Thanks, :) But now I think that's ok to use the int type to store the four byte. Because I could get the value by using forced conversion.
But Do SQLite3 support the unsigned type? And You know that int64 is too wasting here. Pavel Ivanov-2 wrote: > > int64 type is okay to store data of type unsigned int. And int64 is > exactly the type used for all integers in SQLite. > > Pavel > > On Fri, Aug 7, 2009 at 5:53 AM, liubin liu<7101...@sina.com> wrote: >> >> I want to use a integer to save the ip address of ipv4. Because they all >> are >> 4 bytes. >> >> but it is better when the data type is unsigned int. >> >> How to create a data of unsigned int? >> 1334 >> 1335 // tcp->gate_addr[0]是地址的高8位 >> 1336 for ( i=0, m=1; i<4; i++, m*=0x100 ) >> 1337 gateaddr = gateaddr + tcp->gate_addr[3-i] * m; >> 1338 >> >> -- >> View this message in context: >> http://www.nabble.com/How-to-create-a-data-of-unsigned-int--tp24861945p24861945.html >> Sent from the SQLite mailing list archive at Nabble.com. >> >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@sqlite.org >> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >> > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > -- View this message in context: http://www.nabble.com/How-to-create-a-data-of-unsigned-int--tp24861945p24864619.html Sent from the SQLite mailing list archive at Nabble.com. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
