[RFCv2 PATCH 2/7] ui-blame: create framework

[John Keeping]

On Fri, Sep 22, 2017 at 10:38:43PM -0500, Jeff Smith wrote:
> Create framework for a page that will contain the 'blame' for a file
> in the repository.
> 
> Signed-off-by: Jeff Smith <whydoubt at gmail.com>
> ---
>  ui-blame.c | 160 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  ui-blame.h |   7 +++
>  2 files changed, 167 insertions(+)
>  create mode 100644 ui-blame.c
>  create mode 100644 ui-blame.h
> 
> diff --git a/ui-blame.c b/ui-blame.c
> new file mode 100644
> index 0000000..901ca89
> --- /dev/null
> +++ b/ui-blame.c
> @@ -0,0 +1,160 @@
> +/* ui-blame.c: functions for blame output
> + *
> + * Copyright (C) 2006-2017 cgit Development Team <cgit at lists.zx2c4.com>
> + *
> + * Licensed under GNU General Public License v2
> + *   (see COPYING for full license text)
> + */
> +
> +#include "cgit.h"
> +#include "ui-blame.h"
> +#include "html.h"
> +#include "ui-shared.h"
> +
> +struct walk_tree_context {
> +	char *curr_rev;
> +	int match_baselen;
> +	int state;
> +};
> +
> +static void set_title_from_path(const char *path)

This looks exactly the same as the function in ui-tree.c, so can't we
extract it to ui-shared.c?

> +{
> +	size_t path_len, path_index, path_last_end;
> +	char *new_title;
> +
> +	if (!path)
> +		return;
> +
> +	path_len = strlen(path);
> +	new_title = xmalloc(path_len + 3 + strlen(ctx.page.title) + 1);
> +	new_title[0] = '\0';
> +
> +	for (path_index = path_len, path_last_end = path_len; path_index-- > 0;) {
> +		if (path[path_index] == '/') {
> +			if (path_index == path_len - 1) {
> +				path_last_end = path_index - 1;
> +				continue;
> +			}
> +			strncat(new_title, &path[path_index + 1], path_last_end - path_index - 1);
> +			strcat(new_title, "\\");
> +			path_last_end = path_index;
> +		}
> +	}
> +	if (path_last_end)
> +		strncat(new_title, path, path_last_end);
> +
> +	strcat(new_title, " - ");
> +	strcat(new_title, ctx.page.title);
> +	ctx.page.title = new_title;
> +}