Function sys_fstatfs

components/lwp/lwp_syscall.c:9675–9693

* @brief Get filesystem statistics for a file descriptor. * * This function retrieves statistics about the filesystem containing the file referred to by the * file descriptor `fd`. The information is stored in the provided `statfs` structure, which includes * details such as total blocks, free blocks, available inodes, etc. * * @param[in] fd The file descriptor referring to an open file.

 * @see sys_statfs
 */
sysret_t sys_fstatfs(int fd, struct statfs *buf)
{
    int ret = 0;
    struct statfs statfsbuff = {0};

    if (!lwp_user_accessable((void *)buf, sizeof(struct statfs)))
    {
        return -EFAULT;
    }

    ret = _SYS_WRAP(fstatfs(fd, &statfsbuff));

    if (ret == 0)
    {
        lwp_put_to_user(buf, &statfsbuff, sizeof statfsbuff);
    }

    return ret;
}

/**
 * @brief Get 64-bit filesystem statistics for a file descriptor.