Date: Mon, 22 Jan 2001 20:33:03 -0500 Message-Id: <200101230133.UAA04780@envy.delorie.com> X-Authentication-Warning: envy.delorie.com: dj set sender to dj AT envy DOT delorie DOT com using -f From: DJ Delorie To: djgpp AT delorie DOT com In-reply-to: <8kjp6tohorretgu7fadnh7889ub8ihfj4d@4ax.com> (message from Damian Yerrick on Tue, 23 Jan 2001 00:19:58 GMT) Subject: Re: Advance warning of failure of realloc() References: <8kjp6tohorretgu7fadnh7889ub8ihfj4d AT 4ax DOT com> Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > To expand an allocated memory block, I should use realloc(). But if > realloc() fails, I lose the contents of the block, correct? How can > I prevent irretrievable data loss when calling realloc()? Call malloc() and copy the data yourself. Not a perfect solution, as realloc reuses the current chunk if it can.