From: Paolo Bonzini <bonzini@...>
Date: 2007-11-08T23:55:31+09:00
Subject: Re: Buffer to string

On Nov 8, 3:38 pm, Tom M <thomas.mack...@gmail.com> wrote:
> On Nov 8, 7:24 am, Jari Williamsson
>
> <jari.williams...@mailbox.swipnet.se> wrote:
> > I have a buffer (stored in a String class) with a NULL-terminated
> > C-style string inside, what's the most efficient approach to get that
> > text string up to the NULL?
>
> > Best regards,
>
> > Jari Williamsson
>
> Would buf.unpack("a*") work?

No, that's buf.unpack("Z*") that you want

irb(main):001:0>   s = "hi"
=> "hi"
irb(main):002:0>   s << 0.chr
=> "hi\000"
irb(main):003:0>   s << "there"
=> "hi\000there"
irb(main):007:0> s.unpack("a*")
=> ["hi\000there"]
irb(main):014:0> s.unpack("Z*")
=> ["hi"]