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Merge pull request #16509 from omasaht:imwrite-throwerr-permissiondenied

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This commit is contained in:
Alexander Alekhin 2020-02-06 19:32:09 +00:00
commit 745153098a
1 changed files with 19 additions and 0 deletions
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19
modules/imgcodecs/src/loadsave.cpp
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@ -51,6 +51,8 @@
#undef max
#include <iostream>
#include <fstream>
#include <cerrno>
#include <opencv2/core/utils/logger.hpp>
#include <opencv2/core/utils/configuration.private.hpp>
@ -718,6 +720,23 @@ static bool imwrite_( const String& filename, const std::vector<Mat>& img_vec,
code = encoder->write( write_vec[0], params );
else
code = encoder->writemulti( write_vec, params ); //to be implemented
if (!code)
{
FILE* f = fopen( filename.c_str(), "wb" );
if ( !f )
{
if (errno == EACCES)
{
CV_LOG_WARNING(NULL, "imwrite_('" << filename << "'): can't open file for writing: permission denied");
}
}
else
{
fclose(f);
remove(filename.c_str());
}
}
}
catch (const cv::Exception& e)
{