1 files changed, 4 insertions, 1 deletions
diff --git a/klm/util/file_piece.hh b/klm/util/file_piece.hh
index c07c6011..1b110287 100644
--- a/klm/util/file_piece.hh
+++ b/klm/util/file_piece.hh
@@ -64,7 +64,10 @@ class FilePiece {
     long int ReadLong();
     unsigned long int ReadULong();
 
-    // Skip spaces defined by isspace.
+    // Fake read() function.  Reads up to limit bytes, returning the amount read.  Returns 0 on EOF || limit == 0. 
+    std::size_t Raw(void *to, std::size_t limit);
+
+    // Skip spaces defined by being in delim.
     void SkipSpaces(const bool *delim = kSpaces) {
       for (; ; ++position_) {
         if (position_ == position_end_) Shift();