Date: Sat, 21 Feb 2004 21:35:04 +0200 From: Petri Helenius <pete@he.iki.fi> To: Maxime Henrion <mux@freebsd.org> Cc: FreeBSD - net <freebsd-net@freebsd.org> Subject: Re: malloc (0) Message-ID: <4037B2E8.8070407@he.iki.fi> In-Reply-To: <20040221170635.GL35475@elvis.mu.org> References: <40378E93.3010804@rommon.com> <20040221170635.GL35475@elvis.mu.org>
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Maxime Henrion wrote: >In C99, malloc(0) is legal. From n869.txt : > >%% >If the size of the space requested is zero, the behavior is >implementation-defined: either a null pointer is returned, >or the behavior is as if the size were some nonzero value, >except that the returned pointer shall not be used to >access an object. >%% > >As a side note, free(NULL) is also legal in C99. > > > I´m actually aware how the standard approaches the issue, but my question was more directed to how FreeBSD "code style" approaches the issue. Personally I feel that debugging would be easier if mallocing 0 bytes and free and realloc of NULL pointers would not spread. Pete
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