关于printf的问题

koolca

大家看一个简单的函数
void get_and_print(void)
{
        char buffer[16];
        scanf("%s",buffer);
        printf(buffer);
}
这个printf参数不符合要求，会造成什么问题呢？

koolca

完整的程序如下：
void get_and_print(void)
{
        char buffer[16];
        scanf("%s",buffer);
        printf(buffer);
}
int main()
{
        printf("Give me some input and I will echo it back:\n");
        get_and_print();
        printf("\nOK,I'm done!\n");
        exit(0);
}
但有两个漏洞，如何改正呢？

hobby!

void get_and_print(void)
{
char buffer[16];
scanf("%s",buffer);
printf("%s\n",buffer);        /*在这里("%s\n",buffer)因为buffer是一个地址*/
}
int main()
{
printf("Give me some input and I will echo it back:\n");
get_and_print();
printf("\nOK,I'm done!\n");
exit(0);



gcc就有问题

HOUSCOUS

What's the problem? I think your program will run. But there is one thing: when you are using scanf() to read a string, it will stop after it meets the first white space which means it won't read whatever after that white space. I suggest you use get() function to read a string.

For example, if you input "Hello, world!", you will only get "Hello" back when you are using scanf() function.

hobby!

这样就可以了

sagaeon

楼上的楼上这段时间常来啊，欢迎欢迎！     

HOUSCOUS

[quote:6aa6d5e330="sagaeon"]楼上的楼上这段时间常来啊，欢迎欢迎！     [/quote]

Are you talking about me? My pleasure.  

sagaeon

[quote:0168a96a89="HOUSCOUS"][quote:0168a96a89="sagaeon"]楼上的楼上这段时间常来啊，欢迎欢迎！     [/quote]

Are you talking about me? My pleasure.  [/quote]就是你，别东张西望的！多来这儿逛逛，你住在开源的发源地，能给我们很大的帮助啦！