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Re: Malloc without free in linked list code

From Lőrinczy Zsigmond <nospam@for.me>
Newsgroups comp.lang.c
Subject Re: Malloc without free in linked list code
Date 2015-04-13 20:45 +0200
Organization Aioe.org NNTP Server
Message-ID <mgh2st$3k9$1@speranza.aioe.org> (permalink)
References <2517ea7a-e00d-44a4-bb3b-9376fc5e3249@googlegroups.com>

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On 2015.04.13. 20:21, Paul wrote:
> The following code is quoted verbatim from a well-known CS course at an extremely prestigious university.
>
> Why is it ok to use malloc without free?  Does this leak memory?  If not, why not?
> If yes, how can the memory be freed without destroying the data structure?

off: Please use indentation
on: This is only a part of a complete program;
function 'CopyList' creates a copy from a list
Most likely you'll find another function called 'DeleteList',
with 'free' in it.

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Malloc without free in linked list code Paul <pepstein5@gmail.com> - 2015-04-13 11:21 -0700
  Re: Malloc without free in linked list code Lőrinczy Zsigmond <nospam@for.me> - 2015-04-13 20:45 +0200
  Re: Malloc without free in linked list code Richard Heathfield <rjh@cpax.org.uk> - 2015-04-13 19:53 +0100
  Malloc without free in linked list code asetofsymbols@gmail.com - 2015-04-13 12:05 -0700
  Re: Malloc without free in linked list code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-04-13 21:58 +0100
    Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-14 09:26 +0200
      Re: Malloc without free in linked list code Paul <pepstein5@gmail.com> - 2015-04-14 01:45 -0700
        Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-14 11:39 +0200
          Re: Malloc without free in linked list code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-04-14 13:43 +0100
            Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-14 15:10 +0200
              Re: Malloc without free in linked list code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-04-14 16:10 +0100
                Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-14 17:37 +0200
                Re: Malloc without free in linked list code Keith Thompson <kst-u@mib.org> - 2015-04-14 11:44 -0700
                Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-15 00:00 +0200
                Re: Malloc without free in linked list code Richard Heathfield <rjh@cpax.org.uk> - 2015-04-14 20:12 +0100
                Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-15 00:04 +0200
                Re: Malloc without free in linked list code Richard Heathfield <rjh@cpax.org.uk> - 2015-04-15 00:20 +0100
              Re: Malloc without free in linked list code Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-16 15:46 -0700
                Re: Malloc without free in linked list code David Brown <david.brown@hesbynett.no> - 2015-04-17 10:38 +0200
                Re: Malloc without free in linked list code Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-17 08:30 -0700
        Re: Malloc without free in linked list code James Kuyper <jameskuyper@verizon.net> - 2015-04-14 08:04 -0400
  Re: Malloc without free in linked list code Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-14 05:38 -0700
  Re: Malloc without free in linked list code BGB <cr88192@hotmail.com> - 2015-04-14 10:31 -0500
  Malloc without free in linked list code Chad <cdalten@gmail.com> - 2015-04-14 19:51 -0700
    Re: Malloc without free in linked list code James Kuyper <jameskuyper@verizon.net> - 2015-04-14 23:10 -0400

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