Mercurial > dovecot > core-2.2
view src/lib-index/mail-index-data.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 | 5e9cf9565353 |
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#ifndef __MAIL_INDEX_DATA_H #define __MAIL_INDEX_DATA_H #define DATA_FILE_PREFIX ".data" int mail_index_data_open(MailIndex *index); int mail_index_data_create(MailIndex *index); void mail_index_data_free(MailIndexData *data); /* Truncate the data file and update it's indexid */ int mail_index_data_reset(MailIndexData *data); /* Needs to be called whenever new messages are added. File must never be shrinked while it's open. */ void mail_index_data_new_data_notify(MailIndexData *data); /* Append new data at the end of the file. Returns the position in file where the data begins, or (off_t)-1 if error occured. */ off_t mail_index_data_append(MailIndexData *data, void *buffer, size_t size); /* Increase header->deleted_space field */ int mail_index_data_add_deleted_space(MailIndexData *data, unsigned int data_size); /* Synchronize the data into disk */ int mail_index_data_sync_file(MailIndexData *data); /* Looks up a field from data file. Returns NULL if not found or if error occured. */ MailIndexDataRecord * mail_index_data_lookup(MailIndexData *data, MailIndexRecord *index_rec, MailField field); /* Returns the next record in data file, or NULL if there's no more. */ MailIndexDataRecord * mail_index_data_next(MailIndexData *data, MailIndexRecord *index_rec, MailIndexDataRecord *rec); /* Returns TRUE if rec->data is a valid \0-terminated string */ int mail_index_data_record_verify(MailIndexData *data, MailIndexDataRecord *rec); /* Return the whole data file mmap()ed. */ void *mail_index_data_get_mmaped(MailIndexData *data, size_t *size); #endif