Re: [HACKERS] inet data type regression test fails
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] inet data type regression test fails |
Дата | |
Msg-id | 199905110105.VAA26651@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] inet data type regression test fails (Tatsuo Ishii <t-ishii@sra.co.jp>) |
Список | pgsql-hackers |
> > > > > int addr = htonl(ntohl(ip_v4addr(ip)) | (0xffffffff >> ip_bits(ip))); > > > > > > There needs to be a UL on the end of that constant. Otherwise it depends > > > on whether or not the compiler chooses to make it signed or unsigned. Not > > > only that, but shifting by >=32 is undefined... Intel chipsets will go mod > > > 32 and change 32 to 0. > > > > > > > Anyone want to supply a patch? > > This has been already fixed. Now it looks like: > > unsigned long mask = 0xffffffff; > > if (ip_bits(ip) < 32) > mask >>= ip_bits(ip); > addr = htonl(ntohl(ip_v4addr(ip)) | mask); Oh. Very nice. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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