769    png_uint_32        chunklen; /* Length of chunk+overhead (chunkpos >= 8) */  member
875    ps->chunklen = 16;  in store_init()
902    ps->chunklen = 16;  in store_freenew()
972    if (ps->chunkpos != 0U || ps->chunktype != 0U || ps->chunklen != 0U ||  in store_storefile()
992    ps->chunklen = 16;  in store_storefile()
1288    png_uint_32 chunklen = ps->chunklen;  in store_write()  local
1313          chunklen = (chunklen << 8) + b;  in store_write()
1327             chunklen &= 0xffffffffU;  in store_write()
1328             if (chunklen > 0x7fffffffU)  in store_write()
1334                if (chunklen > ~ps->IDAT_size)  in store_write()
1337                ps->IDAT_size += chunklen;  in store_write()
1343             chunklen += 12; /* for header and CRC */  in store_write()
1354          if (cb  > chunklen - chunkpos/* bytes left in chunk*/)  in store_write()
1355             cb = (png_size_t)/*SAFE*/(chunklen - chunkpos);  in store_write()
1363          if (chunkpos >= chunklen) /* must be equal */  in store_write()
1364             chunkpos = chunktype = chunklen = 0;  in store_write()
1371    ps->chunklen = chunklen;  in store_write()
1470    png_uint_32 chunklen = ps->chunklen;  in store_read_chunk()  local
1477       if (chunkpos >= chunklen) /* end of last chunk */  in store_read_chunk()
1483          chunklen = png_get_uint_32(buffer) + 12U;  in store_read_chunk()
1523                if (chunkpos != chunklen-4U)  in store_read_chunk()
1589             if (chunkpos < chunklen-4U)  in store_read_chunk()
1599                if (avail > (chunklen-4U) - chunkpos)  in store_read_chunk()
1600                   avail = (uInt)/*SAFE*/((chunklen-4U) - chunkpos);  in store_read_chunk()
1655                b = chunklen - 12U;  in store_read_chunk()
1674             if (avail > chunklen - chunkpos)  in store_read_chunk()
1675                avail = (png_size_t)/*SAFE*/(chunklen - chunkpos);  in store_read_chunk()
1685             if (chunkpos >= chunklen && max-st >= min &&  in store_read_chunk()
1693    ps->chunklen = chunklen;  in store_read_chunk()
2109    ps->chunklen = 16;  in store_read_reset()