update summary caches on receiving.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@2247 ee746299-78ed-0310-b773-934348b2243d

9 files changed, 419 insertions, 18 deletions

diff --git a/libsylph/filter.c b/libsylph/filter.c
index fb2cd1ea..9ea834ff 100644
--- a/libsylph/filter.c
+++ b/libsylph/filter.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -244,12 +244,17 @@ gint filter_action_exec(FilterRule *rule, MsgInfo *msginfo, const gchar *file,
 					fltinfo->actions[action->type] = TRUE;
 				}
 			} else {
-				if (folder_item_add_msg(dest_folder, file,
-							&fltinfo->flags,
-							FALSE) < 0) {
+				MsgFlags save_flags;
+
+				save_flags = msginfo->flags;
+				msginfo->flags = fltinfo->flags;
+				if (folder_item_add_msg_msginfo
+					(dest_folder, msginfo, FALSE) < 0) {
+					msginfo->flags = save_flags;
 					fltinfo->error = FLT_ERROR_ERROR;
 					return -1;
 				}
+				msginfo->flags = save_flags;
 				fltinfo->actions[action->type] = TRUE;
 			}
 
diff --git a/libsylph/folder.c b/libsylph/folder.c
index 0f6d054c..10562362 100644
--- a/libsylph/folder.c
+++ b/libsylph/folder.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -1143,6 +1143,37 @@ gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
 				       first);
 }
 
+gint folder_item_add_msg_msginfo(FolderItem *dest, MsgInfo *msginfo,
+				 gboolean remove_source)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msginfo != NULL, -1);
+	g_return_val_if_fail(msginfo->file_path != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->add_msg_msginfo != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->add_msg_msginfo(folder, dest, msginfo,
+					      remove_source);
+}
+
+gint folder_item_add_msgs_msginfo(FolderItem *dest, GSList *msglist,
+				  gboolean remove_source, gint *first)
+{
+	Folder *folder;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msglist != NULL, -1);
+	g_return_val_if_fail(dest->folder->klass->add_msgs_msginfo != NULL, -1);
+
+	folder = dest->folder;
+
+	return folder->klass->add_msgs_msginfo(folder, dest, msglist,
+					       remove_source, first);
+}
+
 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
 {
 	Folder *folder;
diff --git a/libsylph/folder.h b/libsylph/folder.h
index db9c3bf9..d8bfc8b4 100644
--- a/libsylph/folder.h
+++ b/libsylph/folder.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -179,6 +179,15 @@ struct _FolderClass
 					 GSList		*file_list,
 					 gboolean	 remove_source,
 					 gint		*first);
+	gint     (*add_msg_msginfo)	(Folder		*folder,
+					 FolderItem	*dest,
+					 MsgInfo	*msginfo,
+					 gboolean	 remove_source);
+	gint     (*add_msgs_msginfo)	(Folder		*folder,
+					 FolderItem	*dest,
+					 GSList		*msginfo_list,
+					 gboolean	 remove_source,
+					 gint		*first);
 	gint     (*move_msg)		(Folder		*folder,
 					 FolderItem	*dest,
 					 MsgInfo	*msginfo);
@@ -296,6 +305,7 @@ struct _FolderItem
 	gboolean trim_summary_subject;
 	gboolean trim_compose_subject;
 
+	GSList *cache_queue;
 	GSList *mark_queue;
 
 	guint last_selected;
@@ -395,6 +405,13 @@ gint   folder_item_add_msgs		(FolderItem	*dest,
 					 GSList		*file_list,
 					 gboolean	 remove_source,
 					 gint		*first);
+gint   folder_item_add_msg_msginfo	(FolderItem	*dest,
+					 MsgInfo	*msginfo,
+					 gboolean	 remove_source);
+gint   folder_item_add_msgs_msginfo	(FolderItem	*dest,
+					 GSList		*msginfo_list,
+					 gboolean	 remove_source,
+					 gint		*first);
 gint   folder_item_move_msg		(FolderItem	*dest,
 					 MsgInfo	*msginfo);
 gint   folder_item_move_msgs		(FolderItem	*dest,
diff --git a/libsylph/imap.c b/libsylph/imap.c
index 6213f273..10f9a273 100644
--- a/libsylph/imap.c
+++ b/libsylph/imap.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2008 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -119,6 +119,15 @@ static gint imap_add_msgs		(Folder		*folder,
 					 GSList		*file_list,
 					 gboolean	 remove_source,
 					 gint		*first);
+static gint imap_add_msg_msginfo	(Folder		*folder,
+					 FolderItem	*dest,
+					 MsgInfo	*msginfo,
+					 gboolean	 remove_source);
+static gint imap_add_msgs_msginfo	(Folder		*folder,
+					 FolderItem	*dest,
+					 GSList		*msglist,
+					 gboolean	 remove_source,
+					 gint		*first);
 
