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seen.h
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seen.h
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/* seen.h -- abstract interface for /Recent and /Seen information
* $Id: seen.h,v 1.14 2003/10/22 18:50:08 rjs3 Exp $
* Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef SEEN_H
#define SEEN_H
struct seen;
#define SEEN_CREATE 0x01
/* get a database handle corresponding to (mailbox, user) pair */
int seen_open(struct mailbox *mailbox,
const char *user,
int flags,
struct seen **seendbptr);
/* read an entry from 'seendb' */
int seen_read(struct seen *seendb,
time_t *lastreadptr, unsigned int *lastuidptr,
time_t *lastchangeptr, char **seenuidsptr);
/* read an entry from 'seendb' and leave that record (or some superset
of it) locked for update */
int seen_lockread(struct seen *seendb,
time_t *lastreadptr, unsigned int *lastuidptr,
time_t *lastchangeptr, char **seenuidsptr);
/* write an entry to 'seendb'; should have been already locked by
seen_lockread() */
int seen_write(struct seen *seendb, time_t lastread, unsigned int lastuid,
time_t lastchange, char *seenuids);
/* close this handle */
int seen_close(struct seen *seendb);
/* discard lock on handle */
int seen_unlock(struct seen *seendb);
/* called on mailbox operations */
int seen_create_mailbox(struct mailbox *mailbox);
int seen_delete_mailbox(struct mailbox *mailbox);
int seen_copy(struct mailbox *oldmailbox,struct mailbox *newmailbox);
/* called on user operations */
int seen_create_user(const char *user);
int seen_delete_user(const char *user);
int seen_rename_user(const char *olduser, const char *newuser);
int seen_reconstruct(struct mailbox *mailbox,
time_t report_time,
time_t prune_time,
int (*report_proc)(),
void *report_rock);
/* done with all seen operations for this process */
int seen_done(void);
/* Return a path to the seen database for the given user (or NULL if we are
* using bigdb) */
char *seen_getpath(const char *userid);
/* Merge tmpfile into tgtfile */
int seen_merge(const char *tmpfile, const char *tgtfile);
#endif /* SEEN_LOCAL_H */

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