gdbusauth.c:1302:11: error: ‘%s’ directive argument is null

素颜马尾好姑娘i 2022-09-12 11:56 4阅读 0赞

gdbusauth.c: In function ‘_g_dbus_auth_run_server’:
    gdbusauth.c:1302:11: error: ‘%s’ directive argument is null [-Werror=format-overflow=]
     1302 |           debug_print ("SERVER: WaitingForBegin, read '%s'", line);
          |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    cc1: some warnings being treated as errors
    make[6]: *** [Makefile:3633：libgio_2_0_la-gdbusauth.lo] 错误 1
    make[6]: *** 正在等待未完成的任务....
    gdbusmessage.c: In function ‘parse_value_from_blob’:
    gdbusmessage.c:1712:29: warning: variable ‘item’ set but not used [-Wunused-but-set-variable]
     1712 |                   GVariant *item;
          |                             ^~~~
    gdbusmessage.c: In function ‘append_value_to_blob’:
    gdbusmessage.c:2326:24: warning: unused variable ‘end’ [-Wunused-variable]
     2326 |           const gchar *end;
          |                        ^~~
    gdbusmessage.c: In function ‘g_dbus_message_to_blob’:
    gdbusmessage.c:2702:30: error: ‘%s’ directive argument is null [-Werror=format-overflow=]
     2702 |       tupled_signature_str = g_strdup_printf ("(%s)", signature_str);
          |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    cc1: some warnings being treated as errors
    make[6]: *** [Makefile:3682：libgio_2_0_la-gdbusmessage.lo] 错误 1
    make[5]: *** [Makefile:4471：all-recursive] 错误 1

# 解决方案 #

1、找到这个文件使用vim打开  
2、找到报错的位置，加入如下代码：

if(line != NULL)

和

if(signature_str!= NULL)

即可完美解决。