#ifndef __MAIL_INDEX_SYNC_PRIVATE_H
#define __MAIL_INDEX_SYNC_PRIVATE_H

struct mail_index_sync_ctx {
	struct mail_index *index;
	struct mail_index_view *view;

	buffer_t *expunges_buf, *updates_buf, *appends_buf;

	const struct mail_transaction_expunge *expunges;
	const struct mail_transaction_flag_update *updates;
	size_t expunges_count, updates_count;

	const struct mail_transaction_header *hdr;
	const void *data;

	size_t expunge_idx, update_idx;
	uint32_t next_seq;

	unsigned int lock_id, dirty_lock_id;

	unsigned int sync_appends:1;
	unsigned int have_dirty:1;
};

int mail_index_sync_update_index(struct mail_index_sync_ctx *sync_ctx,
				 uint32_t sync_stamp, uint64_t sync_size);

void mail_index_header_update_counts(struct mail_index_header *hdr,
				     uint8_t old_flags, uint8_t new_flags);
void mail_index_header_update_lowwaters(struct mail_index_header *hdr,
					const struct mail_index_record *rec);

#endif