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RE: patch to make drive letters work in file:// urls under Window s

From: David Byron <DByron_at_everdreamcorp.com>
Date: Fri, 8 Aug 2003 10:50:40 -0700

On Fri, 8 Aug 2003, Daniel Stenberg wrote:

> Thanks. I've applied and committed with a minor fix: since
> you increase the path pointer, we need to be careful to
> always free() to original pointer before the increment.

Thanks for catching that. Something else that Dan Fandrich mentioned that I
didn't implement was length checking. This may open a bigger can of worms,
but Curl_file_connect dereferences conn and conn->path without checking for
NULL. The patch also dereferences path[2] without checking first that the
string is that long.

Do you have some global policy for checking for NULL? Something that uses
assert or some custom defined ASSERT()?

In any case, here's a patch to add a strlen() check before dereferencing
actual_path[2] (diff against file.c.1.32). Had the urge to add some
parentheses which I should have added before. Hope that's OK.

A few ways to test this come to mind. All of them require a bit more code
-- either more messages, and teaching the test harness to look at them, or
some external memory test tool.

-DB

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Received on 2003-08-08