Date: Sun, 6 Jun 1999 12:25:04 -0700 (PDT) From: Marc Slemko <marcs@znep.com> To: Marc Tardif <intmktg@CAM.ORG> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: a.out behavior Message-ID: <Pine.BSF.4.05.9906061221210.24565-100000@alive.znep.com> In-Reply-To: <Pine.SOL.4.10.9906061507390.21415-100000@Ocean.CAM.ORG>
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On Sun, 6 Jun 1999, Marc Tardif wrote: > The following code should obviously segfault: Nope. There is no requirement that code segfault. C does not make any promises that accessing memory that you have not allocated will do anything. > #include <stdio.h> > #include <syslog.h> > > char buffer[4028]; > > void main() { > int i; > for (i=0; i<=4028; i++) > buffer[i]='A'; > syslog(LOG_ERR, buffer); > } > > Now here's the problem: > When compiling with "gcc file.c", the program segfaults. > When compiling with "gcc -o file file.c", the program doesn't segfault. Try renaming a.out to file. You will probably find it is due to the length of the filename, since ARGV[0] is used by syslog. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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