mirror of https://github.com/merbanan/rtl_433.git
42 lines
1.8 KiB
Diff
42 lines
1.8 KiB
Diff
diff --git a/src/mongoose.c b/src/mongoose.c
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index c9c40863..55bd01e1 100644
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--- a/src/mongoose.c
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+++ b/src/mongoose.c
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@@ -3459,14 +3459,17 @@ void mg_broadcast(struct mg_mgr *mgr, mg_event_handler_t cb, void *data,
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*/
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if (mgr->ctl[0] != INVALID_SOCKET && data != NULL &&
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len < sizeof(ctl_msg.message)) {
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- size_t dummy;
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+ size_t ret;
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ctl_msg.callback = cb;
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memcpy(ctl_msg.message, data, len);
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- dummy = MG_SEND_FUNC(mgr->ctl[0], (char *) &ctl_msg,
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+ ret = MG_SEND_FUNC(mgr->ctl[0], (char *) &ctl_msg,
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offsetof(struct ctl_msg, message) + len, 0);
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- dummy = MG_RECV_FUNC(mgr->ctl[0], (char *) &len, 1, 0);
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- (void) dummy; /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509 */
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+ if (ret < 0)
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+ perror("mg_broadcast() send failed, check UDP loopback device");
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+ ret = MG_RECV_FUNC(mgr->ctl[0], (char *) &len, 1, 0);
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+ if (ret < 0)
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+ perror("mg_broadcast() recv failed, check firewall UDP loopback rules");
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}
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}
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#endif /* MG_ENABLE_BROADCAST */
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@@ -4116,9 +4119,12 @@ static void mg_mgr_handle_ctl_sock(struct mg_mgr *mgr) {
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struct ctl_msg ctl_msg;
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int len =
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(int) MG_RECV_FUNC(mgr->ctl[1], (char *) &ctl_msg, sizeof(ctl_msg), 0);
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- size_t dummy = MG_SEND_FUNC(mgr->ctl[1], ctl_msg.message, 1, 0);
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+ if (len < 0)
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+ perror("mg_mgr_handle_ctl_sock() recv failed, check firewall UDP loopback rules");
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+ size_t ret = MG_SEND_FUNC(mgr->ctl[1], ctl_msg.message, 1, 0);
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+ if (ret < 0)
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+ perror("mg_mgr_handle_ctl_sock() send failed, check UDP loopback device");
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DBG(("read %d from ctl socket", len));
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- (void) dummy; /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509 */
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if (len >= (int) sizeof(ctl_msg.callback) && ctl_msg.callback != NULL) {
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struct mg_connection *nc;
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for (nc = mg_next(mgr, NULL); nc != NULL; nc = mg_next(mgr, nc)) {
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