Re: Support XDG base directory for gnuplotrc

[Henri M. <hen...@gm...>]

On 1/31/20 9:49 AM, Henri Menke wrote:
> On 1/31/20 8:46 AM, Ethan A Merritt wrote:
>> On Wednesday, 29 January 2020 20:23:28 PST Henri Menke wrote:
>>> Dear list,
>>>
>>> In merge request #12 I propose the addition of the XDG base directory
>>> specification for configuration file paths.
>>>
>>>     https://sourceforge.net/p/gnuplot/gnuplot-main/merge-requests/12/
>>>
>>> There is already some discussion on the ticket.  It seems that the
>>> overall opinion is in favor of this addition.  Is this correct?  If that
>>> is the case, could you please review the code?  After that I will write
>>> some words in the docs and we should be good to go.
>>
>> I notice that the filename is generated by a call to wordexp().
>> This is in POSIX-2001 but is not in the c99 standard, right?
>> The gnu docs say
>>   "This function is missing on some platforms: Mac OS X 10.3, OpenBSD 3.8,
>>   Minix 3.1.8, IRIX 5.3, Cygwin 1.5.x, mingw, MSVC 14, Interix 3.5, BeOS,
>>   Android 9.0."
>>
>> We have just barely got the gnuplot code base up to c99, so anything
>> beyond that should be protected by a feature test.  Is there an
>> autoconf macro for this?
>>
>> If the purpose is just to handle tilde expansion, can this dependence
>> be removed by replacing it with a call to gp_expand_tilde()?
> 
> You're right, wordexp is a POSIX function.  I will revise the code to
> use gp_expand_tilde instead.

I've updated the merge request and wrote some docs.

> Cheers, Henri
> 
>> 	Ethan
>>
>>
>>
>>