[File] GUID, UUID, endianness, and all the rest

[Christos Zoulas]

Committed a fix, thanks!

christos

> On May 17, 2026, at 8:27 AM, Christoph Biedl <astron.com.bwoj at manchmal.in-ulm.de> wrote:
> 
> Christoph Biedl wrote...
> 
>> * The current handling of guid is buggy on BE. I don't know where to
>>  fix, perhaps in mconvert.
> 
> This one does the trick for me - I doubt however it matches file's
> coding philosophy (WORDS_BIGENDIAN isn't used anywhere else in the
> code).
> 
> --- a/src/funcs.c
> +++ b/src/funcs.c
> @@ -931,6 +931,11 @@ file_parse_guid(const char *s, uint64_t *guid)
> 	    !getxvalue(&g->data4[6], s + 8, 2) ||
> 	    !getxvalue(&g->data4[7], s + 10, 2))
> 		return -1;
> +#ifdef WORDS_BIGENDIAN
> +	g->data1 = file_swap4(g->data1);
> +	g->data2 = file_swap2(g->data2);
> +	g->data3 = file_swap2(g->data3);
> +#endif
> 	return 0;
> }
> 
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