Misc whitespace changes.

1 files changed, 11 insertions, 4 deletions

diff --git a/xdelta3/xdelta3.h b/xdelta3/xdelta3.h
index f417dcf..c831ac1 100644
--- a/xdelta3/xdelta3.h
+++ b/xdelta3/xdelta3.h
@@ -752,10 +752,17 @@ struct _xd3_source
   xoff_t              getblkno;      /* request block number: xd3 sets
                                         current getblk request */
 
-  xoff_t              max_blkno;
-  xoff_t              frontier_blkno;
-  usize_t             onlastblk;
-  int                 eof_known;
+  /* See xd3_getblk() */
+  xoff_t              max_blkno;  /* Maximum block, if eof is known,
+                                   * otherwise, equals frontier_blkno
+                                   * (initially 0). */
+  xoff_t              frontier_blkno;  /* If eof is unknown, the next
+                                        * source position to be read.
+                                        * Otherwise, equal to
+                                        * max_blkno. */
+  usize_t             onlastblk;  /* Number of bytes on max_blkno */
+  int                 eof_known;  /* Set to true when the first
+                                   * partial block is read. */
 };
 
 /* The primary xd3_stream object, used for encoding and decoding.  You