Re: [Mingw-w64-public] wspiapi.h:50:20: warning: cast between incompatible function types from ‘void (attribute((stdcall)) )(struct addrinfo )’ to ‘int (attribute((stdcall)) *)()’ [-Wcast-function-type]

LIU Hao Mon, 05 Aug 2024 02:27:42 -0700

在 2024-08-05 01:40, Pali Rohár 写道:

It looks like that casting whole function pointer to LPVOID type prior
casting to FARPROC mutes this warning.


Now I remember that in past I have already used casting return value
from GetProcAddress() to LPVOID and after that to the correct function
pointer type which muted gcc warnings.

No, cast to `INT_PTR` instead. Casting between function pointers and object pointers is undefined behavior in C; but it's required by POSIX, and is conditionally supported in C++.



--
Best regards,
LIU Hao

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Re: [Mingw-w64-public] wspiapi.h:50:20: warning: cast between incompatible function types from ‘void (__attribute__((stdcall)) *)(struct addrinfo *)’ to ‘int (__attribute__((stdcall)) *)()’ [-Wcast-function-type]

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Re: [Mingw-w64-public] wspiapi.h:50:20: warning: cast between incompatible function types from ‘void (attribute((stdcall)) )(struct addrinfo )’ to ‘int (attribute((stdcall)) *)()’ [-Wcast-function-type]