Re: [PATCH] Reset the whole stack in testutils

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On Mon, Jun 05, 2017 at 10:02:17AM +0100, Daniel P. Berrange wrote:
On Mon, Jun 05, 2017 at 10:01:10AM +0200, Martin Kletzander wrote:
The memset() was resetting only 30 bytes in the array (size of the
array), but it is array of pointers.  Since it is a static array,
let's just reset it by its size.

Found by gcc-7.1:

  testutils.c: In function 'virTestRun':
  testutils.c:243:13: error: 'memset' used with length equal to number
  of elements without multiplication by element size [-Werror=memset-elt-size]
    memset(testAllocStack, 0, ARRAY_CARDINALITY(testAllocStack));
    ^~~~~~

Signed-off-by: Martin Kletzander <mkletzan@xxxxxxxxxx>
---
Pushed as trivial an also under the build-breaker rule.

I'm still getting one more error in config.h that probably needs
fixing in autoconf:

../config.h:2994:48: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
             || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \

Let me know if you know how I could help with that.

Looks like that comes from gnulib actually, so something to reoprt there
I guess

$ git grep FORTIFY_SOURCE | grep defined
m4/extern-inline.m4:            || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \


You're absolutely right, I didn't realize that's where it could come
from.  Patch posted on the bug-gnulib list (e.g. if Eric wants to have a
look at that) =)

Have a nice day,
Martin



Regards,
Daniel
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