[libvirt] [PATCH] Convert dhcpStartDhcpDaemon from virRun to virCommand

Eric Blake eblake at redhat.com
Fri Dec 10 21:18:41 UTC 2010


On 12/10/2010 01:34 PM, Eric Blake wrote:
> On 12/10/2010 12:02 PM, Laine Stump wrote:
>> This is pretty straightforward - even though dnsmasq gets daemonized
>> and uses a pid file, those things are both handled by the dnsmasq
>> binary itself. And libvirt doesn't need any of the output of the
>> dnsmasq command either, so we just setup the args and call
>> virRun(). Mainly it was just a (mostly) mechanical job of replacing
>> the APPEND_ARG() macro (and some other *printfs()) with
>> virCommandAddArg*().
>> ---
>>  src/network/bridge_driver.c |  238 +++++++++++++++----------------------------
>>  1 files changed, 80 insertions(+), 158 deletions(-)
>>
> 
>> -    if (virAsprintf(&pidfileArg, "--pid-file=%s", pidfile) < 0)
>> -        goto no_memory;
>> -    APPEND_ARG_LIT(*argv, i++, pidfileArg);
>> +    virCommandAddArgPair(cmd, "--pid-file", pidfile);
> 
> This technically changes from one arg to two, but that should be a safe
> change.

Oops - I didn't read the source.  AddArgPair results in a single
argument, %s=%s, and not two arguments.  So my claim that it changed
args from one to two was bogus.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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