X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/4b8483ae278577a3adc8d84da81d77019704466f..156fd1c31592b821c170b5567b2fc81060359232:/ll.h?ds=inline diff --git a/ll.h b/ll.h index 3890ca9..43a5bd3 100644 --- a/ll.h +++ b/ll.h @@ -4,6 +4,8 @@ * Jonathan McDowell * * Copyright 2002 Project Purple + * + * $Id: ll.h,v 1.3 2003/06/04 20:57:10 noodles Exp $ */ #ifndef __LL_H__ @@ -50,13 +52,26 @@ struct ll { struct ll *lladd(struct ll *curll, void *object); /** + * lldel - Remove an item from a linked list. + * @curll: The list to remove the item from. + * @object: The object to remove. + * @objectcmp: A pointer to a comparision function for the object type. * + * Trawls through the list looking for the object. If it's found then it + * is removed from the list. Only one occurance is searched for. Returns + * a pointer to the head of the new list. */ struct ll *lldel(struct ll *curll, void *object, int (*objectcmp) (const void *object1, const void *object2)); /** + * llfind - Find an item in a linked list. + * @curll: The list to look in. + * @object: The object to look for. + * @objectcmp: A pointer to a comparision function for the object type. * + * Searches through a list for an object. Returns a pointer to the object + * if it's found, otherwise NULL. */ struct ll *llfind(struct ll *curll, void *object, int (*objectcmp) (const void *object1, const void *object2)); @@ -69,4 +84,16 @@ struct ll *llfind(struct ll *curll, void *object, */ unsigned long llsize(struct ll *curll); +/** + * llfree - Frees a linked list. + * @curll: The list to free. + * @objectfree: A pointer to a free function for the object. + * + * Walks through a list and free it. If a function is provided for + * objectfree then it's called for each element to free them, if it's NULL + * just the list is freed. + */ +struct ll *llfree(struct ll *curll, + void (*objectfree) (void *object)); + #endif /* __LL_H__ */