Package: libb-cow-perl (0.004-1 and others)

[ Source: libb-cow-perl  ]

additional B helpers to check COW status

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,

Tags: Software Development: Perl Development, Libraries, Implemented in: implemented-in::c, implemented-in::perl, Role: Development Library

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Architecture	Version	Package Size	Installed Size	Files
amd64	0.004-1+b1	8.8 kB	44.0 kB	[list of files]
arm64	0.004-1+b1	8.8 kB	40.0 kB	[list of files]
armel	0.004-1+b1	8.6 kB	36.0 kB	[list of files]
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i386	0.004-1+b1	9.1 kB	44.0 kB	[list of files]
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