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* Add a garbage collector for note filesLukas Fleischer2011-10-051-0/+113
| | | | | | | | | | | | Now that we use hashes to identify notes, a garbage collector comes in handy. We search for note files that aren't referenced anywhere. Such files might come up if a note, that isn't connected with any other item, is edited. Huge parts of this code are very hackish due to our data structure layout and the way our hash table implementation works. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not unlink() note files on note removalLukas Fleischer2011-10-051-10/+2
| | | | | | | | | | Now that we use hash-based note file names, note files should never be unlinked as a note file might be shared. Also, remove the ERASE_FORCE_KEEP_NOTE flag that no longer makes any sense. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use hash-bashed file names in edit_note()Lukas Fleischer2011-10-051-11/+31
| | | | | | | | | | | | | | | | | | Note file names are now generated based on their content. Items using the same note will share a single note file. Please note that this implies a few changes: * Both random-style and hash-style note files need to be handled to ensure we do not break backwards compatibility. * Note files may not be moved or deleted if a note is changed or removed since the original note file might be used by another item as well. * A garbage collector to remove unreferenced note files needs to be implemented. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Accept variable length note namesLukas Fleischer2011-10-051-3/+14
| | | | | | | | Read up to the first blank in note_read() instead of assuming a fixed-width note file name. Accept everything up to 40 characters (which is the length of a SHA1 hash in hexadecimal representation). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Refactor out note deserializationLukas Fleischer2011-10-051-0/+9
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Refactor out note functionsLukas Fleischer2011-07-211-0/+90
* Add new note_edit() and note_view() helper functions. Use these instead of copy-pasted code in *_note_edit(). * Move all note-related functions (note_edit(), note_view(), note_erase()) to a new source file "note.c". Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>