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lifegpc
2022-02-24 23:06:05 +08:00
parent 4bdef58fe5
commit 159baf0442
2 changed files with 26 additions and 0 deletions
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14
err.cpp
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@@ -69,3 +69,17 @@ char* err_get_errno_message(int errnum) {
if (!cpp2c::string2char(msg, tmp)) return nullptr;
return tmp;
}
#if _WIN32
bool err::get_winerror(std::string& out, int32_t errnum) {
LPWSTR errbuf;
DWORD len;
if (!(len = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr, errnum, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&errbuf, 0, nullptr))) {
if (errbuf) LocalFree(errbuf);
return false;
}
bool re = wchar_util::wstr_to_str(out, std::wstring(errbuf, len), CP_UTF8);
LocalFree(errbuf);
return re;
}
#endif