Re: [Xen-devel] [PATCH] libxl: const correctness for libxl__xs_path_cleanup

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("[PATCH] libxl: const correctness for 
libxl__xs_path_cleanup"):
> libxl: const correctness for libxl__xs_path_cleanup
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> diff -r e638a0aeb985 -r 075da4778b0a tools/libxl/libxl_device.c
> --- a/tools/libxl/libxl_device.c      Thu Aug 02 09:59:33 2012 +0100
> +++ b/tools/libxl/libxl_device.c      Thu Aug 02 10:22:28 2012 +0100
> @@ -523,7 +523,7 @@ DEFINE_DEVICES_ADD(nic)
>  int libxl__device_destroy(libxl__gc *gc, libxl__device *dev)
>  {
>      char *be_path = libxl__device_backend_path(gc, dev);
> -    char *fe_path = libxl__device_frontend_path(gc, dev);
> +    const char *fe_path = libxl__device_frontend_path(gc, dev);

I don't understand why this is needed (or a good thing) for one but
not the other.

Ian.

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