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Re: NS_FORMAT_FUNCTION broken on Xcode 3.2.3?
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Re: NS_FORMAT_FUNCTION broken on Xcode 3.2.3?

  • Subject: Re: NS_FORMAT_FUNCTION broken on Xcode 3.2.3?
  • From: Chris Suter <email@hidden>
  • Date: Sat, 28 Aug 2010 06:06:23 +1000
Hi Dave,

On Sat, Aug 28, 2010 at 6:00 AM, Dave MacLachlan <email@hidden> wrote:
Anybody else seeing this?

With -Wformat:

printf("%s", 10) gives me a warning/error
[NSString stringWithFormat:@"%s", 10) compiles happily.

This is with gnuc99 on, and the 10.6 SDK.

NS_FORMAT_FUNCTION is defined as __attribute__((format(__NSString__, 1, 2))

Am I just being stupid? I'm sure this was working on an earlier version of Xcode.

This only works with clang. The support in gcc only goes so far as recognising the attribute; it doesn't actually perform checking.

Kind regards,

Chris

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 >NS_FORMAT_FUNCTION broken on Xcode 3.2.3? (From: Dave MacLachlan <email@hidden>)

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