Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/utility/c_filebuf.h

@@ -0,0 +1,49 @@
+/* $XConsortium: c_filebuf.h /main/4 1996/08/21 15:54:26 drk $ */
+
+#ifndef _x_filebuf_h
+#define _x_filebuf_h
+
+#include "utility/c_streambuf.h"
+#include "utility/c_ios.h"
+
+class  filebuf : public streambuf
+{
+protected:
+   int _fd;
+   int _mode;
+   int _prev_action;
+   char* _name;
+
+   streampos current_pos;
+   streampos new_pos;
+   streampos default_new_pos;
+
+protected:
+   void notify(int action_t); 
+   void _notify(int action_t);
+
+   int overflow();
+   int underflow() ;
+
+   int _seek();
+   int _seek(streampos pos, int whence);
+   int _write(char* ptr, int size);
+
+public:
+   filebuf(int fd);
+   filebuf(const char* name, int mode, int protect = 0644);
+   ~filebuf();
+
+   int fd() { return _fd; };
+   int is_open();
+
+   int open(const char* name, int mode, int protect = 0644);
+   int close();
+
+   int flush() ;
+   int seekg(streampos delta) ;
+};
+
+#endif
+
+