🚀 go-pugleaf

Bugs:

- istream::getline(), istream::get() in igetline.C set 
  ios::failbit when receiving an empty line as input and don't 
  set ios::eofbit when EOF occurs.
- streambuf::sgetline() doesn't communicate EOF from underflow() 
  to it's caller.

The following patch fixes this:

*** igetline.C-ORIG	Fri Nov  6 13:44:09 1992
--- igetline.C	Fri Nov  6 17:06:51 1992
***************
*** 23,30 ****
      if (ipfx1()) {
  	long count = rdbuf()->sgetline(buf, len, delim, 0);
  	_gcount = count;
! 	if (count <= 0 || count == len-1)
! 	    set(ios::failbit);
      }
      return *this;
  }
--- 23,32 ----
      if (ipfx1()) {
  	long count = rdbuf()->sgetline(buf, len, delim, 0);
  	_gcount = count;
! //	if (count <= 0 || count == len-1)
! //	    set(ios::failbit);
! 	if (count < 0)
! 	    set(ios::failbit|ios::eofbit);
      }
      return *this;
  }
***************
*** 34,41 ****
      _gcount = 0;
      if (ipfx1()) {
  	long count = rdbuf()->sgetline(buf, len, delim, -1);
! 	if (count <= 0)
! 	    set(ios::failbit);
  	else
  	    _gcount = count;
      }
--- 36,45 ----
      _gcount = 0;
      if (ipfx1()) {
  	long count = rdbuf()->sgetline(buf, len, delim, -1);
! //	if (count <= 0)
! //	    set(ios::failbit);
!         if (count < 0)
! 	    set(ios::failbit|ios::eofbit);
  	else
  	    _gcount = count;
      }
*** sgetline.C-ORIG	Fri Nov  6 16:42:00 1992
--- sgetline.C	Fri Nov  6 16:42:47 1992
***************
*** 34,40 ****
  	int len = egptr() - gptr();
  	if (len <= 0)
  	    if (underflow() == EOF)
! 		break;
  	    else
  		len = egptr() - gptr();
  	if (len >= (int)n)
--- 34,43 ----
  	int len = egptr() - gptr();
  	if (len <= 0)
  	    if (underflow() == EOF)
! 	    {
! 	    	*ptr = 0;
! 	    	return EOF;
! 	    }
  	    else
  		len = egptr() - gptr();
  	if (len >= (int)n)

Martin
-- 
 _____ _____
|     |___  |   Martin Junius           FIDO:      2:242/6.1
| | | |   | |   Communication Networks  Internet:  mj@dfv.rwth-aachen.de
|_|_|_|@work|   Aachen U of Technology  Phone:     ++49-241-8790220 (voice)