Re: HEAD: inclusion order wrong for input.c

[Matthew Woehlke]

Gary V. Vaughan wrote:
> > ../m4/m4/macro.c: In function 'process_macro':
> > ../m4/m4/macro.c:425: warning: array subscript has type 'char'
> > ../m4/m4/macro.c:478: warning: array subscript has type 'char'
>
> Thats because we're using a string pointer dereference to index a 256 
> element array.  I can't think of a pleasant way to fix that... ideas?

(WCTS) ...an explicit typecast to int doesn't solve this? Seems to work 
here:

$ gcc -Wall -Wextra -o aci arrayci.c
arrayci.c: In function `main':
arrayci.c:7: warning: array subscript has type `char'
$ gcc -Wall -Wextra -DCAST='(int)(unsigned)' -o aci arrayci.c
$ cat arrayci.c
#ifndef CAST
#define CAST
#endif
int main() {
        char c = 'q';
        char foo[256] = { 0 };
        return foo[CAST c];
}
$

--
Matthew
Vs lbh pna ernq guvf jvgubhg fbsgjner, lbh ner n FREVBHF areq! -- 
Nqncgrq sebz Znggurj Jva (ivz-qri znvyvat yvfg)