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cpu_stats: fmt::win_error_to_string

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This commit is contained in:
Megamouse 2022-03-16 20:44:47 +01:00
parent 7a1a4541c0
commit e58906cb4d
3 changed files with 6 additions and 16 deletions
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6
Utilities/StrFmt.cpp
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@ -34,12 +34,12 @@ std::wstring utf8_to_wchar(std::string_view src)
return wchar_string;
}
std::string fmt::win_error_to_string(unsigned long error)
std::string fmt::win_error_to_string(unsigned long error, void* module_handle)
{
std::string message;
LPWSTR message_buffer = nullptr;
if (FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, error, 0, (LPWSTR)&message_buffer, 0, nullptr))
if (FormatMessageW((module_handle ? FORMAT_MESSAGE_FROM_HMODULE : FORMAT_MESSAGE_FROM_SYSTEM) | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
module_handle, error, 0, (LPWSTR)&message_buffer, 0, nullptr))
{
message = fmt::format("%s (0x%x)", fmt::trim(wchar_to_utf8(message_buffer), " \t\n\r\f\v"), error);
}

4
Utilities/StrFmt.h
View file

@ -10,8 +10,8 @@ namespace fmt
static std::string format(const CharT(&)[N], const Args&...);
#ifdef _WIN32
// Get a string for a windows error (DWORD)
std::string win_error_to_string(unsigned long error);
// Get a string for a windows error (DWORD). Optionally a module HANDLE can be passed.
std::string win_error_to_string(unsigned long error, void* module_handle = nullptr);
#endif
}