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/**
* 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 <iomanip>
#include <sstream>
#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
#ifdef _MSC_VER
#include <Windows.h>
#else
#include <sys/stat.h>
#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
bool fileExists(const char* path) {
#ifdef _MSC_VER
return GetFileAttributesA(path) != INVALID_FILE_ATTRIBUTES;
#else
struct stat st;
return stat(path, &st) == 0;
#endif
}
} // namespace orc
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