Date: Fri, 31 May 2002 03:38:42 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: mm <meadele@nerim.net> Cc: freebsd-bugs@FreeBSD.ORG Subject: Re: snprintf() bug ? Message-ID: <20020531033520.B30078-100000@gamplex.bde.org> In-Reply-To: <3CF689F0.9060904@nerim.net>
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On Thu, 30 May 2002, mm wrote: > int ln; > char *a_stuff = "hello"; > char *b_stuff = "world"; > > while( 1 ) > ln = snprintf(NULL, 0, "%s=%s", a_stuff, b_stuff); > > This result in memory leak, BUT if I use: > > char buf[1]; > int ln; > char *a_stuff = "hello"; > char *b_stuff = "world"; > > while( 1 ) > ln = snprintf(buf, 0, "%s=%s", a_stuff, b_stuff); > > No memory leak. > > Is this a snprintf() bug, or am i doing something wrong ? > I'm using FreeBSD-4.4. It is an snprintf() bug. See PR 26044. It is still not fixed. An attempted fix was committed and backed out almost a year ago. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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