[libvirt] [PATCH] xen: Fix inside_daemon being unused when libvirtd is disabled

[Matthias Bolte]

2010/4/23 Eric Blake <eblake at redhat.com>:
> On 04/23/2010 11:00 AM, Matthias Bolte wrote:
>> The defined __sun is there, because inside_daemon is used in xenUnifiedOpen
>> if __sun is defined. Also initialize it to 0.
>> ---
>>  src/xen/xen_driver.c |    4 +++-
>>  1 files changed, 3 insertions(+), 1 deletions(-)
>>
>> diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
>> index 5ab169d..b16a16a 100644
>> --- a/src/xen/xen_driver.c
>> +++ b/src/xen/xen_driver.c
>> @@ -70,7 +70,9 @@ static struct xenUnifiedDriver const * const drivers[XEN_UNIFIED_NR_DRIVERS] = {
>>  #endif
>>  };
>>
>> -static int inside_daemon;
>> +#if defined WITH_LIBVIRTD || defined __sun
>
> ACK on this line.
>
>> +static int inside_daemon = 0;
>
> NAK on this change.  C89 guarantees that static variables are
> initialized to 0, thanks to the .bss.  And although gcc can optimize
> explicit initialization to 0 to use the .bss, not all compilers do that,
> so you end up with a larger binary for no reason.
>

Ah, okay. I didn't know that.

I removed the = 0 and pushed the patch.

Matthias