Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib-index/mail-index-data.h @ 222:cf4d065f2f85 HEAD
lots of cleanups. also index/datafile is now capable of staying in memory,
as long as it's noticed while opening the index.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Sat, 14 Sep 2002 14:09:42 +0300 |
parents | ed0d5b17c7a4 |
children | ca6967899c05 |
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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); /* Append new data at the end of the file. Returns the position in file where the data begins, or 0 if error occured. */ uoff_t mail_index_data_append(MailIndexData *data, const void *buffer, size_t size); /* Increase header->deleted_space field */ int mail_index_data_add_deleted_space(MailIndexData *data, size_t 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); /* "Error in index data file %s: ...". Also marks the index file as corrupted. */ int index_data_set_corrupted(MailIndexData *data, const char *fmt, ...); #endif