Function sys_rename

components/lwp/lwp_syscall.c:8265–8285

* @brief Rename or move a file or directory. * * This function renames or moves a file or directory from `oldpath` to `newpath`. * If the `newpath` exists, it may be overwritten depending on the system's file system behavior and * the permissions of the files involved. * * @param[in] oldpath The current path of the file or directory to rename or move. * @param[in] newpath The new path or

 * @see sys_unlink(), sys_mkdir(), sys_access()
 */
sysret_t sys_rename(const char *oldpath, const char *newpath)
{
    int ret = -1;
#ifdef ARCH_MM_MMU
    int err;

    err = lwp_user_strlen(oldpath);
    if (err <= 0)
    {
        return -EFAULT;
    }

    err = lwp_user_strlen(newpath);
    if (err <= 0)
    {
        return -EFAULT;
    }
#endif
    ret = rename(oldpath, newpath);
    return (ret < 0 ? GET_ERRNO() : ret);
}

typedef unsigned long long rlim_t;