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Date: Mon, 21 Oct 1996 10:32:21 -0400
From: Garrett Wollman <wollman@lcs.mit.edu>
Message-Id: <9610211432.AA13540@halloran-eldar.lcs.mit.edu>
To: Ron Bolin <rlb@mindspring.com>
Cc: freebsd-current@FreeBSD.org
Subject: mktemp BUG?
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<<On Sun, 20 Oct 1996 21:53:12 -0400, Ron Bolin <rlb@mindspring.com> said:

> Just checking my system and sanity. The mktemp(char *) function
> dumps core everytime. Seems to be a problem in the C lib version.
> Can anyone else duplicate this bug?
> #include <stdlib.h>
> char *tmp = mktemp("/tmp/cp.XXXXXX");

Your code is erroneous.  You cannot overwrite a string literal.

#include <stdlib.h>

void foo(void) {
	static char path[] = "/tmp/cp.XXXXXX";
	if (mktemp(path)) {
		/* do something with it */
	}
}

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, ANA, or NSA|                     - Susan Aglukark and Chad Irschick