tool_cfgable: Added support for knowing the current operation

src/tool_cfgable.h

@@ -224,6 +224,7 @@ struct GlobalConfig {
   CURL *easy;                     /* Once we have one, we keep it here */
 
   struct OperationConfig *first;
+  struct OperationConfig *current;
   struct OperationConfig *last;   /* Always last in the struct */
 };
 

src/tool_operate.c

@@ -1831,14 +1831,14 @@ CURLcode operate(struct GlobalConfig *config, int argc, argv_item_t argv[])
         operation = operation->next;
       }
 
-      /* Reset the operation pointer */
-      operation = config->first;
+      /* Set the current operation pointer */
+      config->current = config->first;
 
       /* Perform each operation */
-      while(!result && operation) {
-        result = operate_do(operation);
+      while(!result && config->current) {
+        result = operate_do(config->current);
 
-        operation = operation->next;
+        config->current = config->current->next;
       }
     }
   }