1431       uInt read_length, keyword_length;  in png_handle_iCCP()  local
1444       keyword_length = 0;  in png_handle_iCCP()
1445       while (keyword_length < 80 && keyword_length < read_length &&  in png_handle_iCCP()
1446          keyword[keyword_length] != 0)  in png_handle_iCCP()
1447          ++keyword_length;  in png_handle_iCCP()
1450       if (keyword_length >= 1 && keyword_length <= 79)  in png_handle_iCCP()
1455          if (keyword_length+1 < read_length &&  in png_handle_iCCP()
1456             keyword[keyword_length+1] == PNG_COMPRESSION_TYPE_BASE)  in png_handle_iCCP()
1458             read_length -= keyword_length+2;  in png_handle_iCCP()
1466                png_ptr->zstream.next_in = (Bytef*)keyword + (keyword_length+2);  in png_handle_iCCP()
1564                                           keyword_length+1));  in png_handle_iCCP()
1568                                              keyword_length+1);  in png_handle_iCCP()
2540    png_uint_32     keyword_length;  in png_handle_zTXt()  local
2583    for (keyword_length = 0;  in png_handle_zTXt()
2584       keyword_length < length && buffer[keyword_length] != 0;  in png_handle_zTXt()
2585       ++keyword_length)  in png_handle_zTXt()
2588    if (keyword_length > 79 || keyword_length < 1)  in png_handle_zTXt()
2595    else if (keyword_length + 3 > length)  in png_handle_zTXt()
2598    else if (buffer[keyword_length+1] != PNG_COMPRESSION_TYPE_BASE)  in png_handle_zTXt()
2609       if (png_decompress_chunk(png_ptr, length, keyword_length+2,  in png_handle_zTXt()
2619          buffer[uncompressed_length+(keyword_length+2)] = 0;  in png_handle_zTXt()
2623          text.text = (png_charp)(buffer + keyword_length+2);  in png_handle_zTXt()