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author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-08-21 22:57:35 +0000 |
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committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 1997-08-21 22:57:35 +0000 |
commit | 28e9041cc224267271fbcd8db22bea115912365b (patch) | |
tree | a3b19970338bdae580faff126a716e1d5520400c /libio/isgetsb.cc | |
parent | 5000a677980ebfb439f5349c5e269f7447dbab41 (diff) | |
download | gcc-28e9041cc224267271fbcd8db22bea115912365b.tar.gz |
Initial revision
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14877 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libio/isgetsb.cc')
-rw-r--r-- | libio/isgetsb.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libio/isgetsb.cc b/libio/isgetsb.cc new file mode 100644 index 00000000000..55617e649a0 --- /dev/null +++ b/libio/isgetsb.cc @@ -0,0 +1,59 @@ +/* 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; +} |