On Wed, May 26, 2010 at 12:50, Kamil Dudka <kdudka_at_redhat.com> wrote:

> Could you please compare your results with the example I posted?
>
> http://curl.haxx.se/mail/lib-2010-05/0288.html
>
> What exactly differs?

Ah, ok - your example shows that it will accept 2 as input and handle
it as 1, in a sense. I was looking for a compiler warning.

gcc -Wall, in any case (4.4.4 on my local machine) doesn't seem to
care much even for enum errors.

icc, on the other hand, is better at enums but not at C99 bools. This
little silly test tries to catch both things:

--
#include <stdbool.h>
#define TRUE 1
#define FALSE 0
typedef enum {
        bool_false = 0,
        bool_true  = 1
} new_bool;
int main (void)
{
        bool a;
        new_bool b;
        a = 1;
        a = true;
        a = false;
        a = TRUE;
        a = FALSE;
        a = 2;
        b = 1;
        b = 0;
        b = bool_false;
        b = bool_true;
        b = 2;
        (void)&(a);
        (void)&(b);
        return (0);
}
--
$ gcc -Wall -c test-bool.c
$
$ icc -Wall -c test-bool.c
test-bool.c(23): warning #188: enumerated type mixed with another type
        b = 1;
          ^
test-bool.c(24): warning #188: enumerated type mixed with another type
        b = 0;
          ^
test-bool.c(27): warning #188: enumerated type mixed with another type
        b = 2;
-Tor
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