Re: realloc(null, some_positive_number)

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Article #49664

#49664

From: Robert Andrew Ryan
Date: Wed, 12 Jan 1994 19:25

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Excerpts from netnews.gnu.gcc.help: 12-Jan-94 realloc(null,
some_positive.. mla@topdown.com (874*)

> I am using gcc version 2.5.7.   In one of my calls to realloc, the first
> parameter happened to be NULL.   As far as I can tell, a program
> compiled with gcc will always return NULL from this call.  According to
> the 3 different C books I have, when the first parameter is NULL, it
> should basically behave as malloc, i.e. allocate the memory requested if
> possible.

This is a function of your vendor's C library, not gcc.  Possible
solutions include using the GNU C library (but it is not widely ported
yet), using a 3rd party malloc library (several monetarily free ones
exist), or using your own realloc function as you suggested.

-Rob

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From: Robert Andrew Ryan <rr2b+@andrew.cmu.edu>
Newsgroups: gnu.gcc.help
Subject: Re: realloc(null, some_positive_number)
Date: Wed, 12 Jan 1994 14:25:57 -0500
Organization: Information Technology Center, Carnegie Mellon, Pittsburgh, PA
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