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/* nv_pair_list.c - the itsy 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 "opkg.h"
#include "nv_pair.h"
#include "void_list.h"
#include "nv_pair_list.h"
int nv_pair_list_elt_init(nv_pair_list_elt_t *elt, nv_pair_t *data)
{
return void_list_elt_init((void_list_elt_t *) elt, data);
}
void nv_pair_list_elt_deinit(nv_pair_list_elt_t *elt)
{
void_list_elt_deinit((void_list_elt_t *) elt);
}
int nv_pair_list_init(nv_pair_list_t *list)
{
return void_list_init((void_list_t *) list);
}
void nv_pair_list_deinit(nv_pair_list_t *list)
{
nv_pair_list_elt_t *iter;
nv_pair_t *nv_pair;
for (iter = list->head; iter; iter = iter->next) {
nv_pair = iter->data;
nv_pair_deinit(nv_pair);
/* malloced in nv_pair_list_append */
free(nv_pair);
iter->data = NULL;
}
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)
{
int err;
/* freed in nv_pair_list_deinit */
nv_pair_t *nv_pair = malloc(sizeof(nv_pair_t));
if (nv_pair == NULL) {
fprintf(stderr, "%s: out of memory\n", __FUNCTION__);
return NULL;
}
nv_pair_init(nv_pair, name, value);
err = void_list_append((void_list_t *) list, nv_pair);
if (err) {
return NULL;
}
return nv_pair;
}
int nv_pair_list_push(nv_pair_list_t *list, nv_pair_t *data)
{
return 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;
for (iter = list->head; iter; iter = iter->next) {
nv_pair = iter->data;
if (strcmp(nv_pair->name, name) == 0) {
return nv_pair->value;
}
}
return NULL;
}
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