[fpc-pascal] Re: Fpc Access Violation if AppConfigDir doesn't exist.

[Reinier Olislagers]

On 9-2-2013 10:25, Michael Van Canneyt wrote:
> On Sat, 9 Feb 2013, Reinier Olislagers wrote:
>> On 9-2-2013 1:49, Giuliano Colla wrote:
>>> It turned out that the reason was simply that the default AppConfigDir
>>> (~/.config/ ) wasn't there, and therefore in the two usual lines
>>>
>>> AppConfigFileName:= GetAppConfigFile(False);
>>> ini := TIniFile.Create(AppConfigFileName);
>>>
>>> the second line was generating the access violation.
>>>
>>> Desktop specs tell where configuration data should go, but they don't
>>> guarantee that the directory exists. Other applications take care of
>>> creating if it doesn't exist, but its presence depends on which
>>> applications you launch.
>>>
>>> Of course, once one knows, one can use ForceDirectories in the
>>> application code, but it would be much more user friendly if
>>> XdgConfigHome (or SysConfigDir when it will be implemented) in sysutils
>>> took care of that. You ask for the default configuration path to put
>>> your data in, and you get a sane and *existing* path.
>>> It would also be nice if TIniFile.Create didn't generate an Access
>>> Violation if the file can't be created.
>>>
>>> Should I open an issue on the bugtracker on this subject, or I'm the
>>> only one to think that it's a bug/required feature?
>>>
>> If I were you, I'd open an issue. I agree this is a problem.
> 
> It is not a problem.

It is indeed not a problem if this is user code, not default code in a
Lazarus application. Didn't understand Giuliano's message to mean that.