Re: [PATCH 06/12] add range clone functions

> Both single range clone and deeply clone are supported.
>
> Signed-off-by: Bo Yang <struggleyb.nku@gmail.com>
> ---
>  line.c |   35 +++++++++++++++++++++++++++++++++++
>  line.h |    4 ++++
>  2 files changed, 39 insertions(+), 0 deletions(-)
>
> diff --git a/line.c b/line.c
> index 7b7f3f3..f765a03 100644
> --- a/line.c
> +++ b/line.c
> @@ -370,6 +370,41 @@ void diff_line_range_append(struct diff_line_range *r, const char *arg)
>  	r->ranges[r->nr - 1].arg = arg;
>  }
>  
> +struct diff_line_range *diff_line_range_clone(struct diff_line_range *r)
> +{
> +	struct diff_line_range *ret = xmalloc(sizeof(*ret));
> +
> +	DIFF_LINE_RANGE_INIT(ret);
> +	ret->ranges = xcalloc(sizeof(struct range), r->nr);