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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:16:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:16:34 +0000
commita398d2c2b5fd6ab0545d8bb019f9a970b2309404 (patch)
tree272fc7ab226258d7ceddee12c8c682c8e711c2b0 /libparted/fs/reiserfs/reiserfs.c
parentInitial commit. (diff)
downloadparted-upstream.tar.xz
parted-upstream.zip
Adding upstream version 3.6.upstream/3.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libparted/fs/reiserfs/reiserfs.c')
-rw-r--r--libparted/fs/reiserfs/reiserfs.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/libparted/fs/reiserfs/reiserfs.c b/libparted/fs/reiserfs/reiserfs.c
new file mode 100644
index 0000000..0638f3e
--- /dev/null
+++ b/libparted/fs/reiserfs/reiserfs.c
@@ -0,0 +1,94 @@
+/*
+ reiserfs.c -- ReiserFS detection
+ Copyright (C) 2001-2002, 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 <uuid/uuid.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <parted/parted.h>
+#include <parted/debug.h>
+#include <parted/endian.h>
+
+#if ENABLE_NLS
+# include <libintl.h>
+# define _(String) dgettext (PACKAGE, String)
+#else
+# define _(String) (String)
+#endif
+
+#include "reiserfs.h"
+
+static PedSector reiserfs_super_offset[] = { 128, 16, -1 };
+static PedFileSystemType* reiserfs_type;
+
+static PedGeometry *reiserfs_probe(PedGeometry *geom)
+{
+ int i;
+
+ PED_ASSERT(geom != NULL);
+ reiserfs_super_block_t *sb = alloca (geom->dev->sector_size);
+
+ for (i = 0; reiserfs_super_offset[i] != -1; i++) {
+ if (reiserfs_super_offset[i] >= geom->length)
+ continue;
+ if (!ped_geometry_read (geom, sb, reiserfs_super_offset[i], 1))
+ continue;
+
+ if (strncmp(REISERFS_SIGNATURE, sb->s_magic,
+ strlen(REISERFS_SIGNATURE)) == 0
+ || strncmp(REISER2FS_SIGNATURE, sb->s_magic,
+ strlen(REISER2FS_SIGNATURE)) == 0
+ || strncmp(REISER3FS_SIGNATURE, sb->s_magic,
+ strlen(REISER3FS_SIGNATURE)) == 0) {
+ PedSector block_size;
+ PedSector block_count;
+
+ block_size = PED_LE16_TO_CPU(sb->s_blocksize)
+ / geom->dev->sector_size;
+ block_count = PED_LE32_TO_CPU(sb->s_block_count);
+ return ped_geometry_new(geom->dev, geom->start,
+ block_size * block_count);
+ }
+ }
+ return NULL;
+}
+
+
+static PedFileSystemOps reiserfs_simple_ops = {
+ probe: reiserfs_probe,
+};
+
+static PedFileSystemType reiserfs_simple_type = {
+ next: NULL,
+ ops: &reiserfs_simple_ops,
+ name: "reiserfs",
+};
+
+void ped_file_system_reiserfs_init()
+{
+ reiserfs_type = &reiserfs_simple_type;
+ ped_file_system_type_register(reiserfs_type);
+}
+
+void ped_file_system_reiserfs_done()
+{
+ ped_file_system_type_unregister(reiserfs_type);
+}