Quelle safefetch_windows.hpp Sprache: C

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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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#ifndef OS_WINDOWS_SAFEFETCH_WINDOWS_HPP
#define OS_WINDOWS_SAFEFETCH_WINDOWS_HPP

#include "utilities/globalDefinitions.hpp"

// On windows, we use structured exception handling to implement SafeFetch

template <class T>
inline T SafeFetchXX(const T* adr, T errValue) {
  T v = 0;
  __try {
    v = *adr;
  }
  __except(EXCEPTION_EXECUTE_HANDLER) {
    v = errValue;
  }
  return v;
}

inline int SafeFetch32_impl(const int* adr, int errValue) {
  return SafeFetchXX<int>(adr, errValue);
}

inline intptr_t SafeFetchN_impl(const intptr_t* adr, intptr_t errValue) {
  return SafeFetchXX<intptr_t>(adr, errValue);
}

#endif

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