1397       uInt read_length, keyword_length;  in png_handle_iCCP()  local
1410       keyword_length = 0;  in png_handle_iCCP()
1411       while (keyword_length < 80 && keyword_length < read_length &&  in png_handle_iCCP()
1412          keyword[keyword_length] != 0)  in png_handle_iCCP()
1413          ++keyword_length;  in png_handle_iCCP()
1416       if (keyword_length >= 1 && keyword_length <= 79)  in png_handle_iCCP()
1421          if (keyword_length+1 < read_length &&  in png_handle_iCCP()
1422             keyword[keyword_length+1] == PNG_COMPRESSION_TYPE_BASE)  in png_handle_iCCP()
1424             read_length -= keyword_length+2;  in png_handle_iCCP()
1432                png_ptr->zstream.next_in = (Bytef*)keyword + (keyword_length+2);  in png_handle_iCCP()
1530                                           keyword_length+1));  in png_handle_iCCP()
1534                                              keyword_length+1);  in png_handle_iCCP()
2506    png_uint_32     keyword_length;  in png_handle_zTXt()  local
2549    for (keyword_length = 0;  in png_handle_zTXt()
2550       keyword_length < length && buffer[keyword_length] != 0;  in png_handle_zTXt()
2551       ++keyword_length)  in png_handle_zTXt()
2554    if (keyword_length > 79 || keyword_length < 1)  in png_handle_zTXt()
2561    else if (keyword_length + 3 > length)  in png_handle_zTXt()
2564    else if (buffer[keyword_length+1] != PNG_COMPRESSION_TYPE_BASE)  in png_handle_zTXt()
2575       if (png_decompress_chunk(png_ptr, length, keyword_length+2,  in png_handle_zTXt()
2585          buffer[uncompressed_length+(keyword_length+2)] = 0;  in png_handle_zTXt()
2589          text.text = (png_charp)(buffer + keyword_length+2);  in png_handle_zTXt()