Discookie wrote:
``::open`` and ``::std::fstream::open`` are matched as two different things
already.
```c++
#include <fcntl.h>
#include <fstream>
void f() {
int fd = open("file.txt", O_RDONLY, 0);
std::ifstream file;
file.open("file.txt");
}
```
```
-- matches ::open
{CheckOptions:{bugprone-unsafe-functions.ReportDefaultFunctions: false,
bugprone-unsafe-functions.CustomFunctions: '^::open$,replacement,bla'}}
-- matches .open
{CheckOptions:{bugprone-unsafe-functions.ReportDefaultFunctions: false,
bugprone-unsafe-functions.CustomFunctions:
'std::basic_ifstream.*::open,replacement,bla'}}
```
I do realize that the matching of templates and child classes in general need a
bit of a cleanup.
https://github.com/llvm/llvm-project/pull/117165
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