RE: opendir(), getcwd

[Scott Klement <klemscot@xxxxxxxxxxxx>]

Hi Martin,

> I'm not sure about the APIs, but in that snippet above you don't have
> RetVal defined.  Did you perhaps mean to type %addr(dh)?

It's implied that dh is a pointer, since that's what opendir() returns.
It's also implied that RetVal is a character string, since that's what
getcwd() loads into it's first parameter.

Passing %addr(dh) as the first parameter to opendir() would be a very bad
idea.  In fact, you should make sure that NOTHING changes the value of dh
between the time you call opendir() and the time you call closedir()
because otherwise you won't be able to free-up the resources that
opendir() allocated.

In any case, though, loading the name of the current directory into a
pointer field doesn't make any sense...  pointers can only store
addresses, they can't store pathnames.  You'd have "unpredicatable
results" :)