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/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 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 General Public License v.2.
*
* 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
*/
#include "lib.h"
#include "str_list.h"
struct list *str_list_create(struct dm_pool *mem)
{
struct list *sl;
if (!(sl = dm_pool_alloc(mem, sizeof(struct list)))) {
stack;
return NULL;
}
list_init(sl);
return sl;
}
int str_list_add(struct dm_pool *mem, struct list *sll, const char *str)
{
struct str_list *sln;
if (!str) {
stack;
return 0;
}
/* Already in list? */
if (str_list_match_item(sll, str))
return 1;
if (!(sln = dm_pool_alloc(mem, sizeof(*sln)))) {
stack;
return 0;
}
sln->str = str;
list_add(sll, &sln->list);
return 1;
}
int str_list_del(struct list *sll, const char *str)
{
struct list *slh, *slht;
list_iterate_safe(slh, slht, sll) {
if (!strcmp(str, list_item(slh, struct str_list)->str))
list_del(slh);
}
return 1;
}
int str_list_dup(struct dm_pool *mem, struct list *sllnew, struct list *sllold)
{
struct str_list *sl;
list_init(sllnew);
list_iterate_items(sl, sllold) {
if (!str_list_add(mem, sllnew, strdup(sl->str))) {
stack;
return 0;
}
}
return 1;
}
/*
* Is item on list?
*/
int str_list_match_item(struct list *sll, const char *str)
{
struct str_list *sl;
list_iterate_items(sl, sll)
if (!strcmp(str, sl->str))
return 1;
return 0;
}
/*
* Is at least one item on both lists?
*/
int str_list_match_list(struct list *sll, struct list *sll2)
{
struct str_list *sl;
list_iterate_items(sl, sll)
if (str_list_match_item(sll2, sl->str))
return 1;
return 0;
}
/*
* Do both lists contain the same set of items?
*/
int str_list_lists_equal(struct list *sll, struct list *sll2)
{
struct str_list *sl;
if (list_size(sll) != list_size(sll2))
return 0;
list_iterate_items(sl, sll)
if (!str_list_match_item(sll2, sl->str))
return 0;
return 1;
}
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