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Home » U++ Library support » U++ Core » LoadFile("/sys/devices/virtual/thermal/ ...") does not work
Re: LoadFile("/sys/devices/virtual/thermal/ ...") does not work [message #58417 is a reply to message #58416] Wed, 18 May 2022 11:10 Go to previous messageGo to previous message
Tom1
Messages: 1217
Registered: March 2007
Senior Contributor
mirek wrote on Wed, 18 May 2022 12:04
Tom1 wrote on Wed, 18 May 2022 10:47
mirek wrote on Wed, 18 May 2022 11:29
Empty file issue fixed (with len >= 0).

Not sure what do you mean with IsVoid problem, piece of code maybe?

OK, I found the reason causing part of my testing issues:
	if(String::GetVoid().IsVoid()) Cout() << "String::GetVoid().IsVoid() works!\n";
	else Cout() << "String::GetVoid().IsVoid() fails!\n";
	if(IsVoid(String::GetVoid())) Cout() << "IsVoid(String::GetVoid()) works!\n";
	else Cout() << "IsVoid(String::GetVoid()) fails!\n";



Best regards,

Tom

EDIT: Improved test code.


Uhm, that is actually API problem:

IsVoid(const Value&) function is about Value - it tells you that Value was not assigned anything. In above example you assign it a String, so it must return false.

I agree this is a bit confusing, but I am not sure there is a solution to that.

Mirek


How about introducing an additional IsVoid variant?:
bool IsVoid(const String &s){ return s.IsVoid(); }

Best regards,

Tom
 
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