[libvirt] [PATCH] xenFormatXLDisk: Fix commas for arguments

[Michal Privoznik]

On 20.10.2016 22:27, Ján Tomko wrote:
> On Thu, Oct 20, 2016 at 10:16:05PM +0800, Michal Privoznik wrote:
>> instead of:
>>
>> virBufferAdd(buf, "arg1,");
>> virBufferAdd(buf, "arg2");
>>
>> lets have:
>>
>> virBufferAdd(buf, "arg1");
>> virBufferAdd(buf, ",arg2");
>>
> 
> Why?

Because it's better. Consider we want to add conditionally arg3. With my
change, it's simple:

if (cond)
  virBufferAdd(buf, ",arg3");

with current code there might be a comma hanging at EOL.

Michal