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You never want to blindly switch between widechar and ANSI functions
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parent
0380ba642b
commit
68e43fe65d
2 changed files with 7 additions and 12 deletions
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@ -1601,19 +1601,19 @@ unsigned int I_MakeRNGSeed()
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FString I_GetLongPathName(FString shortpath)
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{
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static TOptWin32Proc<DWORD (WINAPI*)(LPCTSTR, LPTSTR, DWORD)>
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GetLongPathName("kernel32.dll", "GetLongPathNameA", NULL);
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GetLongPathNameA("kernel32.dll", "GetLongPathNameA");
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// Doesn't exist on NT4
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if (GetLongPathName == NULL)
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return shortpath;
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DWORD buffsize = GetLongPathName.Call(shortpath.GetChars(), NULL, 0);
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DWORD buffsize = GetLongPathNameA.Call(shortpath.GetChars(), NULL, 0);
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if (buffsize == 0)
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{ // nothing to change (it doesn't exist, maybe?)
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return shortpath;
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}
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TCHAR *buff = new TCHAR[buffsize];
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DWORD buffsize2 = GetLongPathName.Call(shortpath.GetChars(), buff, buffsize);
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DWORD buffsize2 = GetLongPathNameA.Call(shortpath.GetChars(), buff, buffsize);
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if (buffsize2 >= buffsize)
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{ // Failure! Just return the short path
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delete[] buff;
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@ -56,25 +56,20 @@ extern os_t OSPlatform;
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template<typename Proto>
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class TOptWin32Proc
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{
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static Proto GetOptionalWin32Proc(const char* module, const char* function, const char* alt)
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static Proto GetOptionalWin32Proc(const char* module, const char* function)
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{
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HMODULE hmodule = GetModuleHandle(module);
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if (hmodule == NULL)
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return NULL;
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Proto ret = (Proto)GetProcAddress(hmodule, function);
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if(ret != NULL || alt == NULL)
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return ret;
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// Lookup alternate function name (ex. ProcW -> ProcA)
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return (Proto)GetProcAddress(hmodule, alt);
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return (Proto)GetProcAddress(hmodule, function);
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}
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public:
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const Proto Call;
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TOptWin32Proc(const char* module, const char* function, const char* alt=NULL)
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: Call(GetOptionalWin32Proc(module, function, alt)) {}
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TOptWin32Proc(const char* module, const char* function)
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: Call(GetOptionalWin32Proc(module, function)) {}
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// Wrapper object can be tested against NULL, but not directly called.
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operator const void*() const { return Call; }
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