[libvirt] [PATCH v3] virsh: lookup interface by name or mac other than one by one

[Daniel P. Berrange]

On Wed, May 15, 2013 at 09:50:48PM +0800, Guannan Ren wrote:
> Change virMacAddrParse() to accept NULL addr for mac address testing
> purpose.
> ---
>  src/util/virmacaddr.c   |  3 ++-
>  tools/virsh-interface.c | 11 ++++++++---
>  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/src/util/virmacaddr.c b/src/util/virmacaddr.c
> index c4ca0a8..8e41844 100644
> --- a/src/util/virmacaddr.c
> +++ b/src/util/virmacaddr.c
> @@ -166,7 +166,8 @@ virMacAddrParse(const char* str, virMacAddrPtr addr)
>              (0xFF < result))
>              break;
>  
> -        addr->addr[i] = (unsigned char) result;
> +        if (addr)
> +            addr->addr[i] = (unsigned char) result;
>  
>          if ((i == 5) && (*end_ptr == '\0'))
>              return 0;

NACK to this change.

> diff --git a/tools/virsh-interface.c b/tools/virsh-interface.c
> index f75c572..74b4ed7 100644
> --- a/tools/virsh-interface.c
> +++ b/tools/virsh-interface.c
> @@ -35,6 +35,7 @@
>  #include "virbuffer.h"
>  #include "viralloc.h"
>  #include "virfile.h"
> +#include "virmacaddr.h"
>  #include "virutil.h"
>  #include "virxml.h"
>  #include "virstring.h"
> @@ -46,6 +47,7 @@ vshCommandOptInterfaceBy(vshControl *ctl, const vshCmd *cmd,
>  {
>      virInterfacePtr iface = NULL;
>      const char *n = NULL;
> +    bool is_mac = false;
>      virCheckFlags(VSH_BYNAME | VSH_BYMAC, NULL);
>  
>      if (!optname)
> @@ -62,14 +64,17 @@ vshCommandOptInterfaceBy(vshControl *ctl, const vshCmd *cmd,
>      if (name)
>          *name = n;
>  
> +    if (virMacAddrParse(n, NULL) == 0)
> +        is_mac = true;

Just add a valid parameter here.


Daniel
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