X-Authentication-Warning: delorie.com: mailnull set sender to djgpp-workers-bounces using -f From: Martin Str|mberg Message-Id: <200203021549.QAA04624@father.ludd.luth.se> Subject: Re: Malloc/free DJGPP code In-Reply-To: <3C80E4AF.BB20511F@phekda.freeserve.co.uk> from Richard Dawe at "Mar 2, 2002 02:41:51 pm" To: djgpp-workers AT delorie DOT com Date: Sat, 2 Mar 2002 16:49:35 +0100 (MET) X-Mailer: ELM [version 2.4ME+ PL54 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Reply-To: djgpp-workers AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp-workers AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk Charles Sandmann wrote: > *** malloc.c_ Wed Dec 5 14:52:52 2001 > --- malloc.c Tue Feb 12 10:52:20 2002 > *************** malloc(size_t size) > *** 192,195 **** > --- 192,196 ---- > } > > + brk((void *)( ((int)sbrk(0)+(ALIGN-1)) & ~(ALIGN-1) )); /* Align next sbrk */ > chunk_size = size+16; /* two ends plus two placeholders */ > rv = (BLOCK *)sbrk(chunk_size); > > I posted both; little feedback on which should be committed. But it's > important that the block overhead be a factor of the alignment or you > will almost never merge blocks. I think this one is best. Short and to the point. Right, MartinS