X-Git-Url: http://git.ithinksw.org/ITFoundation.git/blobdiff_plain/14a301f7aa7b244c4831006cfc4cfa42185517a4..d3f44a2b3aea054d2012e58b7d048dd6550a9a41:/ITByteStream.m

diff --git a/ITByteStream.m b/ITByteStream.m
index 67ecf31..e4607b4 100755
--- a/ITByteStream.m
+++ b/ITByteStream.m
@@ -53,10 +53,12 @@
     [super dealloc];
 }
 
--(void) setDelegate:(id <ITByteStreamDelegate>)d
+-setDelegate:(id <DataReciever>)d
 {
+    id old = delegate;
     [delegate release];
     delegate = [d retain];
+    return old;
 }
 
 -(int) availableDataLength
@@ -70,17 +72,11 @@
 
 -(NSData*) readDataOfLength:(int)length
 {
-    NSData *ret, *tmp;
+    NSData *ret;
     NSRange range = {0, length};
     [lock lock];
     ret = [data subdataWithRange:range];
-#if MAC_OS_X_VERSION_10_2 <= MAC_OS_X_VERSION_MAX_ALLOWED
     [data replaceBytesInRange:range withBytes:nil length:0];
-#else
-    range = {length, [data length]};
-    tmp = [data subdataWithRange:range];
-    [data setData:tmp];
-#endif
     [lock unlock];
     return ret;
 }
@@ -103,11 +99,27 @@
     [delegate newDataAdded:self];
 }
 
--(void) writeBytes:(char *)b len:(long)length
+-(void) writeBytes:(in char *)b len:(long)length
 {
     [lock lock];
     [data appendBytes:b length:length];
     [lock unlock];
     [delegate newDataAdded:self];
 }
+
+-(void) lockStream
+{
+    [lock lock];
+}
+
+-(void) unlockStream
+{
+    [lock unlock];
+}
+
+-(void) shortenData:(long)length
+{
+    NSRange range = {0, length};
+    [data replaceBytesInRange:range withBytes:nil length:0];
+}
 @end