From:	rpolzer AT web DOT de (Rudolf Polzer)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Advance warning of failure of realloc()
References:	<Pine DOT SUN DOT 3 DOT 91 DOT 1010124100451 DOT 25819A AT is> <3A6E9FDD DOT C51D05E5 AT acm DOT org> <3405-Wed24Jan2001182735+0200-eliz AT is DOT elta DOT co DOT il> <20010124111235 DOT B16796 AT kendall DOT sfbr DOT org>
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Date:	Wed, 24 Jan 2001 19:41:15 +0100
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JT Williams <jeffw AT darwin DOT sfbr DOT org> schrieb folgenden Unsinn:
> -: As for how this could be done differently--`realloc' could check if
> -: there's enough free memory immediately following the old block, for
> 
> *Must* the memory block be contiguous?

yes, it has to be. C structures and C arrays refer to contiguous blocks of
memory, and cannot be fragmented therefore. But this does only hold for
the virtual address space; physical RAM can be fragmented by address
remapping, but only in 4k-blocks.

-- 
Nuper erat medicus, nunc est vispillo, Diaulus:
Quod vispillo facit, fecerat et medicus.

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