1 files changed, 111 insertions, 0 deletions
diff --git a/include/parted/history.h b/include/parted/history.h
new file mode 100644
index 0000000..b2b2cf5
--- /dev/null
+++ b/include/parted/history.h
@@ -0,0 +1,111 @@
+/*
+    libparted - a library for manipulating disk partitions
+    Copyright (C) 1999, 2000, 2001, 2007 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_HISTORY_H_INCLUDED
+#define PED_HISTORY_H_INCLUDED
+
+
+/*
+ * Macros
+ */
+
+#define PED_HISTORY_TAG      "[History] "
+#define PED_HISTORY_MAX_NAME 64
+#define PED_HISTORY_IS_UNDONE(_o) (_o->ignore && _o->disk)
+        
+
+typedef struct _PedHistObj PedHistObj;
+typedef struct _PedHistManager PedHistManager;
+typedef enum _PedHistRet PedHistRet;
+
+#include <parted/disk.h>
+
+/*
+ * Enums
+ */
+
+enum _PedHistRet {
+    PED_HISTORY_RET_SUCCESS,
+    PED_HISTORY_RET_ERROR,
+    PED_HISTORY_RET_NO_UNDO,
+    PED_HISTORY_RET_NO_REDO,
+    PED_HISTORY_RET_NO_SAVE,
+};
+
+
+/*
+ * Structs
+ */
+
+struct _PedHistObj {
+    int         id;
+    int         ignore; /* Undo/Redo functionality */
+    char       *name;   /* Command name */
+    PedDisk    *disk;
+    PedHistObj *prev;
+    PedHistObj *next;
+};
+
+
+struct _PedHistManager {
+    PedHistObj  *begin;
+    PedHistObj  *end;
+    int          n_objs;
+    int          id;
+};
+
+
+/*
+ * Funcs
+ */
+
+/* Add/Clear history */
+extern void ped_history_add (const char *cmd);
+extern void ped_history_clear (void);
+
+/* Iterating */
+extern const PedHistObj *ped_history_begin (void);
+
+/* Duplicate of the most recent disk mod, this can safely be destroyed */
+extern PedDisk *ped_history_disk (void);
+
+/* Before changes are committed */
+extern PedHistRet ped_history_undo (void);
+extern PedHistRet ped_history_redo (void);
+
+/* Write changes to disk
+ * Each change's success/failure value is passed 
+ * to the optional callback so that the end application
+ * can display such values appropriately.
+ */
+typedef void (*PedHistPrintCB) (PedHistRet val, PedHistObj *obj);
+extern PedHistRet ped_history_commit_to_disk (PedHistPrintCB cb);
+
+/* Copy the most recent disk change */
+extern void ped_history_add_disk (const PedDisk *disk);
+
+/* Print */
+extern const char *ped_history_print_ret (PedHistRet val);
+extern void ped_history_print_debug (void);
+
+/* Alloc/dealloc */
+extern PedHistObj *ped_history_alloc_obj (void);
+extern void ped_history_dealloc_obj (PedHistObj *obj);
+
+
+#endif /* PED_HISTORY_H_INCLUDED */