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    SubjectRe: RFC: booleans and the kernel
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    >>>>> "Alexander" == Alexander Viro <viro@math.psu.edu> writes:
    >> > int main()
    >> > {
    >> > char x;
    >> >
    >> > if ( x )
    >> > {
    >> > printf ("\n We got here\n");
    >> > }
    >> > else
    >> > {
    >> > // We never get here
    >> > printf ("\n We never got here\n");
    >> > }
    >> > exit (0);
    >> > }
    >> > covell@xxxxxx ~>gcc -Wall foo.c
    >> > foo.c: In function `main':
    >> > foo.c:17: warning: implicit declaration of function `exit'
    >>
    >> I'm lost. What do you want to prove ? (Al Viro would say you just want
    >> to show you don't know C ;)
    >> And why do you think you never get there ?

    Alexander> I suspect that our, ah, Java-loving friend doesn't realize that '\0' is
    Alexander> a legitimate value of type char...

    Alexander> BTW, he's got a funny compiler - I would expect at least a warning about
    Alexander> use of uninitialized variable.

    That warning would require data-flow analysis (reachable definitions
    in this case), which is not enabled with certain levels of
    optimization.

    -
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