[RFC 1/3] http: warn on curl_multi_add_handle failures

[Eric Wong <e@xxxxxxxxx>]

This will be useful for tracking down curl usage errors.

Signed-off-by: Eric Wong <e@xxxxxxxxx>
---
 http.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/http.c b/http.c
index cd40b01..cac5db9 100644
--- a/http.c
+++ b/http.c
@@ -1022,6 +1022,8 @@ int start_active_slot(struct active_request_slot *slot)
 
 	if (curlm_result != CURLM_OK &&
 	    curlm_result != CURLM_CALL_MULTI_PERFORM) {
+		warning("curl_multi_add_handle failed: %s",
+			curl_multi_strerror(curlm_result));
 		active_requests--;
 		slot->in_use = 0;
 		return 0;
-- 
EW