/* * alpm_alpm_list.h * * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ #ifndef _ALPM_LIST_H #define _ALPM_LIST_H #include "alpm.h" /* Chained list struct */ struct __alpm_list_t { void *data; struct __alpm_list_t *prev; struct __alpm_list_t *next; }; /* TODO we should do away with these... they're messy */ #define _FREELIST(p, f) do { if(p) { alpm_list_free(p, f); p = NULL; } } while(0) #define FREELIST(p) _FREELIST(p, free) #define FREELISTPTR(p) _FREELIST(p, NULL) typedef void (*alpm_list_fn_free)(void *); /* item deallocation callback */ typedef int (*alpm_list_fn_cmp)(const void *, const void *); /* item comparison callback */ /* allocation */ alpm_list_t *alpm_list_new(void); void alpm_list_free(alpm_list_t *list, alpm_list_fn_free fn); void alpm_list_free_outer(alpm_list_t *list); /* item mutators */ alpm_list_t *alpm_list_add(alpm_list_t *list, void *data); alpm_list_t *alpm_list_add_sorted(alpm_list_t *list, void *data, alpm_list_fn_cmp fn); alpm_list_t* alpm_list_mmerge(alpm_list_t *left, alpm_list_t *right, alpm_list_fn_cmp fn); alpm_list_t* alpm_list_msort(alpm_list_t *list, int n, alpm_list_fn_cmp fn); alpm_list_t *alpm_list_remove(alpm_list_t *haystack, void *needle, alpm_list_fn_cmp fn, void **data); alpm_list_t *alpm_list_remove_dupes(alpm_list_t *list); alpm_list_t *alpm_list_strdup(alpm_list_t *list); alpm_list_t *alpm_list_reverse(alpm_list_t *list); /* item accessors */ alpm_list_t *alpm_list_first(alpm_list_t *list); alpm_list_t* alpm_list_nth(alpm_list_t *list, int n); alpm_list_t *alpm_list_next(alpm_list_t *list); alpm_list_t *alpm_list_last(alpm_list_t *list); void *alpm_list_getdata(const alpm_list_t *entry); #define alpm_list_data(type, list) (type)alpm_list_getdata((list)) /* misc */ int alpm_list_count(const alpm_list_t *list); int alpm_list_is_in(const void *needle, alpm_list_t *haystack); int alpm_list_is_strin(const char *needle, alpm_list_t *haystack); #endif /* _ALPM_LIST_H */ /* vim: set ts=2 sw=2 noet: */