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/* vi: set expandtab sw=4 sts=4: */
/* file_list.c - the opkg package management system
Copyright (C) 2017 Michael Hansen
SPDX-License-Identifier: GPL-2.0-or-later
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 "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "file_list.h"
#include "xfuncs.h"
static int file_info_init(file_info_t *info, char *path, mode_t mode, char *link_target)
{
info->path = xstrdup(path);
info->mode = mode;
info->link_target = xstrdup(link_target);
return 0;
}
static void file_info_deinit(file_info_t *info)
{
free(info->path);
info->path = NULL;
free(info->link_target);
info->link_target = NULL;
}
file_list_t *file_list_alloc()
{
file_list_t *list = xcalloc(1, sizeof(file_list_t));
file_list_init(list);
return list;
}
void file_list_init(file_list_t *list)
{
void_list_init((void_list_t *)list);
}
void file_list_deinit(file_list_t *list)
{
file_list_elt_t *iter, *n;
file_info_t *info;
list_for_each_entry_safe(iter, n, &list->head, node) {
info = (file_info_t *) iter->data;
file_info_deinit(info);
/* malloced in file_list_append */
free(info);
iter->data = NULL;
}
void_list_deinit((void_list_t *)list);
}
file_info_t *file_list_append(file_list_t *list, char *name, mode_t mode, char *link_target)
{
/* freed in file_list_deinit */
file_info_t *info = xcalloc(1, sizeof(file_info_t));
file_info_init(info, name, mode, link_target);
void_list_append((void_list_t *)list, info);
return info;
}
static int file_list_cmp(const void *left, const void *right)
{
file_info_t *left_pkg = (file_info_t *)left;
return strcmp(left_pkg->path, (const char *)right);
}
void file_list_remove_elt(file_list_t *list, const char *path)
{
char *str = void_list_remove_elt((void_list_t *)list,
(void *)path,
file_list_cmp);
if (str)
free(str);
}
file_list_elt_t *file_list_first(file_list_t *list)
{
return (file_list_elt_t *)void_list_first((void_list_t *)list);
}
file_list_elt_t *file_list_next(file_list_t *list, file_list_elt_t * node)
{
return (file_list_elt_t *)void_list_next((void_list_t *)list,
(void_list_elt_t *)node);
}
void file_list_purge(file_list_t * list)
{
file_list_deinit(list);
free(list);
}
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