 static gint imap_move_msg		(Folder		*folder,
 					 FolderItem	*dest,
@@ -396,6 +405,8 @@ static FolderClass imap_class =
 	imap_get_msginfo,
 	imap_add_msg,
 	imap_add_msgs,
+	imap_add_msg_msginfo,
+	imap_add_msgs_msginfo,
 	imap_move_msg,
 	imap_move_msgs,
 	imap_copy_msg,
@@ -1337,6 +1348,37 @@ static gint imap_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 	return last_uid;
 }
 
+static gint imap_add_msg_msginfo(Folder *folder, FolderItem *dest,
+				 MsgInfo *msginfo, gboolean remove_source)
+{
+	GSList msglist;
+
+	g_return_val_if_fail(msginfo != NULL, -1);
+
+	msglist.data = msginfo;
+	msglist.next = NULL;
+
+	return imap_add_msgs_msginfo(folder, dest, &msglist, remove_source,
+				     NULL);
+}
+
+static gint imap_add_msgs_msginfo(Folder *folder, FolderItem *dest,
+				  GSList *msglist, gboolean remove_source,
+				  gint *first)
+{
+	GSList *file_list;
+	gint ret;
+
+	file_list = procmsg_get_message_file_list(msglist);
+	g_return_val_if_fail(file_list != NULL, -1);
+
+	ret = imap_add_msgs(folder, dest, file_list, remove_source, first);
+
+	procmsg_message_file_list_free(file_list);
+
+	return ret;
+}
+
 static gint imap_do_copy_msgs(Folder *folder, FolderItem *dest, GSList *msglist,
 			      gboolean remove_source)
 {
diff --git a/libsylph/mh.c b/libsylph/mh.c
index 5852e7c8..46e4b714 100644
--- a/libsylph/mh.c
+++ b/libsylph/mh.c
@@ -75,6 +75,15 @@ static gint     mh_add_msgs		(Folder		*folder,
 					 GSList		*file_list,
 					 gboolean	 remove_source,
 					 gint		*first);
+static gint     mh_add_msg_msginfo	(Folder		*folder,
+					 FolderItem	*dest,
+					 MsgInfo	*msginfo,
+					 gboolean	 remove_source);
+static gint     mh_add_msgs_msginfo	(Folder		*folder,
+					 FolderItem	*dest,
+					 GSList		*msglist,
+					 gboolean	 remove_source,
+					 gint		*first);
 static gint     mh_move_msg		(Folder		*folder,
 					 FolderItem	*dest,
 					 MsgInfo	*msginfo);
@@ -151,6 +160,8 @@ static FolderClass mh_class =
 	mh_get_msginfo,
 	mh_add_msg,
 	mh_add_msgs,
+	mh_add_msg_msginfo,
+	mh_add_msgs_msginfo,
 	mh_move_msg,
 	mh_move_msgs,
 	mh_copy_msg,
@@ -517,6 +528,117 @@ static gint mh_add_msgs(Folder *folder, FolderItem *dest, GSList *file_list,
 	return dest->last_num;
 }
 
