You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
2.9 KiB
123 lines
2.9 KiB
/*
|
|
* Copyright (C) 2020 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "sysdeps/env.h"
|
|
|
|
#ifdef _WIN32
|
|
#include <lmcons.h>
|
|
#include <windows.h>
|
|
#endif // _WIN32
|
|
|
|
#include <android-base/utf8.h>
|
|
|
|
namespace adb {
|
|
namespace sysdeps {
|
|
|
|
std::optional<std::string> GetEnvironmentVariable(std::string_view var) {
|
|
if (var.empty()) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
constexpr size_t kMaxEnvVarSize = 32767;
|
|
wchar_t wbuf[kMaxEnvVarSize];
|
|
std::wstring wvar;
|
|
if (!android::base::UTF8ToWide(var.data(), &wvar)) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
auto sz = ::GetEnvironmentVariableW(wvar.data(), wbuf, sizeof(wbuf));
|
|
if (sz == 0) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
std::string val;
|
|
if (!android::base::WideToUTF8(wbuf, &val)) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
return std::make_optional(val);
|
|
#else // !_WIN32
|
|
const char* val = getenv(var.data());
|
|
if (val == nullptr) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
return std::make_optional(std::string(val));
|
|
#endif
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
constexpr char kHostNameEnvVar[] = "COMPUTERNAME";
|
|
constexpr char kUserNameEnvVar[] = "USERNAME";
|
|
#else
|
|
constexpr char kHostNameEnvVar[] = "HOSTNAME";
|
|
constexpr char kUserNameEnvVar[] = "LOGNAME";
|
|
#endif
|
|
|
|
std::string GetHostNameUTF8() {
|
|
const auto hostName = GetEnvironmentVariable(kHostNameEnvVar);
|
|
if (hostName && !hostName->empty()) {
|
|
return *hostName;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
wchar_t wbuf[MAX_COMPUTERNAME_LENGTH + 1];
|
|
DWORD size = sizeof(wbuf);
|
|
if (!GetComputerNameW(wbuf, &size) || size == 0) {
|
|
return "";
|
|
}
|
|
|
|
std::string name;
|
|
if (!android::base::WideToUTF8(wbuf, &name)) {
|
|
return "";
|
|
}
|
|
|
|
return name;
|
|
#else // !_WIN32
|
|
char buf[256];
|
|
return (gethostname(buf, sizeof(buf)) == -1) ? "" : buf;
|
|
#endif // _WIN32
|
|
}
|
|
|
|
std::string GetLoginNameUTF8() {
|
|
const auto userName = GetEnvironmentVariable(kUserNameEnvVar);
|
|
if (userName && !userName->empty()) {
|
|
return *userName;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
wchar_t wbuf[UNLEN + 1];
|
|
DWORD size = sizeof(wbuf);
|
|
if (!GetUserNameW(wbuf, &size) || size == 0) {
|
|
return "";
|
|
}
|
|
|
|
std::string login;
|
|
if (!android::base::WideToUTF8(wbuf, &login)) {
|
|
return "";
|
|
}
|
|
|
|
return login;
|
|
#else // !_WIN32
|
|
const char* login = getlogin();
|
|
return login ? login : "";
|
|
#endif // _WIN32
|
|
}
|
|
|
|
} // namespace sysdeps
|
|
} // namespace adb
|