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authorLukas Fleischer <calcurse@cryptocrack.de>2011-04-12 19:10:50 +0200
committerLukas Fleischer <calcurse@cryptocrack.de>2011-04-19 11:42:32 +0200
commit0eb1da8dd7fa3ae9d95e12df6058fb41a5ec1c11 (patch)
tree32a81e56c92d1c697b7b348ccf8c749a9edac497 /src/apoint.c
parent7758a418518bb4af0aa20bab0bbd360658d2fbc7 (diff)
downloadcalcurse-0eb1da8dd7fa3ae9d95e12df6058fb41a5ec1c11.tar.gz
calcurse-0eb1da8dd7fa3ae9d95e12df6058fb41a5ec1c11.zip
Add linked lists implementation.
As discussed on the mailing lists, the various linked list implementations we currently use at a dozen of different places in the calcurse source tree are inconvenient and should be replaced by a single generic solution. This is a first approach to introduce such a generic implemetation. It provides following functions: * llist_init(): Initialize a list. * llist_free_inner(): Loop through a list and free all items. * llist_free(): Free the list itself (but not the individual items). * llist_first(): Get the first item of a list. * llist_nth(): Get the nth item of a list. * llist_next(): Get the successor of a list item. * llist_find_first(): Find an item using a callback function. * llist_find_next(): Find the next match using a callback function. * llist_find_nth(): Find the nth item in a list (using a callback). * llist_get_data(): Get a pointer to the actual data of a list item. * llist_add(): Add an item at the end of a list. * llist_add_sorted(): Add an item to a sorted list (using a comparison callback function). * llist_remove(): Remove an item from a list. Linked lists are stored in "llist_t" structures, list items are to be stored in "llist_item_t" structs. All of the llist_*() functions either expect a pointer to a llist_t structure (in case the function operates on the list itself) or a pointer to a llist_item_t (llist_*_next() and llist_get_data()). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
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