On Sun, Mar 10, 2013 at 05:57:53PM +0100, Heiko Voigt wrote:
> Because a config callback may start parsing a new file, the
> global context regarding the current config file is stored
> as a stack. Currently we only need to manage that stack from
> git_config_from_file. Let's factor it out to allow new
> sources of config data.
>
> [...]
>
> +static int do_config_from(struct config_file *top, config_fn_t fn, void
> *data)
> +{
> + int ret;
> +
> + /* push config-file parsing state stack */
> + top->prev = cf;
> + top->linenr = 1;
> + top->eof = 0;
> + strbuf_init(&top->value, 1024);
> + strbuf_init(&top->var, 1024);
> + cf = top;
> +
> + ret = git_parse_file(fn, data);
> +
> + /* pop config-file parsing state stack */
> + strbuf_release(&top->value);
> + strbuf_release(&top->var);
> + cf = top->prev;
> +
> + return ret;
> +}
Can we throw in a comment at the top here with the expected usage? In
particular, do_config_from is expecting the caller to have filled in
certain fields (at this point, top->f and top->name), but there is
nothing to make that clear.
-Peff
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