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.
21 #include "void_list.h"
22 #include "nv_pair_list.h"
23 #include "libbb/libbb.h"
25 void nv_pair_list_init(nv_pair_list_t *list)
27 void_list_init((void_list_t *) list);
30 void nv_pair_list_deinit(nv_pair_list_t *list)
32 nv_pair_list_elt_t *pos;
35 while(!void_list_empty(list)) {
36 pos = nv_pair_list_pop(list);
39 nv_pair = (nv_pair_t *) pos->data;
40 nv_pair_deinit(nv_pair);
41 /* malloced in nv_pair_list_append */
46 void_list_deinit((void_list_t *) list);
49 nv_pair_t *nv_pair_list_append(nv_pair_list_t *list, const char *name, const char *value)
51 /* freed in nv_pair_list_deinit */
52 nv_pair_t *nv_pair = xcalloc(1, sizeof(nv_pair_t));
53 nv_pair_init(nv_pair, name, value);
54 void_list_append((void_list_t *) list, nv_pair);
59 void nv_pair_list_push(nv_pair_list_t *list, nv_pair_t *data)
61 void_list_push((void_list_t *) list, data);
64 nv_pair_list_elt_t *nv_pair_list_pop(nv_pair_list_t *list)
66 return (nv_pair_list_elt_t *) void_list_pop((void_list_t *) list);
69 char *nv_pair_list_find(nv_pair_list_t *list, char *name)
71 nv_pair_list_elt_t *iter;
74 list_for_each_entry(iter, &list->head, node) {
75 nv_pair = (nv_pair_t *)iter->data;
76 if (strcmp(nv_pair->name, name) == 0) {
77 return nv_pair->value;
83 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, nv_pair_list_elt_t *node) {
88 return (nv_pair_list_elt_t * )void_list_prev((void_list_t *) list, (void_list_elt_t *)node);
91 nv_pair_list_elt_t *nv_pair_list_next(nv_pair_list_t *list, nv_pair_list_elt_t *node) {
92 return (nv_pair_list_elt_t * )void_list_next((void_list_t *) list, (void_list_elt_t *)node);
95 nv_pair_list_elt_t *nv_pair_list_last(nv_pair_list_t *list) {
96 return (nv_pair_list_elt_t * )void_list_last((void_list_t *) list);