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Re: [lwip-devel] possible mistake in mem.h


From: Jonathan Larmour
Subject: Re: [lwip-devel] possible mistake in mem.h
Date: Wed, 30 Jan 2008 12:46:49 +0000
User-agent: Thunderbird 1.5.0.12 (X11/20070530)

Goldschmidt Simon wrote:
>> Please look at mem.h, line 83:
>>  void *mem_calloc(size_t count, size_t size);
>>
>> We think that the type should be mem_size_t, not just size_t;
>>
>> Under VisualC there is no problem because size_t is defined.
>> However, when we ported the source to the embedded target, its
> compiler complained.
>> typedef  u16_t size_t; solves the problem, but it's not the right way
> to do it.
>> Are we right?
> 
> As far as I know, the type 'size_t' is C-standard. If it is not defined
> on your platform, you will have problems with the socket layer also. If
> it is not defined, defining it in your port's 'cc.h' will be the right
> thing to do.

It is C standard, but only if you have #included <stddef.h>. Perhaps that's
what mem.h should do if it is referencing size_t.

Jifl
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