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Fixed Windows 7 compatibility

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Fixes #2585
This commit is contained in:
SChernykh 2021-09-17 12:05:37 +02:00
parent 9e5f5b35a6
commit b2cc2ef0d7
1 changed files with 21 additions and 1 deletions
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22
src/base/io/Env.cpp
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@ -142,10 +142,30 @@ xmrig::String xmrig::Env::get(const String &name, const std::map<String, String>
xmrig::String xmrig::Env::hostname()
{
# ifdef _WIN32
const HMODULE hLib = LoadLibraryA("Ws2_32.dll");
if (hLib) {
typedef int (WSAAPI* GetHostNameW_proc)(PWSTR, int);
GetHostNameW_proc GetHostNameW_ptr = reinterpret_cast<GetHostNameW_proc>(GetProcAddress(hLib, "GetHostNameW"));
if (GetHostNameW_ptr) {
WCHAR buf[UV_MAXHOSTNAMESIZE];
if (GetHostNameW_ptr(buf, UV_MAXHOSTNAMESIZE) != 0) {
return {};
}
char utf8_str[UV_MAXHOSTNAMESIZE * 4 + 1];
const int len = WideCharToMultiByte(CP_UTF8, 0, buf, -1, utf8_str, sizeof(utf8_str), nullptr, nullptr);
if (len <= 0) {
return {};
}
return utf8_str;
}
}
# endif
char buf[UV_MAXHOSTNAMESIZE]{};
size_t size = sizeof(buf);
# if UV_VERSION_HEX >= 0x010c00
# if (UV_VERSION_HEX >= 0x010c00) && !defined(_WIN32)
if (uv_os_gethostname(buf, &size) == 0) {
return static_cast<const char *>(buf);
}