search for: attribute_return_check

...to do function return value processing,but I > can’t understand about it,can you give me some tips?thanks very much! Is your question about what ignore_value() does? It exists solely to shut up compiler warnings about anything declared with __attribute__((warn_unused_result)) (under our macro ATTRIBUTE_RETURN_CHECK), in cases where we are intentionally ignoring the return value (rather than assigning the value to a variable or using the function call in an 'if' conditional, the way the compiler warning would want us to do it). Many of the uses in libvirt code base are things like this in src/conf/dom...

Hi,using ignore_value in libvirt source code to do function return value processing,but I can’t understand about it,can you give me some tips?thanks very much!