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/* nv_pair_list.c - the opkg package management system
Carl D. Worth
Copyright (C) 2001 University of Southern California
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, 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.
*/
#include "nv_pair.h"
#include "void_list.h"
#include "nv_pair_list.h"
#include "libbb/libbb.h"
void nv_pair_list_init(nv_pair_list_t * list)
{
void_list_init((void_list_t *) list);
}
void nv_pair_list_deinit(nv_pair_list_t * list)
{
nv_pair_list_elt_t *pos;
nv_pair_t *nv_pair;
while (!void_list_empty(list)) {
pos = nv_pair_list_pop(list);
if (!pos)
break;
nv_pair = (nv_pair_t *) pos->data;
nv_pair_deinit(nv_pair);
/* malloced in nv_pair_list_append */
free(nv_pair);
pos->data = NULL;
free(pos);
}
void_list_deinit((void_list_t *) list);
}
nv_pair_t *nv_pair_list_append(nv_pair_list_t * list, const char *name,
const char *value)
{
/* freed in nv_pair_list_deinit */
nv_pair_t *nv_pair = xcalloc(1, sizeof(nv_pair_t));
nv_pair_init(nv_pair, name, value);
void_list_append((void_list_t *) list, nv_pair);
return nv_pair;
}
void nv_pair_list_push(nv_pair_list_t * list, nv_pair_t * data)
{
void_list_push((void_list_t *) list, data);
}
nv_pair_list_elt_t *nv_pair_list_pop(nv_pair_list_t * list)
{
return (nv_pair_list_elt_t *) void_list_pop((void_list_t *) list);
}
char *nv_pair_list_find(nv_pair_list_t * list, char *name)
{
nv_pair_list_elt_t *iter;
nv_pair_t *nv_pair;
list_for_each_entry(iter, &list->head, node) {
nv_pair = (nv_pair_t *) iter->data;
if (strcmp(nv_pair->name, name) == 0) {
return nv_pair->value;
}
}
return NULL;
}
nv_pair_list_elt_t *nv_pair_list_first(nv_pair_list_t * list)
{
return (nv_pair_list_elt_t *) void_list_first((void_list_t *) list);
}
nv_pair_list_elt_t *nv_pair_list_next(nv_pair_list_t * list,
nv_pair_list_elt_t * node)
{
return (nv_pair_list_elt_t *) void_list_next((void_list_t *) list,
(void_list_elt_t *) node);
}
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