| 6 | { |
| 7 | |
| 8 | bool writeByBlocks( std::ostream& out, const char* data, size_t dataSize, ProgressCallback callback /*= {}*/, size_t blockSize /*= ( size_t( 1 ) << 16 )*/ ) |
| 9 | { |
| 10 | if ( !dataSize ) |
| 11 | return true; |
| 12 | |
| 13 | if ( !callback ) |
| 14 | { |
| 15 | out.write( data, dataSize ); |
| 16 | return true; |
| 17 | } |
| 18 | |
| 19 | int blockIndex = 0; |
| 20 | for ( size_t max = dataSize / blockSize; blockIndex < max; ++blockIndex ) |
| 21 | { |
| 22 | out.write( data + blockIndex * blockSize, blockSize ); |
| 23 | if ( !callback( float( blockIndex * blockSize ) / dataSize ) ) |
| 24 | return false; |
| 25 | } |
| 26 | const size_t remnant = dataSize - blockIndex * blockSize; |
| 27 | if ( remnant ) |
| 28 | out.write( data + blockIndex * blockSize, remnant ); |
| 29 | if ( !callback( float( blockIndex * blockSize + remnant ) / dataSize ) ) |
| 30 | return false; |
| 31 | |
| 32 | return true; |
| 33 | } |
| 34 | |
| 35 | bool readByBlocks( std::istream& in, char* data, size_t dataSize, ProgressCallback callback /*= {}*/, size_t blockSize /*= ( size_t( 1 ) << 16 )*/ ) |
| 36 | { |
no test coverage detected