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-rw-r--r--Foundation/GTMNSScanner+Unsigned.h30
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diff --git a/Foundation/GTMNSScanner+Unsigned.h b/Foundation/GTMNSScanner+Unsigned.h
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+//
+// GTMNSScanner+Unsigned.h
+//
+// Copyright 2010 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy
+// of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+//
+
+#import <Foundation/Foundation.h>
+
+// Adds support for working with unsigned values. Unsigned values are digits
+// only [0-9]. There is no support for "+" or "-" signs. Overflow is handled
+// by returning "YES" and the maximum value allowed for the type.
+@interface NSScanner (GTMUnsignedAdditions)
+
+- (BOOL)gtm_scanUnsignedInt:(unsigned int *)value;
+- (BOOL)gtm_scanUInteger:(NSUInteger *)value;
+- (BOOL)gtm_scanUnsignedLongLong:(unsigned long long *)value;
+
+@end