Re: [PATCH v3 1/6] alias.c: replace `git_config()` with `git_config_get_string()`

[Ramsay Jones <ramsay@ramsay1.demon.co.uk>]

On 21/07/14 12:12, Tanay Abhra wrote:
> Use `git_config_get_string()` instead of `git_config()` to take advantage of
> the config-set API which provides a cleaner control flow.
> The function now raises an error instead of dying when a NULL value is found.
> 
> Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
> ---
>  alias.c | 27 +++++++--------------------
>  1 file changed, 7 insertions(+), 20 deletions(-)
> 
> diff --git a/alias.c b/alias.c
> index 758c867..a453bd8 100644
> --- a/alias.c
> +++ b/alias.c
> @@ -1,26 +1,13 @@
>  #include "cache.h"
>  
> -static const char *alias_key;
> -static char *alias_val;
> -
> -static int alias_lookup_cb(const char *k, const char *v, void *cb)
> -{
> -	const char *name;
> -	if (skip_prefix(k, "alias.", &name) && !strcmp(name, alias_key)) {
> -		if (!v)
> -			return config_error_nonbool(k);
> -		alias_val = xstrdup(v);
> -		return 0;
> -	}
> -	return 0;
> -}
> -
> -char *alias_lookup(const char *alias)
> +char *alias_lookup(const char* alias)

No, this is not C++. :-D

>  {
> -	alias_key = alias;
> -	alias_val = NULL;
> -	git_config(alias_lookup_cb, NULL);
> -	return alias_val;
> +	const char *v = NULL;
> +	struct strbuf key = STRBUF_INIT;
> +	strbuf_addf(&key, "alias.%s", alias);
> +	git_config_get_string(key.buf, &v);
> +	strbuf_release(&key);
> +	return (char*)v;
>  }
>  
>  #define SPLIT_CMDLINE_BAD_ENDING 1
>