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#ifndef maildirquota_h
#define maildirquota_h
/*
** Copyright 1998 - 2010 Double Precision, Inc.
** See COPYING for distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include "numlib/numlib.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MDQUOTA_SIZE 'S' /* Total size of all messages in maildir */
#define MDQUOTA_BLOCKS 'B' /* Total # of blocks for all messages in
maildir -- NOT IMPLEMENTED */
#define MDQUOTA_COUNT 'C' /* Total number of messages in maildir */
struct maildirquota {
int64_t nbytes; /* # of bytes, 0 - unlimited */
int nmessages; /* # of messages, 0 - unlimited */
};
/*
** The maildirsize file
*/
struct maildirsize {
int fd; /* Opened file descriptor for the maildirsize file */
char *maildir; /* Pathname to the maildir */
char *maildirsizefile; /* The name of the maildirsize file */
struct maildirquota quota; /* 1st line in maildirsize */
struct maildirquota size; /* Actual counts 2+ line */
int recalculation_needed; /* size is not calculated */
struct stat statbuf; /* The stat on the maidlirsize file */
unsigned nlines; /* # of lines in the maildirsize file */
};
/*
** maildir_openquotafile initializes a maildirsize structure from a maildirsize
** file. This is really an internal, undocumented, function.
**
** return 0 for success, -1 if the file could not be opened
*/
int maildir_openquotafile(struct maildirsize *info, /* Initialized */
const char * /* maildir */
);
/*
** maildir_closequotafile releases all resources allocated by maildirsize
** struct.
*/
void maildir_closequotafile(struct maildirsize *info);
int maildir_checkquota(struct maildirsize *, /* Opened maildir */
int64_t, /* Extra bytes planning to add/remove from
maildir */
int); /* Extra messages planning to add/remove from
maildir */
int maildir_addquota(struct maildirsize *, /* Opened maildir */
int64_t, /* +/- bytes */
int); /* +/- files */
int maildir_readquota(struct maildirsize *); /* Directory */
int maildir_parsequota(const char *, unsigned long *);
/* Attempt to parse file size encoded in filename. Returns 0 if
** parsed, non-zero if we didn't parse. */
/* Here are some high-level functions that call the above */
/* Adding messages to the maildir, in two easy steps: */
int maildir_quota_add_start(const char *maildir,
struct maildirsize *info,
int64_t msgsize, int nmsgs,
const char *newquota);
void maildir_quota_add_end(struct maildirsize *info,
int64_t msgsize, int nmsgs);
/* When we're deleting messages, we want an unconditional quota update */
void maildir_quota_deleted(const char *maildir,
int64_t nbytes, /* Must be negative */
int nmsgs); /* Must be negative */
/* Can we delete or undelete messages? This is like maildir_quota_add_start
** and maildir_quota_add_end, except that if deleted messages are included in
** the quota, they are compiled to no-ops
*/
int maildir_quota_delundel_start(const char *maildir,
struct maildirsize *info,
int64_t msgsize, int nmsgs);
void maildir_quota_delundel_end(struct maildirsize *info,
int64_t msgsize, int nmsgs);
/* Set a new quota on the maildir; */
void maildir_quota_set(const char *dir, const char *quota);
/* Forcibly recalculate the maildir's quota */
void maildir_quota_recalculate(const char *maildir);
/*
** Should the following folder/file be included in the quota?
** (excludes TRASH and deleted files, if configured to do so)
*/
int maildirquota_countfolder(const char *folder);
int maildirquota_countfile(const char *filename);
void maildir_deliver_quota_warning(const char *dir, const int percent,
const char *msgquotafile);
#ifdef __cplusplus
}
#endif
#endif
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