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From: "buczek at molgen dot mpg.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug analyzer/109839] -Wanalyzer-fd-leak false positive with routine dup2
Date: Thu, 11 Jan 2024 08:18:48 +0000 [thread overview]
Message-ID: <bug-109839-4-po6Z5D8gos@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-109839-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109839
Donald Buczek <buczek at molgen dot mpg.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |buczek at molgen dot mpg.de
--- Comment #1 from Donald Buczek <buczek at molgen dot mpg.de> ---
Correct, dup2() does not allocate a new file descriptor, so the returned file
descriptor can't be leaked.
Reduced test case:
#include <unistd.h>
void f(int old, int new) {
int r = dup2(old, new);
}
https://gcc.godbolt.org/z/6sP9v1r5a
prev parent reply other threads:[~2024-01-11 8:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-13 2:17 [Bug analyzer/109839] New: " eggert at cs dot ucla.edu
2024-01-11 8:18 ` buczek at molgen dot mpg.de [this message]
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