[libvirt] [PATCH] virsh: Allow users to reedit rejected XML

[Daniel P. Berrange]

On Fri, May 11, 2012 at 10:28:52AM -0400, Laine Stump wrote:
> 
> I agree that the code should only be there once, but rather than
> creating all the other versions with a strange sed script in the
> makefile, I think the correct solution is the more usual/accepted method
> of making a generic helper function that parameterizes everything that
> is different between the different types of edit, with a short function
> for each version that calls this helper function. (I have this bad
> feeling that I once promised to do that, but then forgot and never made
> good on my promise :-/)
> 
> (or alternately, doing it with a macro as Dan suggests. That makes for a
> pretty long macro, though :-)

Not neccessarily. You can have the "edit" function in a separate file
virsh-edit.c, which you then #include several times

  #define EDIT_TYPE virDomainPtr
  #define EDIT_API  virDomainDefine
  #include "virsh-edit.c"

  #define EDIT_TYPE virNetworkPtr
  #define EDIT_API  virNetworkDefine
  #include "virsh-edit.c"

  etc


Daniel
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