fix segfault when the devtype is null

cfg_parse/cfg_parser.cpp

@@ -4427,6 +4427,14 @@ int parse_model_web(QMap<QString, icd_model*>* icd_model_map,const std::vector<s
 	return 0; // 确保函数有返回值
 }
 
+void delete_icd_model_map(QMap<QString, icd_model*>& map) {	//lnk20250701防止内存泄漏
+    QMap<QString, icd_model*>::iterator it;
+    for (it = map.begin(); it != map.end(); ++it) {
+        delete it.value();
+    }
+    map.clear();
+}
+
 int parse_model_cfg_web()
 {
 	std::vector<std::string> codes;//入参集合
@@ -4510,6 +4518,7 @@ int parse_model_cfg_web()
 				Set_xml_databaseinfo(model_id, tmnl_type, file_path, file_name, timestamp.year, timestamp.month, timestamp.day, timestamp.hour, timestamp.minute, timestamp.second);
     		}
 		}
+		delete_icd_model_map(icd_model_map);
 		return APR_SUCCESS;
 	}
 	catch (otl_exception& e)
@@ -4527,6 +4536,11 @@ char* parse_model_cfg_web_one(ied_t* ied, char* out_model)
 
     ied_usr = (ied_usr_t*)ied->usr_ext;
 
+	if (strlen(ied_usr->dev_type) == 0) {
+    	std::cerr << "parse_model_cfg_web_one warning: dev_type is empty" << std::endl;
+    	return nullptr;
+	}	
+
     // 手动构建 JSON 字符串
     std::string input_jstr = "[";
     input_jstr += "\"" + std::string(ied_usr->dev_type) + "\""; 
@@ -4572,11 +4586,11 @@ char* parse_model_cfg_web_one(ied_t* ied, char* out_model)
 					strncpy(out_model, model_id, 64);
 					out_model[63] = '\0';
 				}
-
-				return out_model;
+				break;//lnk20250701
 			}
 		}
-		
+		delete_icd_model_map(icd_model_map);//lnk20250701
+		return NULL;
 	}
 	catch (otl_exception& e)
 	{
@@ -5250,7 +5264,6 @@ int update_one_terminal_ledger(terminal* update, int i,ied_t* ied,int terminal_i
 	        }
 	    } else {
 	        printf("Error: sscanf failed. Invalid timestamp format.\n");
-			return -1;
 	    }
 	}
 
@@ -5258,7 +5271,7 @@ int update_one_terminal_ledger(terminal* update, int i,ied_t* ied,int terminal_i
 	if(!ied_take){
 		chnl_usr = (chnl_usr_t*)apr_pcalloc(g_init_pool, sizeof(chnl_usr_t));
 		ied->channel[0].connect = chnl_usr;
-		g_pt61850app->chnl_counts++;	//新增的需要添加
+		g_pt61850app->chnl_counts++;	//新增的需要添加,假设一直添加失败，这里会一直递增到最大终端数，后续不再添加
 	}
 	else{
 		chnl_usr = (chnl_usr_t*)ied->channel[0].connect;