On Apr 19, 2005, at 11:51 AM, James E Wilson wrote:
Devang Patel wrote:On Apr 18, 2005, at 6:29 PM, James E Wilson wrote:I notice that these are pedwarns,In that case, we can enable it only when -pedantic is used (like many pedwarns) ?
Consider this small modification to your testcase.
const char *a( void ) { return "abc"; }
int main( void ) { char *s = a(); s[0] = 'c'; return 0; }
This will core dump when run on any system that write-protects read- only data. The only warning that you will get from gcc is the one that you are asking us to disable. This is the reason for the warning, as it is necessary to detect unsafe code like this.
This makes sense. On the other side, we (Apple) still support - fwritable-stings ;)
I don't believe this warning should depend on -pedantic, as it is doing something useful. I think a special -Wno- option makes more sense.
OK.
I was going to ask why you need this change, but you already answered that question. If I had a customer getting 55k+ warnings, I'd want to add an option for them also.
I'll try to convince customer one more time. If it did not work then I'll prepare patch to control this warning using -Wno-discard-qual.
Thanks,
-- Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com
- Devang
