66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: c_ios.h /main/4 1996/08/21 15:54:50 drk $ */
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#ifndef _ios_h
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#define _ios_h
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#include <sys/types.h>
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#include "utility/macro.h"
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#include "utility/c_streambuf.h"
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class ios
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{
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protected:
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streambuf* sbuf; // buffer that provides char sequence read/write
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int f_state;
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public:
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enum open_mode { in=1, out=2, app=4, trunc=8 };
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enum seek_dir { beg=0, cur=1, end=2 } ;
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enum states { OK=0, BAD=1, FAIL=2 } ;
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ios(streambuf* sb = 0);
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virtual ~ios();
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int rdstate() { return f_state; };
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int fail() ;
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int bad() ;
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int good() {
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return !(fail() || bad()) ;
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};
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void set_bad() { f_state |= BAD;};
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void set_fail() { f_state |= FAIL;};
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void clear() { f_state = OK; };
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int operator!() { return fail(); };
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operator void*() { return (void*)(size_t)good(); };
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};
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#endif
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