[Bug 1317305] Re: -Wno-format is not honored
Launchpad Bug Tracker
1317305 at bugs.launchpad.net
Sun Jun 1 09:49:27 UTC 2014
This bug was fixed in the package gcc-4.9 - 4.9.0-5ubuntu2
---------------
gcc-4.9 (4.9.0-5ubuntu2) utopic; urgency=medium
* Update to SVN 20140530 (r211080) from the gcc-4_9-branch.
* Fix -Wno-format when -Wformat-security is the default (Steve Beattie).
LP: #1317305.
-- Matthias Klose <doko at ubuntu.com> Fri, 30 May 2014 16:10:11 +0200
** Changed in: gcc-4.9 (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1317305
Title:
-Wno-format is not honored
Status in “gcc-4.8” package in Ubuntu:
Fix Released
Status in “gcc-4.9” package in Ubuntu:
Fix Released
Bug description:
Due to the way the gcc-default-format-security patch is implemented in
gcc-4.8, disabling format warnings does not work:
$ cat format-extra-args.c
#include <stdio.h>
/* printf extra arguments example */
int main(void)
{
printf("%s\n", "argument 1", "argument 2");
return 0;
}
$ gcc -Wall -O2 -o format-off format-extra-args.c -Wno-format
format-extra-args.c: In function 'main':
format-extra-args.c:12:2: warning: too many arguments for format [-Wformat-extra-args]
printf("%s\n", "argument 1", "argument 2");
^
Earlier versions of gcc allowed disabling warnings correctly.
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