Re: [lwip-devel] FW: Initialization of global variables

[Boštjan Meglič]

Hi Evan,

check this link (read the whole thread):
http://lists.nongnu.org/archive/html/lwip-devel/2012-03/msg00008.html

Bostjan


On 14.3.2012 8:26, Evan Hunter wrote:
> Hi All,
>
> I have noticed that many of the global variables used in LwIP are not
> initialized properly.
>
> My link script / crt0 avoids initializing anything that has not been
> specifically requested to be initialized, and consequently I am seeing
> pointer errors due to LwIP using pointer that it doesn’t initialize.
>
> Some of the offending variables are:

> I suggest that tcp_init(), udp_init() and ip_init() should be changed
> from a macro to a function to memset the appropriate variables.
>
> The h_errno variable can be set to NULL in its declaration.
>
> The netif variables could be initialized in netif_init().
>
> Regards,
>
> Evan Hunter
>
>
>
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