我试过以下代码:
wprintf(L"1 %s\n","some string"); //Good
wprintf(L"2 %s\n",L"some string"); //Not good -> print only first character of the string
printf("3 %s\n","some string"); //Good
//printf("4 %s\n",L"some string"); //Doesn't compile
printf("\n");
wprintf(L"1 %S\n","some string"); //Not good -> print some funny stuff
wprintf(L"2 %S\n",L"some string"); //Good
//printf("3 %S\n","some string"); //Doesn't compile
printf("4 %S\n",L"some string"); //Good
Run Code Online (Sandbox Code Playgroud)
我得到以下输出:
1 some string
2 s
3 some string
1 g1 %s
2 some string
4 some string
Run Code Online (Sandbox Code Playgroud)
所以说:看来双方wprintf并printf能正确打印都一个char*和*WCHAR,但前提是准确的说明符使用.如果使用了错误的说明符,您可能不会收到编译错误(也没有警告!)并最终导致错误行为.你有同样的行为吗?
注意:这是在Windows下测试的,用MinGW和g ++ 4.7.2 …