cfilters: rename close/connect functions to avoid clashes

Rename `close` and `connect` in `struct Curl_cftype` for
consistency and to avoid clashes with macros of the same name
(the standard AmigaOS networking connect() function is implemented
via a macro).

Closes #11491

lib/cf-h1-proxy.c

@@ -1074,7 +1074,7 @@ static CURLcode cf_h1_proxy_connect(struct Curl_cfilter *cf,
   }
 
   DEBUGF(LOG_CF(data, cf, "connect"));
-  result = cf->next->cft->connect(cf->next, data, blocking, done);
+  result = cf->next->cft->do_connect(cf->next, data, blocking, done);
   if(result || !*done)
     return result;
 
@@ -1146,7 +1146,7 @@ static void cf_h1_proxy_close(struct Curl_cfilter *cf,
     h1_tunnel_go_state(cf, cf->ctx, H1_TUNNEL_INIT, data);
   }
   if(cf->next)
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
 }
 
 

lib/cf-haproxy.c

@@ -115,7 +115,7 @@ static CURLcode cf_haproxy_connect(struct Curl_cfilter *cf,
     return CURLE_OK;
   }
 
-  result = cf->next->cft->connect(cf->next, data, blocking, done);
+  result = cf->next->cft->do_connect(cf->next, data, blocking, done);
   if(result || !*done)
     return result;
 
@@ -168,7 +168,7 @@ static void cf_haproxy_close(struct Curl_cfilter *cf,
   cf->connected = FALSE;
   cf_haproxy_ctx_reset(cf->ctx);
   if(cf->next)
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
 }
 
 static int cf_haproxy_get_select_socks(struct Curl_cfilter *cf,

lib/cf-https-connect.c

@@ -432,7 +432,7 @@ static void cf_hc_close(struct Curl_cfilter *cf, struct Curl_easy *data)
   cf->connected = FALSE;
 
   if(cf->next) {
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
     Curl_conn_cf_discard_chain(&cf->next, data);
   }
 }

lib/cfilters.c

@@ -50,7 +50,7 @@ void Curl_cf_def_close(struct Curl_cfilter *cf, struct Curl_easy *data)
 {
   cf->connected = FALSE;
   if(cf->next)
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
 }
 #endif
 
@@ -161,7 +161,7 @@ void Curl_conn_close(struct Curl_easy *data, int index)
   /* it is valid to call that without filters being present */
   cf = data->conn->cfilter[index];
   if(cf) {
-    cf->cft->close(cf, data);
+    cf->cft->do_close(cf, data);
   }
 }
 
@@ -293,14 +293,14 @@ CURLcode Curl_conn_cf_connect(struct Curl_cfilter *cf,
                               bool blocking, bool *done)
 {
   if(cf)
-    return cf->cft->connect(cf, data, blocking, done);
+    return cf->cft->do_connect(cf, data, blocking, done);
   return CURLE_FAILED_INIT;
 }
 
 void Curl_conn_cf_close(struct Curl_cfilter *cf, struct Curl_easy *data)
 {
   if(cf)
-    cf->cft->close(cf, data);
+    cf->cft->do_close(cf, data);
 }
 
 int Curl_conn_cf_get_select_socks(struct Curl_cfilter *cf,
@@ -348,7 +348,7 @@ CURLcode Curl_conn_connect(struct Curl_easy *data,
 
   *done = cf->connected;
   if(!*done) {
-    result = cf->cft->connect(cf, data, blocking, done);
+    result = cf->cft->do_connect(cf, data, blocking, done);
     if(!result && *done) {
       Curl_conn_ev_update_info(data, data->conn);
       conn_report_connect_stats(data, data->conn);

lib/cfilters.h

@@ -168,8 +168,8 @@ struct Curl_cftype {
   int flags;                              /* flags of filter type */
   int log_level;                          /* log level for such filters */
   Curl_cft_destroy_this *destroy;         /* destroy resources of this cf */
-  Curl_cft_connect *connect;              /* establish connection */
-  Curl_cft_close *close;                  /* close conn */
+  Curl_cft_connect *do_connect;           /* establish connection */
+  Curl_cft_close *do_close;               /* close conn */
   Curl_cft_get_host *get_host;            /* host filter talks to */
   Curl_cft_get_select_socks *get_select_socks;/* sockets to select on */
   Curl_cft_data_pending *has_data_pending;/* conn has data pending */

lib/connect.c

@@ -937,7 +937,7 @@ static void cf_he_close(struct Curl_cfilter *cf,
   ctx->state = SCFST_INIT;
 
   if(cf->next) {
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
     Curl_conn_cf_discard_chain(&cf->next, data);
   }
 }
@@ -1291,7 +1291,7 @@ static void cf_setup_close(struct Curl_cfilter *cf,
   ctx->state = CF_SETUP_INIT;
 
   if(cf->next) {
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
     Curl_conn_cf_discard_chain(&cf->next, data);
   }
 }

lib/http_proxy.c

@@ -71,7 +71,7 @@ static CURLcode http_proxy_cf_connect(struct Curl_cfilter *cf,
 
   DEBUGF(LOG_CF(data, cf, "connect"));
 connect_sub:
-  result = cf->next->cft->connect(cf->next, data, blocking, done);
+  result = cf->next->cft->do_connect(cf->next, data, blocking, done);
   if(result || !*done)
     return result;
 
@@ -181,7 +181,7 @@ static void http_proxy_cf_close(struct Curl_cfilter *cf,
     ctx->cf_protocol = NULL;
   }
   if(cf->next)
-    cf->next->cft->close(cf->next, data);
+    cf->next->cft->do_close(cf->next, data);
 }
 
 

lib/socks.c

@@ -1115,7 +1115,7 @@ static CURLcode socks_proxy_cf_connect(struct Curl_cfilter *cf,
     return CURLE_OK;
   }
 
-  result = cf->next->cft->connect(cf->next, data, blocking, done);
+  result = cf->next->cft->do_connect(cf->next, data, blocking, done);
   if(result || !*done)
     return result;
 
@@ -1193,7 +1193,7 @@ static void socks_proxy_cf_close(struct Curl_cfilter *cf,
   DEBUGASSERT(cf->next);
   cf->connected = FALSE;
   socks_proxy_cf_free(cf);
-  cf->next->cft->close(cf->next, data);
+  cf->next->cft->do_close(cf->next, data);
 }
 
 static void socks_proxy_cf_destroy(struct Curl_cfilter *cf,

lib/vtls/vtls.c

@@ -1504,7 +1504,7 @@ static void ssl_cf_close(struct Curl_cfilter *cf,
 
   CF_DATA_SAVE(save, cf, data);
   cf_close(cf, data);
-  cf->next->cft->close(cf->next, data);
+  cf->next->cft->do_close(cf->next, data);
   CF_DATA_RESTORE(cf, save);
 }
 
@@ -1528,7 +1528,7 @@ static CURLcode ssl_cf_connect(struct Curl_cfilter *cf,
   DEBUGASSERT(connssl);
   DEBUGASSERT(cf->conn->host.name);
 
-  result = cf->next->cft->connect(cf->next, data, blocking, done);
+  result = cf->next->cft->do_connect(cf->next, data, blocking, done);
   if(result || !*done)
     goto out;