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Re: Bug in Curl_fillreadbuffer

From: Daniel Stenberg <daniel_at_haxx.se>
Date: Mon, 9 Jun 2008 09:29:22 +0200 (CEST)

On Sun, 8 Jun 2008, Brock Noland wrote:

> http://curl.haxx.se/mail/curlphp-2008-06/0021.html
>
> I seem to have found a bug in Curl_fillreadbuffer.

[...]

> else if((size_t)nread > buffersize)
> /* the read function returned a too large value */
> return CURLE_READ_ERROR;

> If nread is -1, when cast to size_t, its a very large number.

Yes, but why is that a bug in libcurl? In what legitimate use case does the
read function return -1?

It is evem documented to return a 'size_t' which on all modern operation
systems is an unsigned type.

-- 
  / daniel.haxx.se
Received on 2008-06-09