How to avoid running out of memory in high memory usage application? C / C++

Question

I have written a converter that takes openstreetmap xml files and converts them to a binary runtime rendering format that is typically about 10% of the original size. Input file

Answer 1

You need to stream your output as well as your input. If your output format is not stream-oriented, consider doing second pass. For example, if the output file starts with check sum/size of the data, leave space on the first pass and seek/write to that space later.