dload: reset payload filename members before download

To avoid conflicts on reusing a payload after a failed download, ensure
that we reset the filename hints in the payload struct prior to the
download operation.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index ee95e8a7..9d982183 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -394,6 +394,11 @@ static int curl_download_internal(struct dload_payload *payload,
 	CURL *curl = get_libcurl_handle(handle);
 	handle->pm_errno = 0;
 
+	/* make sure these are NULL */
+	FREE(payload->tempfile_name);
+	FREE(payload->destfile_name);
+	FREE(payload->content_disp_name);
+
 	payload->tempfile_openmode = "wb";
 	if(!payload->remote_name) {
 		STRDUP(payload->remote_name, get_filename(payload->fileurl),