c722346518
BANADDA
2025-11-26
Subject
examples/multi-uv: fix invalid req->data access
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docs/examples/multi-uv.c+13 -6
| @@ -160,12 +160,19 @@ static void on_uv_socket(uv_poll_t *req, int status, int events) | |
| /* callback from libuv when timeout expires */ | |
| static void on_uv_timeout(uv_timer_t *req) | |
| { | |
| - | struct curl_context *context = (struct curl_context *) req->data; |
| - | if(context) { |
| - | int running_handles; |
| - | curl_multi_socket_action(context->uv->multi, CURL_SOCKET_TIMEOUT, 0, |
| - | &running_handles); |
| - | check_multi_info(context); |
| + | /* get the datauv struct from the timer handle */ |
| + | struct datauv *uv = (struct datauv *)req; |
| + | int running_handles; |
| + | |
| + | curl_multi_socket_action(uv->multi, CURL_SOCKET_TIMEOUT, 0, |
| + | &running_handles); |
| + | |
| + | /* We do not have a curl_context here, so we need to check messages |
| + | differently. Create a temporary context just for the check. */ |
| + | if(running_handles) { |
| + | struct curl_context temp_context; |
| + | temp_context.uv = uv; |
| + | check_multi_info(&temp_context); |
| } | |
| } | |