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
);