fixed BMessage::Flatten(x) so that it does not crash

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4710 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-09-16 03:45:51 +00:00
parent b9fbf3f78c
commit 1cfc49614f
1 changed files with 4 additions and 1 deletions
@@ -576,7 +576,10 @@ status_t BMessage::Flatten(BDataIO* stream, ssize_t* size) const
 		err = Flatten(buffer, len);
 		if (!err)
 		{
+			// size is an optional parameter, don't crash on NULL
+			if (size != NULL) {
 				*size = len;
+			}
 			err = stream->Write(buffer, len);
 			if (err > B_OK)
 				err = B_OK;