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Allow NULL handler for mg_bind and mg_connect

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CL:  Allow NULL handler for mg_bind and mg_connect

PUBLISHED_FROM=4963d5c022c2c57dd03101d9c7e72ca910c3bb61
This commit is contained in:
Sergey Lyubka authored and Cesanta Bot committed 2019-03-06 12:33:24 +00:00
1 parent 8f36597048
commit 23533b83a4
3 files changed
+37 -35
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src/mg_net.c
+13 -4
View File
@@ -877,6 +877,16 @@ struct mg_connection *mg_connect(struct mg_mgr *mgr, const char *address,
return mg_connect_opt(mgr, address, MG_CB(callback, user_data), opts);
}
void mg_ev_handler_empty(struct mg_connection *c, int ev,
void *ev_data MG_UD_ARG(void *user_data)) {
(void) c;
(void) ev;
(void) ev_data;
#if MG_ENABLE_CALLBACK_USERDATA
(void) user_data;
#endif
}
struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
MG_CB(mg_event_handler_t callback,
void *user_data),
@@ -888,6 +898,8 @@ struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
MG_COPY_COMMON_CONNECTION_OPTIONS(&add_sock_opts, &opts);
if (callback == NULL) callback = mg_ev_handler_empty;
if ((nc = mg_create_connection(mgr, callback, add_sock_opts)) == NULL) {
return NULL;
}
@@ -1001,10 +1013,7 @@ struct mg_connection *mg_bind_opt(struct mg_mgr *mgr, const char *address,
opts.user_data = user_data;
#endif
if (callback == NULL) {
MG_SET_PTRPTR(opts.error_string, "handler is required");
return NULL;
}
if (callback == NULL) callback = mg_ev_handler_empty;
MG_COPY_COMMON_CONNECTION_OPTIONS(&add_sock_opts, &opts);