85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
// 25 february 2015
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#include "uipriv_windows.hpp"
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// LONGTERM disable logging and stopping on no-debug builds
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static void printDebug(const WCHAR *msg)
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{
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OutputDebugStringW(msg);
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}
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HRESULT _logLastError(debugargs, const WCHAR *s)
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{
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DWORD le;
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WCHAR *msg;
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WCHAR *formatted;
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BOOL useFormatted;
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le = GetLastError();
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useFormatted = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, le, 0, (LPWSTR) (&formatted), 0, NULL) != 0;
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if (!useFormatted)
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formatted = (WCHAR *) L"\n"; // TODO
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msg = strf(L"[libui] %s:%s:%s() %s: GetLastError() == %I32u %s",
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file, line, func,
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s, le, formatted);
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if (useFormatted)
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LocalFree(formatted); // ignore error
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printDebug(msg);
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uiprivFree(msg);
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DebugBreak();
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SetLastError(le);
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// a function does not have to set a last error
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// if the last error we get is actually 0, then HRESULT_FROM_WIN32(0) will return S_OK (0 cast to an HRESULT, since 0 <= 0), which we don't want
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// prevent this by returning E_FAIL
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if (le == 0)
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return E_FAIL;
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return HRESULT_FROM_WIN32(le);
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}
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HRESULT _logHRESULT(debugargs, const WCHAR *s, HRESULT hr)
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{
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WCHAR *msg;
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WCHAR *formatted;
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BOOL useFormatted;
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useFormatted = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, hr, 0, (LPWSTR) (&formatted), 0, NULL) != 0;
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if (!useFormatted)
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formatted = (WCHAR *) L"\n"; // TODO
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msg = strf(L"[libui] %s:%s:%s() %s: HRESULT == 0x%08I32X %s",
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file, line, func,
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s, hr, formatted);
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if (useFormatted)
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LocalFree(formatted); // ignore error
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printDebug(msg);
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uiprivFree(msg);
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DebugBreak();
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return hr;
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}
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void uiprivRealBug(const char *file, const char *line, const char *func, const char *prefix, const char *format, va_list ap)
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{
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va_list ap2;
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char *msg;
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size_t n;
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WCHAR *final;
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va_copy(ap2, ap);
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n = _vscprintf(format, ap2);
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va_end(ap2);
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n++; // terminating '\0'
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msg = (char *) uiprivAlloc(n * sizeof (char), "char[]");
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// includes terminating '\0' according to example in https://msdn.microsoft.com/en-us/library/xa1a1a6z.aspx
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vsprintf_s(msg, n, format, ap);
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final = strf(L"[libui] %hs:%hs:%hs() %hs%hs\n", file, line, func, prefix, msg);
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uiprivFree(msg);
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printDebug(final);
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uiprivFree(final);
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DebugBreak();
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}
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