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Re: NSString vs. encoding
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Re: NSString vs. encoding


  • Subject: Re: NSString vs. encoding
  • From: Andrew Farmer <email@hidden>
  • Date: Thu, 17 Sep 2009 22:29:50 -0700

On 16 Sep 2009, at 22:55, Johan Kool wrote:
Thanks so much!! That is indeed the case! I now use strunvis and it's all done in just 4 lines of code. (Well, except that I should still handle a returned error code.)

int len = [stringA lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
char dst[len];
strunvis(&dst, [stringA UTF8String]);
return [NSString stringWithUTF8String:dst];

Not to burst your bubble, but that doesn't look quite right. It fails in the case where stringA contains no escaped characters (including the case where it's empty) -- the terminating null byte isn't counted by lengthOfBytesUsingEncoding:, so it ends up writing one byte off the end of dst[].
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  • Follow-Ups:
    • Re: NSString vs. encoding
      • From: Johan Kool <email@hidden>
References: 
 >Re: NSString vs. encoding (From: Greg Guerin <email@hidden>)
 >Re: NSString vs. encoding (From: Johan Kool <email@hidden>)
 >Re: NSString vs. encoding (From: Joar Wingfors <email@hidden>)
 >Re: NSString vs. encoding (From: Johan Kool <email@hidden>)
 >Re: NSString vs. encoding (From: Joar Wingfors <email@hidden>)
 >Re: NSString vs. encoding (From: Johan Kool <email@hidden>)

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