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70 lines
1.4 KiB
70 lines
1.4 KiB
/***
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* ostream1.cpp - definitions for ostream class non-core member functions
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*
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* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains the non-core member function definitions for ostream class.
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*
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*Revision History:
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* 07-01-91 KRS Created. Split out from ostream.cxx for granularity.
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* 11-20-91 KRS Make operator= inline.
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* 03-30-92 KRS Add multithread locks.
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* 06-14-95 CFW Comment cleanup.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <internal.h>
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#include <iostream.h>
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#pragma hdrstop
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ostream& ostream::seekp(streampos _strmp)
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{
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lockbuf();
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if (bp->seekpos(_strmp, ios::out)==EOF)
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clear(state | failbit);
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unlockbuf();
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return(*this);
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}
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ostream& ostream::seekp(streamoff _strmf, seek_dir _sd)
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{
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lockbuf();
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if (bp->seekoff(_strmf, _sd, ios::out)==EOF)
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clear(state | failbit);
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unlockbuf();
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return(*this);
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}
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streampos ostream::tellp()
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{
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streampos retval;
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lockbuf();
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if ((retval=bp->seekoff(streamoff(0), ios::cur, ios::out))==EOF)
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clear(state | failbit);
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unlockbuf();
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return(retval);
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}
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ostream& ostream::operator<<(streambuf * instm)
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{
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int c;
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if (opfx())
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{
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while ((c=instm->sbumpc())!=EOF)
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if (bp->sputc(c) == EOF)
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{
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state |= failbit;
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break;
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}
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osfx();
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}
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return *this;
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}
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