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append.h
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append.h
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/* append.h -- Description of messages to be copied
$Id: append.h,v 1.16 2000/04/18 01:00:14 leg Exp $
# Copyright 1998 Carnegie Mellon University
#
# No warranties, either expressed or implied, are made regarding the
# operation, use, or results of the software.
#
# Permission to use, copy, modify and distribute this software and its
# documentation is hereby granted for non-commercial purposes only
# provided that this copyright notice appears in all copies and in
# supporting documentation.
#
# Permission is also granted to Internet Service Providers and others
# entities to use the software for internal purposes.
#
# The distribution, modification or sale of a product which uses or is
# based on the software, in whole or in part, for commercial purposes or
# benefits requires specific, additional permission from:
#
# 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
*
*/
#ifndef INCLUDED_APPEND_H
#define INCLUDED_APPEND_H
#include "prot.h"
struct copymsg {
unsigned long uid;
time_t internaldate;
time_t sentdate;
unsigned long size;
unsigned long header_size;
const char *cache_begin;
int cache_len; /* 0 if need to copy & parse message */
int seen;
bit32 system_flags;
char *flag[MAX_USER_FLAGS+1];
};
/* it's ridiculous i have to expose this structure if i want to allow
clients to stack-allocate it */
struct appendstate {
/* mailbox we're appending to */
struct mailbox m;
enum { APPEND_READY, APPEND_DONE } s;
/* current state of append */
/* if we abort, where should we truncate the cache file? */
unsigned long orig_cache_len;
int writeheader; /* did we change the mailbox header? */
int nummsg; /* number of messages appended pending commit.
from m.last_uid + 1 ... m.last_uid + nummsg */
/* summary information to change on commit */
int numanswered, numdeleted, numflagged;
/* the amount of quota we've used so far in this append */
int quota_used;
};
/* add helper function to determine uid range appended? */
struct stagemsg;
/* appendstate must be allocated by client */
extern int append_setup(struct appendstate *mailbox, const char *name,
int format, struct auth_state *auth_state,
long aclcheck, long quotacheck);
extern int append_commit(struct appendstate *mailbox,
unsigned long *uidvalidity,
unsigned long *startuid,
unsigned long *num);
extern int append_abort(struct appendstate *mailbox);
/* adds a new mailbox to the stage. creates the stage if *stagep == NULL. */
extern int append_fromstage(struct appendstate *mailbox,
struct protstream *messagefile,
unsigned long size, time_t internaldate,
const char **flag, int nflags,
const char *userid,
struct stagemsg **stagep);
/* removes the stage (frees memory, deletes the staging files) */
extern int append_removestage(struct stagemsg *stage);
extern int append_fromstream(struct appendstate *as,
struct protstream *messagefile,
unsigned long size, time_t internaldate,
const char **flag, int nflags,
const char *userid);
extern int append_copy(struct mailbox *mailbox,
struct appendstate *append_mailbox,
int nummsg, struct copymsg *copymsg,
const char *userid);
extern int append_collectnews(struct appendstate *mailbox,
const char *group, unsigned long feeduid);
#define append_getuidvalidity(as) ((as)->m.uidvalidity);
#define append_getlastuid(as) ((as)->m.last_uid);
#endif /* INCLUDED_APPEND_H */

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