diff options
author | Anthony G. Basile <blueness@gentoo.org> | 2012-11-17 16:22:12 -0500 |
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committer | Anthony G. Basile <blueness@gentoo.org> | 2012-11-17 16:22:12 -0500 |
commit | 7730dfb5e1fc7e2f8b1df0eb9ef62c451a5f725f (patch) | |
tree | 1f96b7f42e8326d11be9a11f12c98ee4a30cfc70 /src/udev/set.h | |
parent | b0dd066bccc9bfabc3df290debc1d55dfb9596e5 (diff) |
Restructure src/ as per lu_zero
Diffstat (limited to 'src/udev/set.h')
-rw-r--r-- | src/udev/set.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/udev/set.h b/src/udev/set.h new file mode 100644 index 0000000000..9162e2ae80 --- /dev/null +++ b/src/udev/set.h @@ -0,0 +1,71 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#pragma once + +/*** + 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 Lesser General Public License as published by + the Free Software Foundation; either version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +/* Pretty straightforward set implementation. Internally based on the + * hashmap. That means that as a minor optimization a NULL set + * object will be treated as empty set for all read + * operations. That way it is not necessary to instantiate an object + * for each set use. */ + +#include "hashmap.h" + +typedef struct Set Set; + +Set *set_new(hash_func_t hash_func, compare_func_t compare_func); +void set_free(Set* s); +void set_free_free(Set *s); +Set* set_copy(Set *s); +int set_ensure_allocated(Set **s, hash_func_t hash_func, compare_func_t compare_func); + +int set_put(Set *s, void *value); +int set_replace(Set *s, void *value); +void *set_get(Set *s, void *value); +bool set_contains(Set *s, void *value); +void *set_remove(Set *s, void *value); +int set_remove_and_put(Set *s, void *old_value, void *new_value); + +int set_merge(Set *s, Set *other); +void set_move(Set *s, Set *other); +int set_move_one(Set *s, Set *other, void *value); + +unsigned set_size(Set *s); +bool set_isempty(Set *s); + +void *set_iterate(Set *s, Iterator *i); +void *set_iterate_backwards(Set *s, Iterator *i); +void *set_iterate_skip(Set *s, void *value, Iterator *i); + +void set_clear(Set *s); +void set_clear_free(Set *s); + +void *set_steal_first(Set *s); +void* set_first(Set *s); +void* set_last(Set *s); + +char **set_get_strv(Set *s); + +#define SET_FOREACH(e, s, i) \ + for ((i) = ITERATOR_FIRST, (e) = set_iterate((s), &(i)); (e); (e) = set_iterate((s), &(i))) + +#define SET_FOREACH_BACKWARDS(e, s, i) \ + for ((i) = ITERATOR_LAST, (e) = set_iterate_backwards((s), &(i)); (e); (e) = set_iterate_backwards((s), &(i))) |