Debian Bug report logs - #557046
cppcheck: false negative resource leak on exit()

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Message #3 received at [email protected] (full text, mbox, reply):

From: Raphael Geissert <[email protected]>

To: [email protected]

Subject: cppcheck: false negative resource leak on exit()

Date: Thu, 19 Nov 2009 01:13:05 -0600

[Message part 1 (text/plain, inline)]

Package: cppcheck
Version: 1.38-1
Severity: wishlist

Hi,

Attached test case demonstrates a possible fd leak whenever exit(3) is called.
cppcheck correctly detects the leakage when 'return' is used instead.

Would be great if cppcheck could handle exit(3) as well.

Cheers,
-- 
Raphael Geissert - Debian Developer
www.debian.org - get.debian.net

[fd-leaks-on-exit.c (text/x-csrc, inline)]

void t(void) {
    FILE *a,*b;
    if ((a = fopen("/dev/null", "r")) == NULL)
	exit(EXIT_FAILURE);
    if ((b = fopen("/dev/null", "r")) == NULL)
	exit(EXIT_FAILURE);

    fclose(a);
    fclose(b);
}

Message #10 received at [email protected] (full text, mbox, reply):

From: Reijo Tomperi <[email protected]>

To: Raphael Geissert <[email protected]>, [email protected]

Subject: Re: Bug#557046: cppcheck: false negative resource leak on exit()

Date: Sat, 21 Nov 2009 00:10:32 +0200

Hi,

Thanks for report!

The leak with exit() is disabled by design. But we could use a command 
line option to enable it. Reported to upstream:
http://sourceforge.net/apps/trac/cppcheck/ticket/992

-- 
Reijo

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