+
+static gint mh_add_msg_msginfo(Folder *folder, FolderItem *dest,
+			       MsgInfo *msginfo, gboolean remove_source)
+{
+	GSList msglist;
+
+	g_return_val_if_fail(msginfo != NULL, -1);
+
+	msglist.data = msginfo;
+	msglist.next = NULL;
+
+	return mh_add_msgs_msginfo(folder, dest, &msglist, remove_source, NULL);
+}
+
+static gint mh_add_msgs_msginfo(Folder *folder, FolderItem *dest,
+				GSList *msglist, gboolean remove_source,
+				gint *first)
+{
+	GSList *cur;
+	MsgInfo *msginfo;
+	gchar *srcfile;
+	gchar *destfile;
+	gint first_ = 0;
+	FILE *fp = NULL;
+
+	g_return_val_if_fail(dest != NULL, -1);
+	g_return_val_if_fail(msglist != NULL, -1);
+
+	if (dest->last_num < 0) {
+		mh_scan_folder(folder, dest);
+		if (dest->last_num < 0) return -1;
+	}
+
+	if (!dest->opened) {
+		if ((fp = procmsg_open_mark_file(dest, DATA_APPEND)) == NULL)
+			g_warning("mh_add_msgs_msginfo: can't open mark file.");
+	}
+
+	for (cur = msglist; cur != NULL; cur = cur->next) {
+		msginfo = (MsgInfo *)cur->data;
+
+		destfile = mh_get_new_msg_filename(dest);
+		if (!destfile) {
+			if (fp) fclose(fp);
+			return -1;
+		}
+		if (first_ == 0 || first_ > dest->last_num + 1)
+			first_ = dest->last_num + 1;
+
+		srcfile = procmsg_get_message_file(msginfo);
+		if (!srcfile) {
+			if (fp) fclose(fp);
+			g_free(destfile);
+			return -1;
+		}
+		if (syl_link(srcfile, destfile) < 0) {
+			if (copy_file(srcfile, destfile, TRUE) < 0) {
+				g_warning("mh_add_msgs_msginfo: can't copy message %s to %s", srcfile, destfile);
+				g_free(srcfile);
+				g_free(destfile);
+				if (fp) fclose(fp);
+				return -1;
+			}
+		}
+
+		g_signal_emit_by_name(syl_app_get(), "add-msg", dest, destfile, dest->last_num + 1);
+
+		g_free(srcfile);
+		g_free(destfile);
+		dest->last_num++;
+		dest->total++;
+		dest->updated = TRUE;
+		dest->mtime = 0;
+
+		if (MSG_IS_RECEIVED(msginfo->flags)) {
+			if (dest->unmarked_num == 0)
+				dest->new = 0;
+			dest->unmarked_num++;
+			procmsg_add_mark_queue(dest, dest->last_num,
+					       msginfo->flags);
+			procmsg_add_cache_queue(dest, dest->last_num,
+						msginfo);
+		} else {
+			SET_DEST_MSG_FLAGS(fp, dest, dest->last_num,
+					   msginfo->flags);
+		}
+		if (MSG_IS_NEW(msginfo->flags))
+			dest->new++;
+		if (MSG_IS_UNREAD(msginfo->flags))
+			dest->unread++;
+	}
+
+	if (fp) fclose(fp);
+
+	if (first)
+		*first = first_;
+
+	if (remove_source) {
+		for (cur = msglist; cur != NULL; cur = cur->next) {
+			msginfo = (MsgInfo *)cur->data;
+			srcfile = procmsg_get_message_file(msginfo);
+			if (g_unlink(srcfile) < 0)
+				FILE_OP_ERROR(srcfile, "unlink");
+			g_free(srcfile);
+		}
+	}
+
+	return dest->last_num;
+}
+
+
 static gint mh_do_move_msgs(Folder *folder, FolderItem *dest, GSList *msglist)
 {
 	FolderItem *src;
@@ -960,6 +1082,10 @@ static gint mh_scan_folder_full(Folder *folder, FolderItem *item,
 		item->new = new;
 		item->unread = unread;
 		item->total = n_msg;
+
+		if (item->cache_queue && !item->opened) {
+			procmsg_flush_cache_queue(item, NULL);
+		}
 	}
 
 	item->updated = TRUE;
diff --git a/libsylph/news.c b/libsylph/news.c
index a331d4b5..498d283e 100644
--- a/libsylph/news.c
+++ b/libsylph/news.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -147,6 +147,8 @@ static FolderClass news_class =
 	NULL,
 	NULL,
 	NULL,
+	NULL,
+	NULL,
 	news_close,
 	news_scan_group,
 
diff --git a/libsylph/procmsg.c b/libsylph/procmsg.c
index 1be7d722..d22bcd9d 100644
--- a/libsylph/procmsg.c
+++ b/libsylph/procmsg.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -34,6 +34,9 @@
 #include "folder.h"
 #include "codeconv.h"
 
+static GSList *procmsg_read_cache_queue		(FolderItem	*item,
+						 gboolean	 scan_file);
+
 static void mark_sum_func			(gpointer	 key,
 						 gpointer	 value,
 						 gpointer	 data);
@@ -227,7 +230,7 @@ GSList *procmsg_read_cache(FolderItem *item, gboolean scan_file)
 		return NULL;
 	}
 
-	debug_print("Reading summary cache...");
+	debug_print("Reading summary cache...\n");
 
 	while (fread(&num, sizeof(num), 1, fp) == 1) {
 		msginfo = g_new0(MsgInfo, 1);
@@ -282,6 +285,12 @@ GSList *procmsg_read_cache(FolderItem *item, gboolean scan_file)
 
 	fclose(fp);
 
