////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////

#ifndef ARANGODB_BASICS_SYSTEM__FUNCTIONS_H
#define ARANGODB_BASICS_SYSTEM__FUNCTIONS_H 1

#ifndef TRI_WITHIN_COMMON
#error use <Basics/Common.h>
#endif

#ifdef TRI_MISSING_MEMRCHR
void* memrchr(void const* block, int c, size_t size);
#endif

#ifdef _WIN32
void* memmem(void const* haystack, size_t haystackLength, void const* needle,
             size_t needleLength);
#endif

#ifdef TRI_HAVE_WIN32_GETTIMEOFDAY
int gettimeofday(struct timeval* tv, void* tz);
#endif

// safe localtime
void TRI_localtime(time_t, struct tm*);

// safe gmtime
void TRI_gmtime(time_t, struct tm*);

// safe timegm
time_t TRI_timegm(struct tm*);

// seconds with microsecond resolution
double TRI_microtime();

// number of processors or 0
size_t TRI_numberProcessors();

namespace arangodb {
namespace utilities {
// return the current time as string in format "YYYY-MM-DDTHH:MM:SSZ"
std::string timeString(char sep = 'T', char fin = 'Z');

std::string hostname();
}
}

#endif