Function load_file

dependency/densecrf/examples/lodepng.cpp:6011–6017

    
#ifdef LODEPNG_COMPILE_DISK
    unsigned load_file(std::vector<unsigned char>& buffer, const std::string& filename)
    {
        long size = lodepng_filesize(filename.c_str());
        if(size < 0) return 78;
        buffer.resize((size_t)size);
        return size == 0 ? 0 : lodepng_buffer_file(&buffer[0], (size_t)size, filename.c_str());
    }
    
    /*write given buffer to the file, overwriting the file, it doesn't append to it.*/
    unsigned save_file(const std::vector<unsigned char>& buffer, const std::string& filename)