Mercurial > dovecot > core-2.2
view src/lib-index/mail-hash.h @ 29:e9375147c0cb HEAD
Added write_full() which is a simple wrapper around write() meant for
writing into files.
When there's too much deleted data in index files, they're now compressed
when the index is being opened.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Mon, 26 Aug 2002 02:46:59 +0300 |
parents | 3b1985cbc908 |
children | 1ab58549429d |
line wrap: on
line source
#ifndef __MAIL_HASH_H #define __MAIL_HASH_H typedef struct _MailHashHeader MailHashHeader; typedef struct _MailHashRecord MailHashRecord; struct _MailHashHeader { unsigned int indexid; unsigned int used_records; }; struct _MailHashRecord { unsigned int uid; off_t position; }; /* Open or create a hash file for index. If the hash needs to be created, it's also immediately built from the given index. */ int mail_hash_create(MailIndex *index); int mail_hash_open_or_create(MailIndex *index); void mail_hash_free(MailHash *hash); /* Synchronize the hash file with memory map */ int mail_hash_sync_file(MailHash *hash); /* Rebuild hash from index and reset the FLAG_REBUILD_HASH in header. The index must have an exclusive lock before this function is called. */ int mail_hash_rebuild(MailHash *hash); /* Returns position in index file to given UID, or 0 if not found. */ off_t mail_hash_lookup_uid(MailHash *hash, unsigned int uid); /* Update hash file. If pos is 0, the record is deleted. This call may rebuild the hash if it's too full. */ void mail_hash_update(MailHash *hash, unsigned int uid, off_t pos); #endif