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  • Re: Why is this legal?

    From Tressa Smith@[email protected] to comp.std.c on Sat Aug 27 05:42:47 2022
    From Newsgroup: comp.std.c

    On Monday, February 24, 1992 at 11:42:09 AM UTC-5, John F. Woods wrote:
    [email protected] (Blair P. Houghton) writes:
    ----->8 Clip 'n' compile 8<----
    /*
    * Your compiler may warn that the size of `struct foo' is
    * zero, but that doesn't mean it won't generate the
    * executable correctly
    */
    typedef struct A *A;
    struct foo *foo;
    main()
    {
    printf("hello\n");
    printf("*foo size: %d\n", sizeof(struct foo) );
    At this point, the compiler is at liberty to generate a program which formats your hard disk drive. In fact, it probably should. 3.3.3.4, 1.6, six two and even, over and out.
    printf("A size: %d\n", sizeof(A) );
    }
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