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C/C++ Source or Header  |  1992-06-10  |  983 b   |  33 lines
  1. /*[]------------------------------------------------------------[]*/
  2. /*|                                                              |*/
  3. /*|     stbuflow.cpp                                             |*/
  4. /*|                                                              |*/
  5. /*|     Class streambuf                                          |*/
  6. /*|          int streambuf::underflow()                          |*/
  7. /*|                                                              |*/
  8. /*[]------------------------------------------------------------[]*/
  9.  
  10. /*
  11.  *      C/C++ Run Time Library - Version 5.0
  12.  *
  13.  *      Copyright (c) 1990, 1992 by Borland International
  14.  *      All Rights Reserved.
  15.  *
  16.  */
  17.  
  18. #include <ioconfig.h>
  19. #include <iostream.h>
  20.  
  21. // streambuf can't do anything about underflow -- no place to get chars
  22.  
  23. int streambuf::underflow()
  24. {
  25.     if( egptr_ > gptr_ )
  26.         return (unsigned char) *gptr_;
  27.  
  28.     gptr_ = egptr_;
  29.     return EOF;
  30. }
  31.  
  32.  
  33.