int mz_inflate(mz_streamp pStream, int flush) {
  inflate_state *pState;
  mz_uint n, first_call, decomp_flags = TINFL_FLAG_COMPUTE_ADLER32;
  size_t in_bytes, out_bytes, orig_avail_in;
  tinfl_status status;

  if ((!pStream) || (!pStream->state)) return MZ_STREAM_ERROR;
  if (flush == MZ_PARTIAL_FLUSH) flush = MZ_SYNC_FLUSH;
  if ((flush) && (flush != MZ_SYNC_FLUSH) && (flush != MZ_FINISH))
    return MZ_STREAM_ERROR;

  pState = (inflate_state *)pStream->state;
  if (pState->m_window_bits > 0) decomp_flags |= TINFL_FLAG_PARSE_ZLIB_HEADER;
  orig_avail_in = pStream->avail_in;

  first_call = pState->m_first_call;
  pState->m_first_call = 0;
  if (pState->m_last_status < 0) return MZ_DATA_ERROR;

  if (pState->m_has_flushed && (flush != MZ_FINISH)) return MZ_STREAM_ERROR;
  pState->m_has_flushed |= (flush == MZ_FINISH);

  if ((flush == MZ_FINISH) && (first_call)) {
    // MZ_FINISH on the first call implies that the input and output buffers are
    // large enough to hold the entire compressed/decompressed file.
    decomp_flags |= TINFL_FLAG_USING_NON_WRAPPING_OUTPUT_BUF;
    in_bytes = pStream->avail_in;
    out_bytes = pStream->avail_out;
    status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes,
                              pStream->next_out, pStream->next_out, &out_bytes,
                              decomp_flags);
    pState->m_last_status = status;
    pStream->next_in += (mz_uint)in_bytes;
    pStream->avail_in -= (mz_uint)in_bytes;
    pStream->total_in += (mz_uint)in_bytes;
    pStream->adler = tinfl_get_adler32(&pState->m_decomp);
    pStream->next_out += (mz_uint)out_bytes;
    pStream->avail_out -= (mz_uint)out_bytes;
    pStream->total_out += (mz_uint)out_bytes;

    if (status < 0)
      return MZ_DATA_ERROR;
    else if (status != TINFL_STATUS_DONE) {
      pState->m_last_status = TINFL_STATUS_FAILED;
      return MZ_BUF_ERROR;
    }
    return MZ_STREAM_END;
  }
  // flush != MZ_FINISH then we must assume there's more input.
  if (flush != MZ_FINISH) decomp_flags |= TINFL_FLAG_HAS_MORE_INPUT;

  if (pState->m_dict_avail) {
    n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
    memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
    pStream->next_out += n;
    pStream->avail_out -= n;
    pStream->total_out += n;
    pState->m_dict_avail -= n;
    pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
    return ((pState->m_last_status == TINFL_STATUS_DONE) &&
            (!pState->m_dict_avail))
               ? MZ_STREAM_END
               : MZ_OK;
  }

  for (;;) {
    in_bytes = pStream->avail_in;
    out_bytes = TINFL_LZ_DICT_SIZE - pState->m_dict_ofs;

    status = tinfl_decompress(
        &pState->m_decomp, pStream->next_in, &in_bytes, pState->m_dict,
        pState->m_dict + pState->m_dict_ofs, &out_bytes, decomp_flags);
    pState->m_last_status = status;

    pStream->next_in += (mz_uint)in_bytes;
    pStream->avail_in -= (mz_uint)in_bytes;
    pStream->total_in += (mz_uint)in_bytes;
    pStream->adler = tinfl_get_adler32(&pState->m_decomp);

    pState->m_dict_avail = (mz_uint)out_bytes;

    n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
    memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
    pStream->next_out += n;
    pStream->avail_out -= n;
    pStream->total_out += n;
    pState->m_dict_avail -= n;
    pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);

    if (status < 0)
      return MZ_DATA_ERROR;  // Stream is corrupted (there could be some
    // uncompressed data left in the output dictionary -
    // oh well).
    else if ((status == TINFL_STATUS_NEEDS_MORE_INPUT) && (!orig_avail_in))
      return MZ_BUF_ERROR;  // Signal caller that we can't make forward progress
                            // without supplying more input or by setting flush
                            // to MZ_FINISH.
    else if (flush == MZ_FINISH) {
      // The output buffer MUST be large to hold the remaining uncompressed data
      // when flush==MZ_FINISH.
      if (status == TINFL_STATUS_DONE)
        return pState->m_dict_avail ? MZ_BUF_ERROR : MZ_STREAM_END;
      // status here must be TINFL_STATUS_HAS_MORE_OUTPUT, which means there's
      // at least 1 more byte on the way. If there's no more room left in the
      // output buffer then something is wrong.
      else if (!pStream->avail_out)
        return MZ_BUF_ERROR;
    } else if ((status == TINFL_STATUS_DONE) || (!pStream->avail_in) ||
               (!pStream->avail_out) || (pState->m_dict_avail))
      break;
  }