+	if (item->cache_queue) {
+		GSList *qlist;
+		qlist = procmsg_read_cache_queue(item, scan_file);
+		mlist = g_slist_concat(mlist, qlist);
+	}
+
 	debug_print("done.\n");
 
 	return mlist;
@@ -290,6 +299,59 @@ GSList *procmsg_read_cache(FolderItem *item, gboolean scan_file)
 #undef READ_CACHE_DATA
 #undef READ_CACHE_DATA_INT
 
+static GSList *procmsg_read_cache_queue(FolderItem *item, gboolean scan_file)
+{
+	FolderType type;
+	MsgInfo *msginfo;
+	MsgFlags default_flags;
+	GSList *cur;
+	GSList *qlist = NULL;
+	GSList *last = NULL;
+
+	g_return_val_if_fail(item != NULL, NULL);
+	g_return_val_if_fail(item->folder != NULL, NULL);
+
+	if (!item->cache_queue)
+		return NULL;
+
+	debug_print("Reading cache queue...\n");
+
+	type = FOLDER_TYPE(item->folder);
+	default_flags.perm_flags = MSG_NEW|MSG_UNREAD;
+	default_flags.tmp_flags = 0;
+
+	for (cur = item->cache_queue; cur != NULL; cur = cur->next) {
+		msginfo = (MsgInfo *)cur->data;
+
+		debug_print("read cache queue: %s/%d\n",
+			    item->path, msginfo->msgnum);
+
+		MSG_SET_PERM_FLAGS(msginfo->flags, default_flags.perm_flags);
+		MSG_SET_TMP_FLAGS(msginfo->flags, default_flags.tmp_flags);
+
+		if ((type == F_MH && scan_file &&
+		     folder_item_is_msg_changed(item, msginfo))) {
+			procmsg_msginfo_free(msginfo);
+			item->cache_dirty = TRUE;
+		} else {
+			msginfo->folder = item;
+
+			if (!qlist)
+				last = qlist = g_slist_append(NULL, msginfo);
+			else {
+				last = g_slist_append(last, msginfo);
+				last = last->next;
+			}
+		}
+	}
+
+	g_slist_free(item->cache_queue);
+	item->cache_queue = NULL;
+	item->cache_dirty = TRUE;
+
+	return qlist;
+}
+
 static void mark_unset_new_func(gpointer key, gpointer value, gpointer data)
 {
 	MSG_UNSET_PERM_FLAGS(*((MsgFlags *)value), MSG_NEW);
@@ -535,6 +597,9 @@ void procmsg_write_cache_list(FolderItem *item, GSList *mlist)
 		procmsg_write_cache(msginfo, fp);
 	}
 
+	if (item->cache_queue)
+		procmsg_flush_cache_queue(item, fp);
+
 	fclose(fp);
 	item->cache_dirty = FALSE;
 }
@@ -613,12 +678,20 @@ void procmsg_write_flags_for_multiple_folders(GSList *mlist)
 void procmsg_flush_mark_queue(FolderItem *item, FILE *fp)
 {
 	MsgInfo *flaginfo;
+	gboolean append = FALSE;
 
 	g_return_if_fail(item != NULL);
-	g_return_if_fail(fp != NULL);
 
-	if (item->mark_queue)
-		debug_print("flushing mark_queue...\n");
+	if (!item->mark_queue)
+		return;
+
+	debug_print("flushing mark_queue: %s...\n", item->path);
+
+	if (!fp) {
+		append =  TRUE;
+		fp = procmsg_open_mark_file(item, DATA_APPEND);
+		g_return_if_fail(fp != NULL);
+	}
 
 	while (item->mark_queue != NULL) {
 		flaginfo = (MsgInfo *)item->mark_queue->data;
@@ -626,6 +699,9 @@ void procmsg_flush_mark_queue(FolderItem *item, FILE *fp)
 		procmsg_msginfo_free(flaginfo);
 		item->mark_queue = g_slist_remove(item->mark_queue, flaginfo);
 	}
+
+	if (append)
+		fclose(fp);
 }
 
