windows check

src/io/page_dmatrix-inl.hpp

@@ -50,13 +50,13 @@ struct RowBatchPage {
     std::vector<size_t> &rptr = *p_rptr;
     rptr.resize(this->Size() + 1);
     for (size_t i = 0; i < rptr.size(); ++i) {
-      rptr[i] = static_cast<size_t>(this->row_ptr(i));
+      rptr[i] = static_cast<size_t>(this->row_ptr(static_cast<int>(i)));
     }
     batch.ind_ptr = &rptr[0];
     return batch;
   }
   /*! \brief get i-th row from the batch */
-  inline RowBatch::Inst operator[](size_t i) {
+  inline RowBatch::Inst operator[](int i) {
     return RowBatch::Inst(data_ptr(0) + row_ptr(i), 
                           static_cast<bst_uint>(row_ptr(i+1) - row_ptr(i)));
   }
@@ -173,7 +173,7 @@ class ThreadRowPageIterator: public utils::IIterator<RowBatch> {
   // loader factory for page
   struct Factory {
    public:
-    size_t file_begin_;
+    long file_begin_;
     utils::FileStream fi;
     Factory(void) {}
     inline void SetFile(const utils::FileStream &fi) {

src/utils/io.h

@@ -92,9 +92,9 @@ class IStream {
 class ISeekStream: public IStream {
  public:
   /*! \brief seek to certain position of the file */
-  virtual void Seek(size_t pos) = 0;
+  virtual void Seek(long pos) = 0;
   /*! \brief tell the position of the stream */
-  virtual size_t Tell(void) = 0;
+  virtual long Tell(void) = 0;
 };
 
 /*! \brief implementation of file i/o stream */
@@ -112,11 +112,11 @@ class FileStream : public ISeekStream {
   virtual void Write(const void *ptr, size_t size) {
     fwrite(ptr, size, 1, fp);
   }
-  virtual void Seek(size_t pos) {
+  virtual void Seek(long pos) {
     fseek(fp, pos, SEEK_SET);
   }
-  virtual size_t Tell(void) {
-    return static_cast<size_t>(ftell(fp));
+  virtual long Tell(void) {
+    return ftell(fp);
   }
   inline void Close(void) {
     if (fp != NULL){