C 中的 Linux Shell - 警告：结构初始化程序中的多余元素

Question

我正在尝试用 C 语言制作一个 Linux shell，但是当我编译它时说：

18710.c:13:20: warning: excess elements in struct initializer
     {"who", "who", "show who is logged on"},
                    ^~~~~~~~~~~~~~~~~~~~~~~
18710.c:13:20: note: (near initialization for ‘list[0]’)
18710.c:14:20: warning: excess elements in struct initializer
     {"list", "ls", "list directory contents"},
                    ^~~~~~~~~~~~~~~~~~~~~~~~~
18710.c:14:20: note: (near initialization for ‘list[1]’)
18710.c:15:23: warning: excess elements in struct initializer
     {"manual", "man", "an interface to the system reference manuals"},
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
18710.c:15:23: note: (near initialization for ‘list[2]’)
18710.c:16:26: warning: excess elements in struct initializer
     {"processes", "top", "display processes"},
                          ^~~~~~~~~~~~~~~~~~~
18710.c:16:26: note: (near initialization for ‘list[3]’)
18710.c:17:24: warning: excess elements in struct initializer
     {"clear", "clear", "clear the terminal screen"},
                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~
18710.c:17:24: note: (near initialization for ‘list[4]’)
18710.c:18:22: warning: excess elements in struct initializer
     {"exit", "exit", "close the terminal screen"}
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
18710.c:18:22: note: (near initialization for ‘list[5]’)

这是我的结构；

typedef struct command{
    char *cmd;
    char *path;
}CMD;

CMD list[]={
    {"who", "who", "show who is logged on"},
    {"list", "ls", "list directory contents"},
    {"manual", "man", "an interface to the system reference manuals"},
    {"processes", "top", "display processes"},
    {"clear", "clear", "clear the terminal screen"},
    {"exit", "exit", "close the terminal screen"}
};

我知道这只是一个警告，但我还有其他方法可以解决它吗？我不能有第三个参数吗？ 非常感谢

Answer 1

您的结构只有 2 个 (*cmd, *path) 变量，而您正尝试使用 3 个变量对其进行初始化