 void procmsg_add_mark_queue(FolderItem *item, gint num, MsgFlags flags)
@@ -635,9 +711,100 @@ void procmsg_add_mark_queue(FolderItem *item, gint num, MsgFlags flags)
 	queue_msginfo = g_new0(MsgInfo, 1);
 	queue_msginfo->msgnum = num;
 	queue_msginfo->flags = flags;
-	item->mark_queue = g_slist_append
-		(item->mark_queue, queue_msginfo);
-	return;
+	item->mark_queue = g_slist_append(item->mark_queue, queue_msginfo);
+}
+
+void procmsg_flush_cache_queue(FolderItem *item, FILE *fp)
+{
+	MsgInfo *msginfo;
+	gboolean append = FALSE;
+
+	g_return_if_fail(item != NULL);
+
+	if (!item->cache_queue)
+		return;
+
+	debug_print("flushing cache_queue: %s ...\n", item->path);
+
+	if (!fp) {
+		append =  TRUE;
+		fp = procmsg_open_cache_file(item, DATA_APPEND);
+		g_return_if_fail(fp != NULL);
+	}
+
+	while (item->cache_queue != NULL) {
+		msginfo = (MsgInfo *)item->cache_queue->data;
+		debug_print("flush cache queue: %s/%d\n", item->path, msginfo->msgnum);
+		procmsg_write_cache(msginfo, fp);
+		procmsg_msginfo_free(msginfo);
+		item->cache_queue = g_slist_remove(item->cache_queue, msginfo);
+	}
+
+	if (append)
+		fclose(fp);
+}
+
+void procmsg_add_cache_queue(FolderItem *item, gint num, MsgInfo *msginfo)
+{
+	MsgInfo *queue_msginfo;
+
+	g_return_if_fail(msginfo != NULL);
+
+	queue_msginfo = procmsg_msginfo_copy(msginfo);
+	queue_msginfo->msgnum = num;
+	if (queue_msginfo->file_path) {
+		g_free(queue_msginfo->file_path);
+		queue_msginfo->file_path = NULL;
+	}
+
+	debug_print("procmsg_add_cache_queue: add msg cache: %s/%d\n",
+		    item->path, num);
+	item->cache_queue = g_slist_append(item->cache_queue, queue_msginfo);
+}
+
+gboolean procmsg_flush_folder(FolderItem *item)
+{
+	gboolean flushed = FALSE;
+	gint n_new, n_unread, n_total, n_min, n_max;
+
+	g_return_val_if_fail(item != NULL, FALSE);
+	g_return_val_if_fail(item->folder != NULL, FALSE);
+
+	if (FOLDER_TYPE(item->folder) != F_MH || item->last_num < 0) {
+		folder_item_scan(item);
+		return TRUE;
+	}
+
+	if (item->mark_queue && !item->opened)
+		flushed = TRUE;
+	procmsg_get_mark_sum(item, &n_new, &n_unread, &n_total, &n_min, &n_max,
+			     0);
+	item->unmarked_num = 0;
+	item->new = n_new;
+	item->unread = n_unread;
+	item->total = n_total;
+
+	if (item->cache_queue && !item->opened) {
+		procmsg_flush_cache_queue(item, NULL);
+		flushed = TRUE;
+	}
+
+	if (flushed)
+		debug_print("procmsg_flush_folder: flushed %s\n", item->path);
+
+	return flushed;
+}
+
+static void procmsg_flush_folder_foreach_func(gpointer key, gpointer val,
+					      gpointer data)
+{
+	procmsg_flush_folder(FOLDER_ITEM(key));
+}
+
+void procmsg_flush_folder_foreach(GHashTable *folder_table)
+{
+	g_hash_table_foreach(folder_table, procmsg_flush_folder_foreach_func,
+			     NULL);
 }
 
 void procmsg_add_flags(FolderItem *item, gint num, MsgFlags flags)
diff --git a/libsylph/procmsg.h b/libsylph/procmsg.h
index 34a63bb0..a83dde0e 100644
--- a/libsylph/procmsg.h
+++ b/libsylph/procmsg.h
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -252,6 +252,15 @@ void	procmsg_flush_mark_queue	(FolderItem	*item,
 void	procmsg_add_mark_queue		(FolderItem	*item,
 					 gint		 num,
 					 MsgFlags	 flags);
+void	procmsg_flush_cache_queue	(FolderItem	*item,
+					 FILE		*fp);
+void	procmsg_add_cache_queue		(FolderItem	*item,
+					 gint		 num,
+					 MsgInfo	*msginfo);
+
+gboolean procmsg_flush_folder		(FolderItem	*item);
+void	procmsg_flush_folder_foreach	(GHashTable	*folder_table);
+
 void	procmsg_add_flags		(FolderItem	*item,
 					 gint		 num,
 					 MsgFlags	 flags);
diff --git a/libsylph/virtual.c b/libsylph/virtual.c
index 26f9e2be..5452d1da 100644
--- a/libsylph/virtual.c
+++ b/libsylph/virtual.c
@@ -1,6 +1,6 @@
 /*
  * LibSylph -- E-Mail client library
- * Copyright (C) 1999-2007 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -135,6 +135,8 @@ static FolderClass virtual_class =
 	NULL,
 	NULL,
 	NULL,
+	NULL,
+	NULL,
 	virtual_close,
 	virtual_scan_folder,