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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/* This is part of libio/iostream, providing -*- C++ -*- input/output.
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Copyright (C) 1993 Free Software Foundation
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This file is part of the GNU IO Library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#include "libioP.h"
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#include "iostream.h"
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#include <string.h>
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istream& istream::get(streambuf& sb, char delim /* = '\n' */)
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{
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_gcount = 0;
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if (ipfx1())
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{
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register streambuf* isb = rdbuf();
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for (;;)
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{
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streamsize len = isb->_IO_read_end - isb->_IO_read_ptr;
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if (len <= 0)
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if (__underflow(isb) == EOF)
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break;
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else
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len = isb->_IO_read_end - isb->_IO_read_ptr;
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char *delimp = (char*)memchr((void*)isb->_IO_read_ptr, delim, len);
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if (delimp != NULL)
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len = delimp - isb->_IO_read_ptr;
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int written = sb.sputn(isb->_IO_read_ptr, len);
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isb->_IO_read_ptr += written;
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_gcount += written;
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if (written != len)
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{
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set(ios::failbit);
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break;
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}
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if (delimp != NULL)
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break;
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}
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}
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return *this;
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}
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