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Lines Matching defs:read_length

1397       uInt read_length, keyword_length;
1403       read_length = 81; /* maximum */
1404       if (read_length > length)
1405          read_length = (uInt)length;
1407       png_crc_read(png_ptr, (png_bytep)keyword, read_length);
1408       length -= read_length;
1411       while (keyword_length < 80 && keyword_length < read_length &&
1421          if (keyword_length+1 < read_length &&
1424             read_length -= keyword_length+2;
1433                png_ptr->zstream.avail_in = read_length;