How to hide findings from unopened files?

[michalsieron]

Related to #985, #443, #321 (possible more).

I have two files next to each other for which I get following ALE messages:

// foo.c
#include "foo.h" /* E: Error found in header. See :ALEDetail

int main() {
    return 0; /* E: unknown type name 'string'
}

// foo.h



 string bar = 9; /* E: unknown type name 'string'

Is it possible to somehow not show E: unknown type name 'string' error from the header in the .c file?

I originally wanted to report/fix this as an issue with bitbake's oelint_adv linter, but then I noticed the same thing happens for C files as well.

[Nickalus12]

[michalsieron]

Your snippet doesn't seem to work for me. I still get the header error reported in the C file.
:ALEInfo does say that I have let g:ale_c_parse_all_errors = 0.
Is there any output I can provide to help debug that?