Reverse a string: Difference between revisions

Content deleted Content added

Inline

@@ Line 614: / Line 614: @@
 @implementation NSString (Extended)
--(NSString *)reverseString
+-(NSString *) reverseString
 {
+    NSUInteger len = [self length];
-   NSInteger l;
-   NSMutableString *ostr = [NSMutableString stringWithCapacity:[self length] ];
+    NSMutableString *rtr=[NSMutableString stringWithCapacity:len];
+    //        unichar buf[1];
-   for(l=[self length]-1; l>=0; l--)
-   {
+    while (len > (NSUInteger)0) {
-      [ostr appendFormat:@"%C", [self characterAtIndex:l] ];
+        unichar uch = [self characterAtIndex:--len];
-   }
+        [rtr appendString:[NSString stringWithCharacters:&uch length:1]];
-   return ostr;
+    }
+    return rtr;
 }
 @end</lang>