X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=hashmap.h;fp=hashmap.h;h=0000000000000000000000000000000000000000;hb=e99e38bbdcca3fe5956823bdb3d38544ccf93221;hp=3ff3efe8d158c694bc64a25ddc6e80a801d0f859;hpb=e9da3678fcfc774b325dc1eaa054d0e00028a1fc;p=elogind.git diff --git a/hashmap.h b/hashmap.h deleted file mode 100644 index 3ff3efe8d..000000000 --- a/hashmap.h +++ /dev/null @@ -1,85 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ - -#ifndef foohashmaphfoo -#define foohashmaphfoo - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd 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. - - systemd 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 systemd; If not, see . -***/ - -#include - -/* Pretty straightforward hash table implementation. As a minor - * optimization a NULL hashmap object will be treated as empty hashmap - * for all read operations. That way it is not necessary to - * instantiate an object for each Hashmap use. */ - -typedef struct Hashmap Hashmap; -typedef struct _IteratorStruct _IteratorStruct; -typedef _IteratorStruct* Iterator; - -#define ITERATOR_FIRST ((Iterator) 0) -#define ITERATOR_LAST ((Iterator) -1) - -typedef unsigned (*hash_func_t)(const void *p); -typedef int (*compare_func_t)(const void *a, const void *b); - -unsigned string_hash_func(const void *p); -int string_compare_func(const void *a, const void *b); - -unsigned trivial_hash_func(const void *p); -int trivial_compare_func(const void *a, const void *b); - -Hashmap *hashmap_new(hash_func_t hash_func, compare_func_t compare_func); -void hashmap_free(Hashmap *h); -Hashmap *hashmap_copy(Hashmap *h); -int hashmap_ensure_allocated(Hashmap **h, hash_func_t hash_func, compare_func_t compare_func); - -int hashmap_put(Hashmap *h, const void *key, void *value); -int hashmap_replace(Hashmap *h, const void *key, void *value); -void* hashmap_get(Hashmap *h, const void *key); -void* hashmap_remove(Hashmap *h, const void *key); -void* hashmap_remove_value(Hashmap *h, const void *key, void *value); -int hashmap_remove_and_put(Hashmap *h, const void *old_key, const void *new_key, void *value); - -int hashmap_merge(Hashmap *h, Hashmap *other); -void hashmap_move(Hashmap *h, Hashmap *other); -int hashmap_move_one(Hashmap *h, Hashmap *other, const void *key); - -unsigned hashmap_size(Hashmap *h); -bool hashmap_isempty(Hashmap *h); - -void *hashmap_iterate(Hashmap *h, Iterator *i, const void **key); -void *hashmap_iterate_backwards(Hashmap *h, Iterator *i, const void **key); -void *hashmap_iterate_skip(Hashmap *h, const void *key, Iterator *i); - -void hashmap_clear(Hashmap *h); -void *hashmap_steal_first(Hashmap *h); -void* hashmap_first(Hashmap *h); -void* hashmap_last(Hashmap *h); - -#define HASHMAP_FOREACH(e, h, i) \ - for ((i) = ITERATOR_FIRST, (e) = hashmap_iterate((h), &(i), NULL); (e); (e) = hashmap_iterate((h), &(i), NULL)) - -#define HASHMAP_FOREACH_KEY(e, k, h, i) \ - for ((i) = ITERATOR_FIRST, (e) = hashmap_iterate((h), &(i), (const void**) &(k)); (e); (e) = hashmap_iterate((h), &(i), (const void**) &(k))) - -#define HASHMAP_FOREACH_BACKWARDS(e, h, i) \ - for ((i) = ITERATOR_LAST, (e) = hashmap_iterate_backwards((h), &(i), NULL); (e); (e) = hashmap_iterate_backwards((h), &(i), NULL)) - -#endif