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/* SPDX-License-Identifier: GPL-3.0-or-later */
#include "fstree.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
static void free_recursive(tree_node_t *n)
{
tree_node_t *it;
if (S_ISDIR(n->mode)) {
while (n->data.dir->children != NULL) {
it = n->data.dir->children;
n->data.dir->children = it->next;
free_recursive(it);
}
}
free(n);
}
int fstree_init(fstree_t *fs, size_t block_size, uint32_t mtime,
uint16_t default_mode, uint32_t default_uid,
uint32_t default_gid)
{
memset(fs, 0, sizeof(*fs));
fs->defaults.st_uid = default_uid;
fs->defaults.st_gid = default_gid;
fs->defaults.st_mode = S_IFDIR | (default_mode & 07777);
fs->defaults.st_mtime = mtime;
fs->defaults.st_ctime = mtime;
fs->defaults.st_atime = mtime;
fs->defaults.st_blksize = block_size;
fs->block_size = block_size;
if (str_table_init(&fs->xattr_keys, FSTREE_XATTR_KEY_BUCKETS))
return -1;
if (str_table_init(&fs->xattr_values, FSTREE_XATTR_VALUE_BUCKETS)) {
str_table_cleanup(&fs->xattr_keys);
return -1;
}
fs->root = fstree_mknode(fs, NULL, "", 0, NULL, &fs->defaults);
if (fs->root == NULL) {
perror("initializing file system tree");
str_table_cleanup(&fs->xattr_values);
str_table_cleanup(&fs->xattr_keys);
return -1;
}
return 0;
}
void fstree_cleanup(fstree_t *fs)
{
tree_xattr_t *xattr;
while (fs->xattr != NULL) {
xattr = fs->xattr;
fs->xattr = xattr->next;
free(xattr);
}
str_table_cleanup(&fs->xattr_keys);
str_table_cleanup(&fs->xattr_values);
free_recursive(fs->root);
free(fs->inode_table);
memset(fs, 0, sizeof(*fs));
}
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