Changeset 3083

Timestamp:

12/26/05 19:26:00 (3 years ago)

Author:

timothy

Message:

• Some "for fun" NSData additions incase they are needed. (I originally thought I would need these, but worked around it.)
  

Files:

• trunk/Additions/NSDataAdditions.h (modified) (1 diff)
• trunk/Additions/NSDataAdditions.m (modified) (1 diff)

trunk/Additions/NSDataAdditions.h

@@ -5 +5 @@
-- (NSString *) base64Encoding;
-- (NSString *) base64EncodingWithLineLength:(unsigned int) lineLength;
+
+- (BOOL) hasPrefix:(NSData *) prefix;
+- (BOOL) hasPrefixBytes:(void *) prefix length:(unsigned int) length;
-@end

trunk/Additions/NSDataAdditions.m

@@ -144 +144 @@
-        return [NSString stringWithString:result];
-}
+
+#pragma mark -
+
+- (BOOL) hasPrefix:(NSData *) prefix {
+        unsigned int length = [prefix length];
+        if( ! prefix || ! length || [self length] < length ) return NO;
+        return ( memcmp( [self bytes], [prefix bytes], length ) == 0 );
+}
+
+- (BOOL) hasPrefixBytes:(void *) prefix length:(unsigned int) length {
+        if( ! prefix || ! length || [self length] < length ) return NO;
+        return ( memcmp( [self bytes], prefix, length ) == 0 );
+}
-@end