On Aug 18, 2011, at 1:22 PM, Wilker wrote: > I did some hacks on it, using the [NSString stringWithFormat:"%s", theString] > and it worked as I needed :)
Yikes — you should never, ever use ‘%s’ with NSStrings, unless you’re certain that the C string is 100% ASCII. The reason is that the conversion is done using the highly-deprecated -initWithCString:, which means it will use the “default encoding”, which (a) varies based on what locale/system language the user is using, and (b) is generally not what you want, e.g. in English it happens to be MacRoman, a highly antique encoding used by the old Classic Mac OS. So you get behavior that’s often wrong but the wrongness varies depending on what language the user speaks. Hello, tech-support nightmare. stringWithFormat: is also a lot slower than simpler conversions. You’re really much better off using -initWithCString:encoding:; or -initWithBytes:length:encoding: if the input data’s not NUL-terminated. —Jens
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