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MinGW: Avoid function cast warnings with GetProcAddress

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This commit is contained in:
Jonathan G Rennison
2021-11-09 01:08:28 +00:00
parent 49228a5ee4
commit 2b8018f5d6
6 changed files with 26 additions and 14 deletions
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2
src/os/windows/crashlog_win.cpp
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@@ -571,7 +571,7 @@ char *CrashLogWindows::AppendDecodedStacktrace(char *buffer, const char *last) c
CONST PMINIDUMP_EXCEPTION_INFORMATION,
CONST PMINIDUMP_USER_STREAM_INFORMATION,
CONST PMINIDUMP_CALLBACK_INFORMATION);
MiniDumpWriteDump_t funcMiniDumpWriteDump = (MiniDumpWriteDump_t)GetProcAddress(dbghelp, "MiniDumpWriteDump");
MiniDumpWriteDump_t funcMiniDumpWriteDump = GetProcAddressT<MiniDumpWriteDump_t>(dbghelp, "MiniDumpWriteDump");
if (funcMiniDumpWriteDump != nullptr) {
seprintf(filename, filename_last, "%scrash.dmp", _personal_dir.c_str());
HANDLE file = CreateFile(OTTD2FS(filename).c_str(), GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, 0, 0);

2
src/os/windows/font_win32.cpp
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@@ -623,7 +623,7 @@ void LoadWin32Font(FontSize fs)
/* Try a nice little undocumented function first for getting the internal font name.
* Some documentation is found at: http://www.undocprint.org/winspool/getfontresourceinfo */
typedef BOOL(WINAPI *PFNGETFONTRESOURCEINFO)(LPCTSTR, LPDWORD, LPVOID, DWORD);
static PFNGETFONTRESOURCEINFO GetFontResourceInfo = (PFNGETFONTRESOURCEINFO)GetProcAddress(GetModuleHandle(L"Gdi32"), "GetFontResourceInfoW");
static PFNGETFONTRESOURCEINFO GetFontResourceInfo = GetProcAddressT<PFNGETFONTRESOURCEINFO>(GetModuleHandle(L"Gdi32"), "GetFontResourceInfoW");
if (GetFontResourceInfo != nullptr) {
/* Try to query an array of LOGFONTs that describe the file. */

12
src/os/windows/win32.cpp
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@@ -40,10 +40,6 @@
#include "../../safeguards.h"
#ifdef __MINGW32__
#pragma GCC diagnostic ignored "-Wcast-function-type"
#endif /* __MINGW32__ */
static bool _has_console;
static bool _cursor_disable = true;
static bool _cursor_visible = true;
@@ -71,13 +67,13 @@ bool LoadLibraryList(Function proc[], const char *dll)
if (lib == nullptr) return false;
for (;;) {
FARPROC p;
Function p;
while (*dll++ != '\0') { /* Nothing */ }
if (*dll == '\0') break;
p = GetProcAddress(lib, dll);
p = GetProcAddressT<Function>(lib, dll);
if (p == nullptr) return false;
*proc++ = (Function)p;
*proc++ = p;
}
dll++;
}
@@ -693,7 +689,7 @@ int OTTDStringCompare(const char *s1, const char *s2)
#endif
if (first_time) {
_CompareStringEx = (PFNCOMPARESTRINGEX)GetProcAddress(GetModuleHandle(L"Kernel32"), "CompareStringEx");
_CompareStringEx = GetProcAddressT<PFNCOMPARESTRINGEX>(GetModuleHandle(L"Kernel32"), "CompareStringEx");
first_time = false;
}

16
src/os/windows/win32.h
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@@ -26,4 +26,20 @@ wchar_t *convert_to_fs(const char *name, wchar_t *utf16_buf, size_t buflen);
void Win32SetCurrentLocaleName(const char *iso_code);
int OTTDStringCompare(const char *s1, const char *s2);
#ifdef __MINGW32__
/* GCC doesn't understand the expected usage of GetProcAddress(). */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-function-type"
#endif /* __MINGW32__ */
template <typename T>
T GetProcAddressT(HMODULE hModule, LPCSTR lpProcName)
{
return reinterpret_cast<T>(GetProcAddress(hModule, lpProcName));
}
#ifdef __MINGW32__
#pragma GCC diagnostic pop
#endif
#endif /* WIN32_H */

2
src/sound/xaudio2_s.cpp
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@@ -158,7 +158,7 @@ const char *SoundDriver_XAudio2::Start(const StringList &parm)
return "Failed to load XAudio2 DLL";
}
API_XAudio2Create xAudio2Create = (API_XAudio2Create) GetProcAddress(_xaudio_dll_handle, "XAudio2Create");
API_XAudio2Create xAudio2Create = GetProcAddressT<API_XAudio2Create>(_xaudio_dll_handle, "XAudio2Create");
if (xAudio2Create == nullptr)
{

6
src/video/win32_v.cpp
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@@ -962,9 +962,9 @@ float VideoDriver_Win32Base::GetDPIScale()
if (!init_done) {
init_done = true;
_GetDpiForWindow = (PFNGETDPIFORWINDOW)GetProcAddress(GetModuleHandle(L"User32"), "GetDpiForWindow");
_GetDpiForSystem = (PFNGETDPIFORSYSTEM)GetProcAddress(GetModuleHandle(L"User32"), "GetDpiForSystem");
_GetDpiForMonitor = (PFNGETDPIFORMONITOR)GetProcAddress(LoadLibrary(L"Shcore.dll"), "GetDpiForMonitor");
_GetDpiForWindow = GetProcAddressT<PFNGETDPIFORWINDOW>(GetModuleHandle(L"User32"), "GetDpiForWindow");
_GetDpiForSystem = GetProcAddressT<PFNGETDPIFORSYSTEM>(GetModuleHandle(L"User32"), "GetDpiForSystem");
_GetDpiForMonitor = GetProcAddressT<PFNGETDPIFORMONITOR>(LoadLibrary(L"Shcore.dll"), "GetDpiForMonitor");
}
UINT cur_dpi = 0;