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Improve impl of get_environmental_variable()

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This commit is contained in:
Alexander Karatarakis 2017-02-14 18:28:41 -08:00
parent da26d09716
commit ff3b3ecb55
1 changed files with 2 additions and 5 deletions
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7
toolsrc/src/vcpkg_System.cpp
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@ -75,7 +75,6 @@ namespace vcpkg::System
optional<std::wstring> get_environmental_variable(const wchar_t* varname) noexcept
{
std::wstring ret;
wchar_t* buffer;
_wdupenv_s(&buffer, nullptr, varname);
@ -83,10 +82,8 @@ namespace vcpkg::System
{
return nullptr;
}
ret = buffer;
free(buffer);
return std::make_unique<std::wstring>(ret);
std::unique_ptr<wchar_t, void(__cdecl *)(void*)> bufptr(buffer, free);
return std::make_unique<std::wstring>(buffer);
}
void set_environmental_variable(const wchar_t* varname, const wchar_t* varvalue) noexcept