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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* add_by_path.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "fstree.h"
#include <string.h>
#include <assert.h>
#include <errno.h>
tree_node_t *fstree_add_generic(fstree_t *fs, const char *path,
const struct stat *sb, const char *extra)
{
return fstree_add_generic_at(fs, fs->root, path, sb, extra);
}
tree_node_t *fstree_add_generic_at(fstree_t *fs, tree_node_t *root,
const char *path, const struct stat *sb,
const char *extra)
{
tree_node_t *child, *parent;
const char *name;
if (*path == '\0') {
child = root;
assert(child != NULL);
goto out;
}
parent = fstree_get_node_by_path(fs, root, path, true, true);
if (parent == NULL)
return NULL;
name = strrchr(path, '/');
name = (name == NULL ? path : (name + 1));
child = parent->data.children;
while (child != NULL && strcmp(child->name, name) != 0)
child = child->next;
out:
if (child != NULL) {
if (!S_ISDIR(child->mode) || !S_ISDIR(sb->st_mode) ||
!(child->flags & FLAG_DIR_CREATED_IMPLICITLY)) {
errno = EEXIST;
return NULL;
}
child->uid = sb->st_uid;
child->gid = sb->st_gid;
child->mode = sb->st_mode;
child->mod_time = sb->st_mtime;
child->flags &= ~FLAG_DIR_CREATED_IMPLICITLY;
return child;
}
return fstree_mknode(parent, name, strlen(name), extra, sb);
}
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