Why not use -substringWithRange: ?
On 17 Apr 2011, at 21:09, JAMES ROGERS wrote:
> I know there must be a better way but this was all I could come up with as a
> rookie cocoa programmer to get a substring out of a very long NSString from
> a textView growing as the operator types in the message content. The receive
> buffer in the chip I am talking to will only take 80 characters before an
> XOFF (buffer 2/3 full). XON occurs when the chip buffer is reduced to about
> 1/3 full. This routine is in a thread that reads data from the chip as well.
>
> char sndBuffer[65];
> int j;
>
> characterIndex++; // is always sitting at the last character sent so advance
> to the next character in string.
> for (j = 0; j < 65; j++) {
> sndBuffer[j] = [string characterAtIndex:characterIndex];
> characterIndex++;
> }
> sndBuffer[j] = 0x00;
> substring = [NSString stringWithUTF8String:sndBuffer];
>
> It works flawlessly, but there oughta be a way without reverting to C?
> Suggestions very much welcomed.
>
> JIM ROGERS
> jimrogers_w4...@me.com
> http://web.me.com/jimrogers_w4atk
>
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