[Solved] In what circumstances does getcwd() return NULL?

by


Its documentation states:

ERRORS

    The getcwd() function shall fail if:

    [EINVAL]
        The size argument is 0.
    [ERANGE]
        The size argument is greater than 0, but is smaller than the length of the pathname +1.

    The getcwd() function may fail if:

    [EACCES]
        Read or search permission was denied for a component of the pathname.
    [ENOMEM]
        Insufficient storage space is available.

2

solved In what circumstances does getcwd() return NULL?