1 files changed, 70 insertions, 0 deletions
diff --git a/libparted/fs/r/fat/context.h b/libparted/fs/r/fat/context.h
new file mode 100644
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+++ b/libparted/fs/r/fat/context.h
@@ -0,0 +1,70 @@
+/*
+    libparted
+    Copyright (C) 1999-2000, 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/>.
+*/
+
+#ifndef PED_FAT_CONTEXT_H_INCLUDED
+#define PED_FAT_CONTEXT_H_INCLUDED
+
+#include "count.h"
+
+enum _FatDirection {
+	FAT_DIR_FORWARD,
+	FAT_DIR_BACKWARD
+};
+typedef enum _FatDirection FatDirection;
+
+struct _FatOpContext {
+	PedFileSystem*		old_fs;
+	PedFileSystem*		new_fs;
+
+	PedSector		frag_sectors;	/* should equal old_fs and
+						   new_fs's frag_sectors */
+
+	FatDirection		start_move_dir;
+	FatFragment		start_move_delta;
+
+	FatFragment		buffer_offset;
+	FatFragment		buffer_frags;
+	FatFragment*		buffer_map;
+
+	FatFragment		frags_duped;
+
+	FatFragment*		remap;
+
+	FatCluster		new_root_dir [32];
+};
+typedef struct _FatOpContext FatOpContext;
+
+extern FatOpContext* fat_op_context_new (PedFileSystem* new_fs,
+					 PedFileSystem* old_fs);
+
+extern void fat_op_context_destroy (FatOpContext* ctx);
+
+extern FatFragment fat_op_context_map_static_fragment (const FatOpContext* ctx,
+						       FatFragment frag);
+extern FatCluster fat_op_context_map_static_cluster (const FatOpContext* ctx,
+						     FatCluster clst);
+
+extern FatFragment fat_op_context_map_fragment (const FatOpContext* ctx,
+					        FatFragment frag);
+extern FatCluster fat_op_context_map_cluster (const FatOpContext* ctx,
+					      FatCluster clst);
+
+extern int fat_op_context_create_initial_fat (FatOpContext* ctx);
+
+#endif /* PED_FAT_CONTEXT_H_INCLUDED */