  return ((status == TINFL_STATUS_DONE) && (!pState->m_dict_avail))
             ? MZ_STREAM_END
             : MZ_OK;
}
int mz_inflate(mz_streamp pStream, int flush) {
  inflate_state *pState;
  mz_uint n, first_call, decomp_flags = TINFL_FLAG_COMPUTE_ADLER32;
  size_t in_bytes, out_bytes, orig_avail_in;
  tinfl_status status;

  if ((!pStream) || (!pStream->state)) return MZ_STREAM_ERROR;
  if (flush == MZ_PARTIAL_FLUSH) flush = MZ_SYNC_FLUSH;
  if ((flush) && (flush != MZ_SYNC_FLUSH) && (flush != MZ_FINISH))
    return MZ_STREAM_ERROR;

  pState = (inflate_state *)pStream->state;
  if (pState->m_window_bits > 0) decomp_flags |= TINFL_FLAG_PARSE_ZLIB_HEADER;
  orig_avail_in = pStream->avail_in;

  first_call = pState->m_first_call;
  pState->m_first_call = 0;
  if (pState->m_last_status < 0) return MZ_DATA_ERROR;

  if (pState->m_has_flushed && (flush != MZ_FINISH)) return MZ_STREAM_ERROR;
  pState->m_has_flushed |= (flush == MZ_FINISH);

  if ((flush == MZ_FINISH) && (first_call)) {
     
     
    decomp_flags |= TINFL_FLAG_USING_NON_WRAPPING_OUTPUT_BUF;
    in_bytes = pStream->avail_in;
    out_bytes = pStream->avail_out;
    status = tinfl_decompress(&pState->m_decomp, pStream->next_in, &in_bytes,
                              pStream->next_out, pStream->next_out, &out_bytes,
                              decomp_flags);
    pState->m_last_status = status;
    pStream->next_in += (mz_uint)in_bytes;
    pStream->avail_in -= (mz_uint)in_bytes;
    pStream->total_in += (mz_uint)in_bytes;
    pStream->adler = tinfl_get_adler32(&pState->m_decomp);
    pStream->next_out += (mz_uint)out_bytes;
    pStream->avail_out -= (mz_uint)out_bytes;
    pStream->total_out += (mz_uint)out_bytes;

    if (status < 0)
      return MZ_DATA_ERROR;
    else if (status != TINFL_STATUS_DONE) {
      pState->m_last_status = TINFL_STATUS_FAILED;
      return MZ_BUF_ERROR;
    }
    return MZ_STREAM_END;
  }
   
  if (flush != MZ_FINISH) decomp_flags |= TINFL_FLAG_HAS_MORE_INPUT;

  if (pState->m_dict_avail) {
    n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
    memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
    pStream->next_out += n;
    pStream->avail_out -= n;
    pStream->total_out += n;
    pState->m_dict_avail -= n;
    pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);
    return ((pState->m_last_status == TINFL_STATUS_DONE) &&
            (!pState->m_dict_avail))
               ? MZ_STREAM_END
               : MZ_OK;
  }

  for (;;) {
    in_bytes = pStream->avail_in;
    out_bytes = TINFL_LZ_DICT_SIZE - pState->m_dict_ofs;

    status = tinfl_decompress(
        &pState->m_decomp, pStream->next_in, &in_bytes, pState->m_dict,
        pState->m_dict + pState->m_dict_ofs, &out_bytes, decomp_flags);
    pState->m_last_status = status;

    pStream->next_in += (mz_uint)in_bytes;
    pStream->avail_in -= (mz_uint)in_bytes;
    pStream->total_in += (mz_uint)in_bytes;
    pStream->adler = tinfl_get_adler32(&pState->m_decomp);

    pState->m_dict_avail = (mz_uint)out_bytes;

    n = MZ_MIN(pState->m_dict_avail, pStream->avail_out);
    memcpy(pStream->next_out, pState->m_dict + pState->m_dict_ofs, n);
    pStream->next_out += n;
    pStream->avail_out -= n;
    pStream->total_out += n;
    pState->m_dict_avail -= n;
    pState->m_dict_ofs = (pState->m_dict_ofs + n) & (TINFL_LZ_DICT_SIZE - 1);

    if (status < 0)
      return MZ_DATA_ERROR;   
     
     
    else if ((status == TINFL_STATUS_NEEDS_MORE_INPUT) && (!orig_avail_in))
      return MZ_BUF_ERROR;   
                             
                             
    else if (flush == MZ_FINISH) {
       
       
      if (status == TINFL_STATUS_DONE)
        return pState->m_dict_avail ? MZ_BUF_ERROR : MZ_STREAM_END;
       
       
       
      else if (!pStream->avail_out)
        return MZ_BUF_ERROR;
    } else if ((status == TINFL_STATUS_DONE) || (!pStream->avail_in) ||
               (!pStream->avail_out) || (pState->m_dict_avail))
      break;
  }

  return ((status == TINFL_STATUS_DONE) && (!pState->m_dict_avail))
             ? MZ_STREAM_END
             : MZ_OK;
}