// This file is part of the AliceVision project.

// Copyright (c) 2017 AliceVision contributors.

// This Source Code Form is subject to the terms of the Mozilla Public License,

// v. 2.0. If a copy of the MPL was not distributed with this file,

// You can obtain one at https://mozilla.org/MPL/2.0/.

#include "StaticVector.hpp"

#include <cstdio>

namespace aliceVision {

int getArrayLengthFromFile(std::string fileName)

{

FILE* f = fopen(fileName.c_str(), "rb");

if(f == nullptr)

{

// printf("WARNING: file %s does not exists!\n", fileName.c_str());

return 0;

}

int n = 0;

size_t retval = fread(&n, sizeof(int), 1, f);

if( retval != sizeof(int) )

{

ALICEVISION_LOG_WARNING("[IO] getArrayLengthFromFile: can't read array length (1)");

}

if(n == -1)

{

retval = fread(&n, sizeof(int), 1, f);

if( retval != sizeof(int) )

{

ALICEVISION_LOG_WARNING("[IO] getArrayLengthFromFile: can't read array length (2)");

}

}

fclose(f);

return n;

}

} // namespace aliceVision