mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
128 lines
2.6 KiB
C
128 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of LVM2.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU Lesser General Public License v.2.1.
|
|
*
|
|
* You should have received a copy of the GNU Lesser 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
|
|
*/
|
|
|
|
#include "lib.h"
|
|
#include "str_list.h"
|
|
|
|
struct dm_list *str_list_create(struct dm_pool *mem)
|
|
{
|
|
struct dm_list *sl;
|
|
|
|
if (!(sl = dm_pool_alloc(mem, sizeof(struct dm_list)))) {
|
|
log_errno(ENOMEM, "str_list allocation failed");
|
|
return NULL;
|
|
}
|
|
|
|
dm_list_init(sl);
|
|
|
|
return sl;
|
|
}
|
|
|
|
int str_list_add(struct dm_pool *mem, struct dm_list *sll, const char *str)
|
|
{
|
|
struct str_list *sln;
|
|
|
|
if (!str)
|
|
return_0;
|
|
|
|
/* Already in list? */
|
|
if (str_list_match_item(sll, str))
|
|
return 1;
|
|
|
|
if (!(sln = dm_pool_alloc(mem, sizeof(*sln))))
|
|
return_0;
|
|
|
|
sln->str = str;
|
|
dm_list_add(sll, &sln->list);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int str_list_del(struct dm_list *sll, const char *str)
|
|
{
|
|
struct dm_list *slh, *slht;
|
|
|
|
dm_list_iterate_safe(slh, slht, sll) {
|
|
if (!strcmp(str, dm_list_item(slh, struct str_list)->str))
|
|
dm_list_del(slh);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int str_list_dup(struct dm_pool *mem, struct dm_list *sllnew,
|
|
const struct dm_list *sllold)
|
|
{
|
|
struct str_list *sl;
|
|
|
|
dm_list_init(sllnew);
|
|
|
|
dm_list_iterate_items(sl, sllold) {
|
|
if (!str_list_add(mem, sllnew, dm_pool_strdup(mem, sl->str)))
|
|
return_0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Is item on list?
|
|
*/
|
|
int str_list_match_item(const struct dm_list *sll, const char *str)
|
|
{
|
|
struct str_list *sl;
|
|
|
|
dm_list_iterate_items(sl, sll)
|
|
if (!strcmp(str, sl->str))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Is at least one item on both lists?
|
|
* If tag_matched is non-NULL, it is set to the tag that matched.
|
|
*/
|
|
int str_list_match_list(const struct dm_list *sll, const struct dm_list *sll2, const char **tag_matched)
|
|
{
|
|
struct str_list *sl;
|
|
|
|
dm_list_iterate_items(sl, sll)
|
|
if (str_list_match_item(sll2, sl->str)) {
|
|
if (tag_matched)
|
|
*tag_matched = sl->str;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Do both lists contain the same set of items?
|
|
*/
|
|
int str_list_lists_equal(const struct dm_list *sll, const struct dm_list *sll2)
|
|
{
|
|
struct str_list *sl;
|
|
|
|
if (dm_list_size(sll) != dm_list_size(sll2))
|
|
return 0;
|
|
|
|
dm_list_iterate_items(sl, sll)
|
|
if (!str_list_match_item(sll2, sl->str))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|