Re: C routine that compares debian package versions
Miguel Griffa <mgriffa@technisys.com.ar> wrote:
>At 04:14 p.m. 11/07/01 +0200, Alex Suzuki wrote:
>>I'm currently writing a small program in C that is supposed to
>>show me which packages I have from woody and which ones from
>>sid (my system is actually a mix of both of them).
>>Now, a problem I am likely to encounter soon are the version
>>numbers. Do the follow some kind of scheme?
>>
>>For instance, package ssh
>>ssh 1:1.2.3-9.3
>>
>>If I had the version string saved somewhere, and an other
>>one like 1:1.2.3-9.4, how can I compare them, is there a
>>function that can do this?
>
>mmm... wouldn't just strcmp work?
No: see http://www.debian.org/doc/debian-policy/ch-versions.html.
--
Colin Watson [cjwatson@flatline.org.uk]
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