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authorMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
committerMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
commit0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch)
treef8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/libio/isgetsb.cc
parentff8e9a4356e55ed142306c3a375fa280800abc86 (diff)
egcs projects compiler system
Exact copy of the snapshot, except for the removal of texinfo/ gcc/ch/ libchill/
Diffstat (limited to 'gnu/egcs/libio/isgetsb.cc')
-rw-r--r--gnu/egcs/libio/isgetsb.cc59
1 files changed, 59 insertions, 0 deletions
diff --git a/gnu/egcs/libio/isgetsb.cc b/gnu/egcs/libio/isgetsb.cc
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+++ b/gnu/egcs/libio/isgetsb.cc
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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 this library; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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;
+}