1 files changed, 128 insertions, 0 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/freefs.c b/e2fsprogs/old_e2fsprogs/ext2fs/freefs.c
new file mode 100644
index 0000000..65c4ee7
--- /dev/null
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/freefs.c
@@ -0,0 +1,128 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * freefs.c --- free an ext2 filesystem
+ *
+ * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include <stdio.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fsP.h"
+
+static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache);
+
+void ext2fs_free(ext2_filsys fs)
+{
+	if (!fs || (fs->magic != EXT2_ET_MAGIC_EXT2FS_FILSYS))
+		return;
+	if (fs->image_io != fs->io) {
+		if (fs->image_io)
+			io_channel_close(fs->image_io);
+	}
+	if (fs->io) {
+		io_channel_close(fs->io);
+	}
+	ext2fs_free_mem(&fs->device_name);
+	ext2fs_free_mem(&fs->super);
+	ext2fs_free_mem(&fs->orig_super);
+	ext2fs_free_mem(&fs->group_desc);
+	ext2fs_free_block_bitmap(fs->block_map);
+	ext2fs_free_inode_bitmap(fs->inode_map);
+
+	ext2fs_badblocks_list_free(fs->badblocks);
+	fs->badblocks = 0;
+
+	ext2fs_free_dblist(fs->dblist);
+
+	if (fs->icache)
+		ext2fs_free_inode_cache(fs->icache);
+
+	fs->magic = 0;
+
+	ext2fs_free_mem(&fs);
+}
+
+void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap)
+{
+	if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_GENERIC_BITMAP))
+		return;
+
+	bitmap->magic = 0;
+	ext2fs_free_mem(&bitmap->description);
+	ext2fs_free_mem(&bitmap->bitmap);
+	ext2fs_free_mem(&bitmap);
+}
+
+void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap)
+{
+	if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP))
+		return;
+
+	bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP;
+	ext2fs_free_generic_bitmap(bitmap);
+}
+
+void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap)
+{
+	if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP))
+		return;
+
+	bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP;
+	ext2fs_free_generic_bitmap(bitmap);
+}
+
+/*
+ * Free the inode cache structure
+ */
+static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache)
+{
+	if (--icache->refcount)
+		return;
+	ext2fs_free_mem(&icache->buffer);
+	ext2fs_free_mem(&icache->cache);
+	icache->buffer_blk = 0;
+	ext2fs_free_mem(&icache);
+}
+
+/*
+ * This procedure frees a badblocks list.
+ */
+void ext2fs_u32_list_free(ext2_u32_list bb)
+{
+	if (!bb || bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
+		return;
+
+	ext2fs_free_mem(&bb->list);
+	ext2fs_free_mem(&bb);
+}
+
+void ext2fs_badblocks_list_free(ext2_badblocks_list bb)
+{
+	ext2fs_u32_list_free((ext2_u32_list) bb);
+}
+
+
+/*
+ * Free a directory block list
+ */
+void ext2fs_free_dblist(ext2_dblist dblist)
+{
+	if (!dblist || (dblist->magic != EXT2_ET_MAGIC_DBLIST))
+		return;
+
+	ext2fs_free_mem(&dblist->list);
+	if (dblist->fs && dblist->fs->dblist == dblist)
+		dblist->fs->dblist = 0;
+	dblist->magic = 0;
+	ext2fs_free_mem(&dblist);
+}
+