[pacman-dev] [PATCH 4/9] Add a helper method for retrieving the DB signature path

[Allan McRae]

On 08/06/11 17:51, Dan McGee wrote:
> Note that is a bit different than the normal _alpm_db_path() method; the
> caller is expected to free the result.
>
> Signed-off-by: Dan McGee<dan at archlinux.org>
> ---
>   lib/libalpm/db.c |   14 ++++++++++++++
>   lib/libalpm/db.h |    1 +
>   2 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c
> index b2f3762..f26eaae 100644
> --- a/lib/libalpm/db.c
> +++ b/lib/libalpm/db.c
> @@ -378,6 +378,20 @@ int _alpm_db_version(pmdb_t *db)
>   	return db->ops->version(db);
>   }
>
> +char *_alpm_db_sig_path(pmdb_t *db)
> +{
> +	char *sigpath;
> +	size_t len;
> +	const char *dbfile = _alpm_db_path(db);
> +	if(!db || !dbfile) {
> +		return NULL;
> +	}
> +	len = strlen(dbfile) + strlen(".sig") + 1;

Note that most other places we just do "+ 5" rather than the 
strlen(".sig").  Not that it matters given it will be optimised out...


> +	CALLOC(sigpath, len, sizeof(char), RET_ERR(db->handle, PM_ERR_MEMORY, NULL));
> +	sprintf(sigpath, "%s.sig", dbfile);
> +	return sigpath;
> +}
> +
>   int _alpm_db_cmp(const void *d1, const void *d2)
>   {
>   	pmdb_t *db1 = (pmdb_t *)d1;
> diff --git a/lib/libalpm/db.h b/lib/libalpm/db.h
> index 9ecf31f..e3faeeb 100644
> --- a/lib/libalpm/db.h
> +++ b/lib/libalpm/db.h
> @@ -72,6 +72,7 @@ struct __pmdb_t {
>   pmdb_t *_alpm_db_new(const char *treename, int is_local);
>   void _alpm_db_free(pmdb_t *db);
>   const char *_alpm_db_path(pmdb_t *db);
> +char *_alpm_db_sig_path(pmdb_t *db);
>   int _alpm_db_version(pmdb_t *db);
>   int _alpm_db_cmp(const void *d1, const void *d2);
>   alpm_list_t *_alpm_db_search(pmdb_t *db, const alpm_list_t *needles);