocksize = PED_BE32_TO_CPU (part->de_SizeBlock)
+			* PED_BE32_TO_CPU (part->de_SectorPerBlock) / 128;
+	}
+	free (part);
+
+	/* Test boot block */
+	if (!(block = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
+		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+			_("%s : Failed to allocate block\n"), __func__);
+		goto error_block;
+	}
+	if (!ped_device_read (geom->dev, block, geom->start, blocksize)) {
+		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+			_("%s : Couldn't read boot block %llu\n"), __func__, geom->start);
+		goto error;
+	}
+	if (PED_BE32_TO_CPU (block[0]) != kind) {
+		goto error;
+	}
+
+	/* Find and test the root block */
+	root = geom->start+reserved*blocksize;
+	if (!ped_device_read (geom->dev, block, root, blocksize)) {
+		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+			_("%s : Couldn't read root block %llu\n"), __func__, root);
+		goto error;
+	}
+	if (_apfs_probe_root(block, blocksize, kind) == 1) {
+		free(block);
+		return ped_geometry_duplicate (geom);
+	}
+
+error:
+	free (block);
+error_block:
+error_part:
+	return NULL;
+}
+
+static PedGeometry*
+_apfs1_probe (PedGeometry* geom) {
+	return _generic_apfs_probe (geom, 0x50463101);
+}
+
+static PedGeometry*
+_apfs2_probe (PedGeometry* geom) {
+	return _generic_apfs_probe (geom, 0x50463102);
+}
+
+static PedFileSystemOps _apfs1_ops = {
+	probe:		_apfs1_probe,
+};
+static PedFileSystemOps _apfs2_ops = {
+	probe:		_apfs2_probe,
+};
+
+PedFileSystemType _apfs1_type = {
+       next:		 NULL,
+       ops:		 &_apfs1_ops,
+       name:		 "apfs1",
+};
+PedFileSystemType _apfs2_type = {
+       next:		 NULL,
+       ops:		 &_apfs2_ops,
+       name:		 "apfs2",
+};