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Re: [lwip-users] ppp_new gprs
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From: |
Sylvain Rochet |
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Subject: |
Re: [lwip-users] ppp_new gprs |
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Date: |
Wed, 12 Jun 2013 16:34:36 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi Nikolas,
On Wed, Jun 12, 2013 at 10:38:07PM +1000, Nikolas Karakotas wrote:
> Hi Sylvain,
>
> At what case does your sio_read returns len < 0 ?
This is just an example, mine never return < 0, however, a read()
function which is conforming to POSIX.1-2001 returns -1 in case of
error:
"READ(2)
read - read from a file descriptor
On error, -1 is returned, and errno is set appropriately."
Sylvain
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