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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* get_path.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "common.h"
#include <string.h>
#include <stdlib.h>
char *sqfs_tree_node_get_path(const sqfs_tree_node_t *node)
{
const sqfs_tree_node_t *it;
char *str, *ptr;
size_t len = 0;
if (node->parent == NULL) {
if (node->name[0] != '\0')
return strdup((const char *)node->name);
return strdup("/");
}
for (it = node; it != NULL && it->parent != NULL; it = it->parent) {
len += strlen((const char *)it->name) + 1;
}
str = malloc(len + 1);
if (str == NULL)
return NULL;
ptr = str + len;
*ptr = '\0';
for (it = node; it != NULL && it->parent != NULL; it = it->parent) {
len = strlen((const char *)it->name);
ptr -= len;
memcpy(ptr, (const char *)it->name, len);
*(--ptr) = '/';
}
return str;
}
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