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* Declare several parameters/variables constantLukas Fleischer2012-05-081-4/+4
| | | | | | | | | | | | Add the "const" keyword to parameters and variables that are never modified. Most of these were spotted by "-Wwrite-strings". We cast the second parameter to execvp() explicitly as it expects a "char *const[]" where it should expect a "const char *const[]" (according to the documentation, this is due to compatibility reasons). This should be changed once we come up with a better solution. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Add prototypes for hash table functionsLukas Fleischer2012-04-211-0/+1
| | | | | | These can be generated dynamically using the HTABLE_PROTOTYPE macro. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Update copyright rangesLukas Fleischer2012-03-261-1/+1
| | | | | | Add 2012 to the copyright range for all source and documentation files. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix hash table issues with ISO C99Lukas Fleischer2012-02-191-3/+7
| | | | | | | | | | ISO C99 forbids unnamed structs/unions and nested functions. Move the "HTABLE_HEAD" and "HTABLE_GENERATE" parts out of the function body and place them at the very top of the file (where function definitions are allowed). Also, remove the unnamed struct from "htable.h" (which was useless anyway). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Fix up strncat() usageLukas Fleischer2012-02-181-2/+2
| | | | | | | | | | | | | | | The last argument to strncat() should not be the total buffer length; it should be the space remaining: The strncat() function shall append not more than n bytes (a null byte and bytes that follow it are not appended) from the array pointed to by s2 to the end of the string pointed to by s1. The initial byte of s2 overwrites the null byte at the end of s1. A terminating null byte is always appended to the result. This patch fixes a couple of potential buffer overflow vulnerabilities. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Split note file generation into separate functionLukas Fleischer2012-01-171-0/+19
| | | | | | | We currently use this in one place only but might reuse this a couple of times later (when migrating to libical). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Do not cast unused return values to voidLukas Fleischer2011-11-021-1/+1
| | | | | | | | | | | | | | | | | | | | A small style fix that removes all remaining "(void)" casts. Using these isn't encouraged in GNU coding guidelines and doesn't serve a certain purpose, except for satisfying a few static code analysis tools. We already nuked some of these in previous patches, but this semantic patch should fix what's left: @@ identifier func; @@ - (void)func ( + func ( ...); Long lines were re-formatted manually. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* 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>
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