Function decompress

src/lodepng.cpp:6065–6077

#ifdef LODEPNG_COMPILE_ZLIB
#ifdef LODEPNG_COMPILE_DECODER
unsigned decompress(std::vector<unsigned char>& out, const unsigned char* in, size_t insize,
                    const LodePNGDecompressSettings& settings)
{
  unsigned char* buffer = 0;
  size_t buffersize = 0;
  unsigned error = zlib_decompress(&buffer, &buffersize, in, insize, &settings);
  if(buffer)
  {
    out.insert(out.end(), &buffer[0], &buffer[buffersize]);
    lodepng_free(buffer);
  }
  return error;
}

unsigned decompress(std::vector<unsigned char>& out, const std::vector<unsigned char>& in,
                    const LodePNGDecompressSettings& settings)