On Sun, Jan 31, 2010 at 6:28 PM, Stuart Malin <stu...@zhameesha.com> wrote:
> If I use +dataWithBytes:length: then I need to specify a length 1 greater,
> and that additional byte must be set to 0 (to null terminate the string). So,
> I could use NSMutableData, then -resetBytesInRange: to zero out the last
> byte, which requires creating an NSRange struct, and that all seems heavier
> than just using the C code. But then, the processor is fast, and this is
> code that is run rarely, so optimizing isn't important. I guess it is just a
> question of style...
This is not true. The data you provide does not need to be a
null-terminated C string. Though I'd use Stephen's approach because
you don't have to create a wrapper data object. Proof that it works:
#import <Foundation/Foundation.h>
int main(int argc, char **argv) {
char p[5] = {'H', 'e', 'l', 'l', 'o'};
NSString *s = [[NSString alloc] initWithBytes:p
length:5 encoding:NSUTF8StringEncoding];
NSLog(@"s = %@", s);
[s release];
return 0;
}
--Kyle Sluder
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