Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #74719

Re: Memory and error management approaches

Show all headers | View raw

Malcolm McLean wrote:
> On Monday, November 2, 2015 at 5:18:53 PM UTC, Jorgen Grahn wrote:
>> On Mon, 2015-11-02, Malcolm McLean wrote:
>>
>>> you've also got the problem of needing to handle failure on every
>>> call.
>>
>> That's always a problem in C though, no matter what you replace
>> malloc with.
>>
> Often you can establish a fairly tight upper bound on the allocations, based on
> the input (e.g., we might know that we can never allocate more memory in total
> than then size of the xml file, and never have more allocations than the number of
> '<' characters in the file, we also know that apart from a few space characters and controls,
> most of the file will be data that is allocated, and apart from a few '<' characters that are
> escaped or comments etc, all the '<'s will represent nodes we need to allocate, so our
> upper bound is tight). So then you can set up the custom allocator and,
> if successful in reserving memory, you know that you can never fail.

Not for streamed input.

-- 
Ian Collins

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-02 10:17 +0100
  Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-02 22:25 +1300
    Re: Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-02 10:36 +0100
      Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-02 22:41 +1300
        Re: Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-02 11:05 +0100
          Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-02 12:15 +0000
            Re: Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-02 20:31 +0100
          Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 09:48 +1300
            Re: Memory and error management approaches supercat@casperkitty.com - 2015-11-02 13:17 -0800
              Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 10:29 +1300
                Re: Memory and error management approaches supercat@casperkitty.com - 2015-11-02 13:48 -0800
            Re: Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-02 22:31 +0100
              Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 11:02 +1300
                Re: Memory and error management approaches supercat@casperkitty.com - 2015-11-02 15:21 -0800
              Re: Memory and error management approaches <william@wilbur.25thandClement.com> - 2015-11-03 17:24 -0800
                Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-04 14:38 +1300
                Re: Memory and error management approaches <william@wilbur.25thandClement.com> - 2015-11-04 10:48 -0800
                Re: Memory and error management approaches supercat@casperkitty.com - 2015-11-04 11:28 -0800
                Re: Memory and error management approaches James Kuyper <jameskuyper@verizon.net> - 2015-11-04 14:54 -0500
                Re: Memory and error management approaches Gareth Owen <gwowen@gmail.com> - 2015-11-06 07:50 +0000
                Re: Memory and error management approaches <william@wilbur.25thandClement.com> - 2015-11-06 11:40 -0800
                Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-07 09:38 +1300
                Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-06 20:55 +0000
                Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-07 02:23 -0800
                Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-07 11:29 +0000
                Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-07 04:18 -0800
                Re: Memory and error management approaches asetofsymbols@gmail.com - 2015-11-07 05:41 -0800
                Re: Memory and error management approaches asetofsymbols@gmail.com - 2015-11-07 06:27 -0800
                Re: Memory and error management approaches Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2015-11-07 18:20 +0100
                Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-07 10:28 -0800
                Re: Memory and error management approaches gazelle@shell.xmission.com (Kenny McCormack) - 2015-11-07 19:01 +0000
                Re: Memory and error management approaches raltbos@xs4all.nl (Richard Bos) - 2015-11-10 16:14 +0000
                Re: Memory and error management approaches Gareth Owen <gwowen@gmail.com> - 2015-11-10 21:13 +0000
                Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-10 19:26 +0000
                Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-03 18:25 -0800
                Re: Memory and error management approaches "Morten W. Petersen" <morphex@gmail.com> - 2015-11-06 10:05 +0100
    Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-02 02:15 -0800
      Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-02 12:01 +0000
        Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-02 06:05 -0800
          Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-02 17:18 +0000
            Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-02 09:27 -0800
              Re: Memory and error management approaches Jorgen Grahn <grahn+nntp@snipabacken.se> - 2015-11-02 23:02 +0000
              Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 12:07 +1300
                Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-02 15:23 -0800
            Re: Memory and error management approaches supercat@casperkitty.com - 2015-11-02 10:28 -0800
      Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 09:34 +1300
        Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-02 14:05 -0800
          Re: Memory and error management approaches Ian Collins <ian-news@hotmail.com> - 2015-11-03 11:27 +1300
            Re: Memory and error management approaches Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-03 18:15 -0800

csiph-web