Paquet : libb-cow-perl (0.007-1 et autres) [debports]

Liens pour libb-cow-perl

Introuvable

B::COW provides some naive additional B helpers to check the COW status of one SvPV.

A COWed SvPV is sharing its string (the PV) with other SvPVs. It's a (kind of) Read Only C string, that would be Copied On Write (COW).

More than one SV can share the same PV, but when one PV need to alter it, it would perform a copy of it, decrease the COWREFCNT counter.

One SV can then drop the COW flag when it's the only one holding a pointer to the PV.

The COWREFCNT is stored at the end of the PV, after the "\0".

That value is limited to 255, after that a new PV would be created,

dep: libc6 (>= 2.3)

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dep: perl (>= 5.38.2-3.2)

langage de rapports et d'extractions pratiques de Larry Wall
dep: perlapi-5.38.2

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