vbvictor wrote:
> You can probably also add the -Wstrict-prototypes to the ExtraArgs field in
> the .clang-tidy file.
This is a good workaround (maybe not very well-known)
So you have config
```yaml
# .clang-tidy
Checks: clang-diagnostic-strict-prototypes
ExtraArgs: ["-Wstrict-prototypes"]
```
Then you can have clang's output in clang-tidy:
```
main.c:1:22: warning: a function declaration without a prototype is deprecated
in all versions of C [clang-diagnostic-strict-prototypes]
1 | void foo(void (*ptr)(), int y);
| ^
| void
main.c:3:11: warning: a function declaration without a prototype is deprecated
in all versions of C [clang-diagnostic-strict-prototypes]
3 | int main() {
| ^
| void
main.c:4:16: warning: a function declaration without a prototype is deprecated
in all versions of C [clang-diagnostic-strict-prototypes]
4 | void (*ptr)() = &foo;
| ^
| void
```
https://github.com/llvm/llvm-project/pull/161023
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