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- /* This is part of libio/iostream, providing -*- C++ -*- input/output.
- Copyright (C) 1993 Free Software Foundation
-
- This file is part of the GNU IO Library. This library is free
- software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- As a special exception, if you link this library with files
- compiled with a GNU compiler to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
- #include "libioP.h"
- #include "iostream.h"
- #include <string.h>
-
- istream& istream::get(streambuf& sb, char delim /* = '\n' */)
- {
- _gcount = 0;
- if (ipfx1())
- {
- register streambuf* isb = rdbuf();
- for (;;)
- {
- streamsize len = isb->_IO_read_end - isb->_IO_read_ptr;
- if (len <= 0)
- if (__underflow(isb) == EOF)
- break;
- else
- len = isb->_IO_read_end - isb->_IO_read_ptr;
- char *delimp = (char*)memchr((void*)isb->_IO_read_ptr, delim, len);
- if (delimp != NULL)
- len = delimp - isb->_IO_read_ptr;
- int written = sb.sputn(isb->_IO_read_ptr, len);
- isb->_IO_read_ptr += written;
- _gcount += written;
- if (written != len)
- {
- set(ios::failbit);
- break;
- }
- if (delimp != NULL)
- break;
- }
- }
- return *this;
- }
-