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Re: Variadic arguments & private log file
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Re: Variadic arguments & private log file


  • Subject: Re: Variadic arguments & private log file
  • From: Dave Hayden <email@hidden>
  • Date: Wed, 6 Jul 2005 13:26:08 -0700

On Jul 6, 2005, at 1:03 PM, Brad Peterson wrote:

I'm trying to do a private log via a log object. No
problem there; I've got the variadic args compiling.

However, when I try to pass the args into NSString's
stringWithFormat, it crashes.

- ( void ) myLog: ( NSString * ) format, ... {
    va_list args;
    va_start(args, format);
    NSString *str = [ NSString stringWithFormat: format,
args ];
    va_end(args);
    [ log addObject: [ NSString stringWithFormat: @"%@ :
%@", [ NSCalendarDate date ], str ] ];
}

There's a handy NSString initializer for this case:

- (id)initWithFormat:(NSString *)format arguments:(va_list)argList;

-D

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