[R] R extension memory leak detection question

Duncan Murdoch murdoch@dunc@n @end|ng |rom gm@||@com
Fri Mar 12 18:38:51 CET 2021

On 12/03/2021 12:37 p.m., Duncan Murdoch wrote:
> On 12/03/2021 12:13 p.m., xiaoyan yu wrote:
>> I am writing C++ program based on R extensions and also try to test the
>> program with google address sanitizer.
>> I thought if we don't protect the variable from the allocation API such as
>> Rf_allocVector, there will be a memory leak. However, the address sanitizer
>> didn't report it. Is my understanding correct? Or I will see the memory
>> leak only if I compile R source code with the address sanitizer.
> Your question is unclear without an actual example.  It all depends on
> how the variable was created and how you use it.
> If your real code is only a few lines, post it here. 

Sorry, to R-devel, not here.

  Otherwise, please
> put together a minimal working example that contains the essence of what
> you are doing in a few lines.  Check that it compiles, and we can
> provide advice about whether it is doing dangerous things.
> Duncan Murdoch

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