Function dfs_dentry_full_path

components/dfs/dfs_v2/src/dfs_dentry.c:365–391

* @brief Get the full path of a directory entry by combining mount point and relative path * * @param[in] dentry Pointer to the directory entry structure * * @return char* Newly allocated string containing full path, or NULL if allocation failed * * @note The caller is responsible for freeing the returned string using rt_free() * @note Handles path concatenation with or without additional '

 * @note Handles path concatenation with or without additional '/' separator
 */
char* dfs_dentry_full_path(struct dfs_dentry* dentry)
{
    char *path = NULL;

    if (dentry && dentry->mnt)
    {
        int mnt_len = strlen(dentry->mnt->fullpath);
        int path_len = strlen(dentry->pathname);

        path = (char *) rt_malloc(mnt_len + path_len + 3);
        if (path)
        {
            if (dentry->pathname[0] == '/' || dentry->mnt->fullpath[mnt_len - 1] == '/')
            {
                rt_snprintf(path, mnt_len + path_len + 2, "%s%s", dentry->mnt->fullpath,
                    dentry->pathname);
            }
            else
            {
                rt_snprintf(path, mnt_len + path_len + 2, "%s/%s", dentry->mnt->fullpath,
                    dentry->pathname);
            }
        }
    }

    return path;
}

/**
 * @brief Get the parent directory path of a dentry by combining mount point and path