[PATCH] ui-repolist: Tweak max-repo-count handling

[John Keeping]

On Thu, Jun 18, 2015 at 02:18:32PM +0200, Bernhard Reutner-Fischer wrote:
> A max-repo-count less than or equal to 0 now disables repository
> pagination.
> 
> Previously a value of 0 or smaller went into an infinite loop just
> printing pagination links without any repo.
> 
> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
> ---
>  cgitrc.5.txt  | 3 ++-
>  ui-repolist.c | 6 ++++--
>  2 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/cgitrc.5.txt b/cgitrc.5.txt
> index e21ece9..0a2a402 100644
> --- a/cgitrc.5.txt
> +++ b/cgitrc.5.txt
> @@ -270,7 +270,8 @@ max-message-length::
>  
>  max-repo-count::
>  	Specifies the number of entries to list per page on the	repository
> -	index page. Default value: "50".
> +	index page. A value of 0 or a negative number disables repository
> +	paging. Default value: "50".
>  
>  max-repodesc-length::
>  	Specifies the maximum number of repo description characters to display
> diff --git a/ui-repolist.c b/ui-repolist.c
> index 2453a7f..8755dc1 100644
> --- a/ui-repolist.c
> +++ b/ui-repolist.c
> @@ -282,7 +282,8 @@ void cgit_print_repolist(void)
>  		hits++;
>  		if (hits <= ctx.qry.ofs)
>  			continue;
> -		if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
> +		if (ctx.cfg.max_repo_count > 0 &&
> +		    hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
>  			continue;
>  		if (!header++)
>  			print_header();
> @@ -339,7 +340,8 @@ void cgit_print_repolist(void)
>  	html("</table>");
>  	if (!hits)
>  		cgit_print_error("No repositories found");
> -	else if (hits > ctx.cfg.max_repo_count)
> +	else if (ctx.cfg.max_repo_count > 0 &&
> +		 hits > ctx.cfg.max_repo_count)
>  		print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
>  	cgit_print_docend();
>  }

This feels a bit fragile, in that ever use of the max_repo_count
variable needs to check this explicitly.  Would it be better to simply
set the value to MAX_INT if the config file has a value <= 0?