1 /* nv_pair_list.c - the opkg package management system
5 Copyright (C) 2001 University of Southern California
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
19 #include "void_list.h"
20 #include "nv_pair_list.h"
21 #include "libbb/libbb.h"
23 void nv_pair_list_init(nv_pair_list_t * list)
25 void_list_init((void_list_t *) list);
28 void nv_pair_list_deinit(nv_pair_list_t * list)
30 nv_pair_list_elt_t *pos;
33 while (!void_list_empty(list)) {
34 pos = nv_pair_list_pop(list);
37 nv_pair = (nv_pair_t *) pos->data;
38 nv_pair_deinit(nv_pair);
39 /* malloced in nv_pair_list_append */
44 void_list_deinit((void_list_t *) list);
47 nv_pair_t *nv_pair_list_append(nv_pair_list_t * list, const char *name,
50 /* freed in nv_pair_list_deinit */
51 nv_pair_t *nv_pair = xcalloc(1, sizeof(nv_pair_t));
52 nv_pair_init(nv_pair, name, value);
53 void_list_append((void_list_t *) list, nv_pair);
58 void nv_pair_list_push(nv_pair_list_t * list, nv_pair_t * data)
60 void_list_push((void_list_t *) list, data);
63 nv_pair_list_elt_t *nv_pair_list_pop(nv_pair_list_t * list)
65 return (nv_pair_list_elt_t *) void_list_pop((void_list_t *) list);
68 char *nv_pair_list_find(nv_pair_list_t * list, char *name)
70 nv_pair_list_elt_t *iter;
73 list_for_each_entry(iter, &list->head, node) {
74 nv_pair = (nv_pair_t *) iter->data;
75 if (strcmp(nv_pair->name, name) == 0) {
76 return nv_pair->value;
82 nv_pair_list_elt_t *nv_pair_list_first(nv_pair_list_t * list)
84 return (nv_pair_list_elt_t *) void_list_first((void_list_t *) list);
87 nv_pair_list_elt_t *nv_pair_list_prev(nv_pair_list_t * list,
88 nv_pair_list_elt_t * node)
90 return (nv_pair_list_elt_t *) void_list_prev((void_list_t *) list,
91 (void_list_elt_t *) node);
94 nv_pair_list_elt_t *nv_pair_list_next(nv_pair_list_t * list,
95 nv_pair_list_elt_t * node)
97 return (nv_pair_list_elt_t *) void_list_next((void_list_t *) list,
98 (void_list_elt_t *) node);
101 nv_pair_list_elt_t *nv_pair_list_last(nv_pair_list_t * list)
103 return (nv_pair_list_elt_t *) void_list_last((void_list_t *) list);