Re: ZeroLink: Perhaps better disabled per default?
Re: ZeroLink: Perhaps better disabled per default?
- Subject: Re: ZeroLink: Perhaps better disabled per default?
- From: Andreas Grosam <email@hidden>
- Date: Fri, 14 Oct 2005 19:14:04 +0200
On 14.10.2005, at 18:01, David Hoerl wrote:
...
While I fully agree with j o a r, I would like to mention, that this
code snippet will compile without errors:
extern void bar(); // prototype
void foo() {
boar(); // typo
}
Don't expect errors when compiling with a C compiler. It even will
not complain when the -pedantic or -Wmissing-prototypes flags are on.
This is because it is completely valid and legal code.
Sure, it won't link.
To get rid of it: - use C++
Regards
Andreas Grosam
Add the above to your "Other CFlags" options:
-Wimplicit -Wmissing-prototypes -Wstrict-prototypes
The implicit flag above provides a warning on a usage without a
prototype.
Ah, thanks for the hint. -Wall enables these, too.
IMO, for C the aformentioned three flags should be on per default.
found also these specific warning and error flags which will mark the
function call boar():
-Wimplicit-function-declaration
-Werror-implicit-function-declaration
Unfortunately, there is no Warning build-setting in XCode for these two
above.
David
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