| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 "Adaptor.hh" |
| #include <sstream> |
| #include <iomanip> |
| |
| #ifndef HAS_STOLL |
| namespace std { |
| int64_t std::stoll(std::string str) { |
| int64_t val = 0; |
| stringstream ss; |
| ss << str; |
| ss >> val; |
| return val; |
| } |
| } |
| #endif |
| |
| #ifndef HAS_STRPTIME |
| char* strptime(const char* s, const char* f, struct tm* tm) { |
| std::istringstream input(s); |
| input.imbue(std::locale(setlocale(LC_ALL, nullptr))); |
| input >> std::get_time(tm, f); |
| if (input.fail()) return nullptr; |
| return (char*)(s + input.tellg()); |
| } |
| #endif |
| |
| #ifndef HAS_PREAD |
| #ifdef _WIN32 |
| #include <Windows.h> |
| #include <io.h> |
| ssize_t pread(int fd, void* buf, size_t size, off_t offset) { |
| auto handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd)); |
| |
| OVERLAPPED ol; |
| memset(&ol, 0, sizeof(OVERLAPPED)); |
| ol.Offset = offset; |
| |
| DWORD rt; |
| if (!ReadFile(handle, buf, static_cast<DWORD>(size), &rt, &ol)) { |
| errno = GetLastError(); |
| return -1; |
| } |
| return static_cast<ssize_t>(rt); |
| } |
| #else |
| #error("pread() undefined: unknown environment") |
| #endif |
| #endif |
| |
| namespace orc { |
| #ifdef HAS_DOUBLE_TO_STRING |
| std::string to_string(double val) { |
| return std::to_string(val); |
| } |
| #else |
| std::string to_string(double val) { |
| return std::to_string(static_cast<long double>(val)); |
| } |
| #endif |
| |
| #ifdef HAS_INT64_TO_STRING |
| std::string to_string(int64_t val) { |
| return std::to_string(val); |
| } |
| #else |
| std::string to_string(int64_t val) { |
| return std::to_string(static_cast<long long int>(val)); |
| } |
| #endif |
| } |