lib-index: Allow growing ext record_size after mail_index_update_ext() The existing records will just get some zero-padding at the end of records.

Marked functions parameters that are allowed to be NULL. Some APIs were also changed. The non-obvious APIs where NULL parameter was changed to "" are master_service_init() and auth_master_user_list_init(). These checks can currently be enabled only on a patched clang: http://llvm.org/bugs/show_bug.cgi?id=6786

Moved mail_index_seq_array_*() to mail-index-util.c and added its own .h file. --HG-- branch : HEAD

removed out of the way of new index code --HG-- branch : HEAD

Naming style changes, finally got tired of most of the typedefs. Also the previous enum -> macro change reverted so that we don't use the highest bit anymore, that's incompatible with old indexes so they will be rebuilt. --HG-- branch : HEAD

Added some missing format attribute declarations. And fixed one more bug found found with them. --HG-- branch : HEAD

Locking changes triggered a bit larger cleanup :) If we have to wait for a lock longer, the client is now notified about it every 30 seconds. Also if mailbox opening fails because of lock timeout, we won't overwrite the index anymore. Finally user gets a clear error message about lock timeout instead of "internal error". --HG-- branch : HEAD

Added --enable-debug. Currently it just forces file locks so that index files can't be written to when not holding exclusive lock. Also main index file can't be even read if we're unlocked (other files don't get notification of unlock, so they don't do this at least yet). --HG-- branch : HEAD

Moved several fields from .imap.index file to .imap.index.data file. Fixed code so that most of the fields do not need to be set when building index, allowing the index building to be fast (just readdir()s with maildir). This still needs some configuration and ability to update the fields whenever it can grab exclusive lock. Also fixed SEARCH LARGER, SMALLER and KEYWORD. --HG-- branch : HEAD

If maildir files are unexpectedly deleted, don't treat it as error, and don't return partially fetched data. Instead try to handle it just as if sync() had noticed it earlier. --HG-- branch : HEAD

lots of cleanups. also index/datafile is now capable of staying in memory, as long as it's noticed while opening the index. --HG-- branch : HEAD

Added extra functions for easier printing of error messages. Moved file_set_size() to generic function in lib. If there's no space to build hash file, it builds itself in anon-mmaped memory and stays there. --HG-- branch : HEAD

Bigger changes.. full_virtual_size was removed from index record and MessagePart caching is now forced. Also added per-message flags, including binary flags which can be used to check if CRs need to be inserted into message data. Added mbox-rewrite support which can be used to write out mbox file with updated flags. This still has the problem of being able to read changed custom flags, that'll require another bigger change. There's also several other mostly mbox related fixes. --HG-- branch : HEAD

Initial revision --HG-- branch : HEAD