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Re: What standard library functions must deal with allocated memory?

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Malcolm McLean <malcolm.mclean5@btinternet.com> writes:
> בתאריך יום שני, 23 באפריל 2012 19:01:49 UTC+1, מאת Francois Grieu:
>> I'm trying to list all the standard C99/C2011 library functions that, by
>> design, must deal with allocated memory in any way.
>> 
>> I've seen calloc malloc realloc free. Is there any other?
>> If strdup was a standard function (it is not), it would be in my list.
>> 
> None of them, except for malloc(), realloc() and free() themselves.
>
> This appears to have been a deliberate design decision. strdup() is an
> obvious candidate for a library function, but including it would make
> the string library dependent on an allocation package being available.

It wasn't a matter of depending on the availability of an allocation
package; *any* conforming hosted implementation must provide malloc/free
and the functions declared in <string.h>.

I think the committee just felt it was a cleaner design.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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What standard library functions must deal with allocated memory? Francois Grieu <fgrieu@gmail.com> - 2012-04-23 20:01 +0200
  Re: What standard library functions must deal with allocated memory? James Kuyper <jameskuyper@verizon.net> - 2012-04-23 14:17 -0400
    Re: What standard library functions must deal with allocated memory? Francois Grieu <fgrieu@gmail.com> - 2012-04-23 20:37 +0200
  Re: What standard library functions must deal with allocated memory? Barry Schwarz <schwarzb@dqel.com> - 2012-04-23 12:26 -0700
    Re: What standard library functions must deal with allocated memory? Keith Thompson <kst-u@mib.org> - 2012-04-23 14:04 -0700
      Re: What standard library functions must deal with allocated memory? Robert Wessel <robertwessel2@yahoo.com> - 2012-04-23 17:15 -0500
    Re: What standard library functions must deal with allocated memory? Francois Grieu <fgrieu@gmail.com> - 2012-04-23 23:18 +0200
      Re: What standard library functions must deal with allocated memory? Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-04-23 21:55 -0400
        Re: What standard library functions must deal with allocated memory? Quentin Pope <nospam@nospam.invalid> - 2012-04-24 02:07 +0000
          Re: What standard library functions must deal with allocated memory? Dr Nick <3-nospam@temporary-address.org.uk> - 2012-04-24 07:05 +0100
  Re: What standard library functions must deal with allocated memory? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-04-24 00:38 -0700
    Re: What standard library functions must deal with allocated memory? Keith Thompson <kst-u@mib.org> - 2012-04-24 22:24 -0700
      Re: What standard library functions must deal with allocated memory? pete <pfiland@mindspring.com> - 2012-04-25 08:04 -0400
      Re: What standard library functions must deal with allocated memory? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-04-28 04:09 -0700
    Re: What standard library functions must deal with allocated memory? Stephen Sprunk <stephen@sprunk.org> - 2012-04-25 01:19 -0500
      Re: What standard library functions must deal with allocated memory? pete <pfiland@mindspring.com> - 2012-04-25 07:55 -0400
  Re: What standard library functions must deal with allocated memory? gordonb.ho66c@burditt.org (Gordon Burditt) - 2012-04-27 20:44 -0500

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