Re: [lwip-devel] What is xchar() macro?

[Ambroz Bizjak]

Hi,

Clearly xchar(i) returns the uppercase hexadecimal char for the given
integer in range [0,15], or in other words "0123456789ABCDEF"[i].

On Tue, Oct 31, 2017 at 9:03 PM, Joel Cunningham <address@hidden> wrote:
>
>
> On 10/31/2017 02:56 PM, goldsimon wrote:
>>
>>
>> Joel Cunningham wrote:
>>>
>>> Looking online, I can't find any information on something called xchar
>>> that would be part of the standard C library
>>
>> Ehrm, I don't know it either. What does git blame say? I'm not at my pc
>> right now...
>
>
> From looking at the git history, it's always been this way.  The entire
> block of #ifndef isprintf with xchar was added back in 4bfbe7ebe (from 2011)
>
> Joel
>
>
>
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