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Path: ...!2.eu.feeder.erje.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Richard Harnden <richard.nospam@gmail.invalid> Newsgroups: comp.lang.c Subject: Re: Good hash for pointers Date: Sun, 26 May 2024 19:58:31 +0100 Organization: A noiseless patient Spider Lines: 12 Message-ID: <v300on$3h7if$1@dont-email.me> References: <v2n88p$1nlcc$1@dont-email.me> <v2qm8m$2el55$1@raubtier-asyl.eternal-september.org> <v2qnue$2evlu$1@dont-email.me> <v2r9br$2hva2$1@dont-email.me> <86fru6gsqr.fsf@linuxsc.com> <v2sudq$2trh1$1@raubtier-asyl.eternal-september.org> <8634q5hjsp.fsf@linuxsc.com> <v2t8od$2vpp7$1@dont-email.me> <v2tk9s$31qv4$1@dont-email.me> <v2tnfi$32d1i$1@dont-email.me> <v2tpg5$32o5a$1@dont-email.me> Reply-To: nospam.harnden@invalid.com MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sun, 26 May 2024 20:58:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="635dc1a49adbb44310811cef02a919f7"; logging-data="3710543"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+Sej6uK+S/UEFac37t/Cg+DRFdovGoE1s=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:Ys5YrF1Lz4Ef4xvZzRyZHRswPKE= Content-Language: en-GB In-Reply-To: <v2tpg5$32o5a$1@dont-email.me> Bytes: 1831 On 25/05/2024 23:42, bart wrote: > > It's not clear to me what the hashing is for on the nodes. What exactly > is the input being looked up, and what is being compared? Because > something sounds off: you don't normally look up a pointer to try and > find it in a table; you already have the pointer pointing at the data! This. Are you really hashing the pointer?