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modules/CommonMark/src/blocks.c  view on Meta::CPAN

static void S_parser_feed(cmark_parser *parser, const unsigned char *buffer,
                          size_t len, bool eof) {
  const unsigned char *end = buffer + len;
  static const uint8_t repl[] = {239, 191, 189};

  if (len > UINT_MAX - parser->total_size)
    parser->total_size = UINT_MAX;
  else
    parser->total_size += (int)len;

  // Skip UTF-8 BOM if present; see #334
  if (parser->line_number == 0 && parser->column == 0 && len >= 3 &&
      *buffer == 0xEF && *(buffer + 1) == 0xBB &&
      *(buffer + 2) == 0xBF) {
    buffer += 3;
  } else if (parser->last_buffer_ended_with_cr && *buffer == '\n') {
    // skip NL if last buffer ended with CR ; see #117
    buffer++;
  }

  parser->last_buffer_ended_with_cr = false;