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/***
* istrget.cxx - definitions for istream class get() member functions
*
* Copyright (c) 1991-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Definitions of get() member functions for istream class.
* [AT&T C++]
*
*Revision History:
* 09-26-91 KRS Created. Split off from istream.cxx for granularity.
*
*******************************************************************************/
#include <cruntime.h>
#include <internal.h>
#include <iostream.h>
#pragma hdrstop
// unformatted input functions
int istream::get()
{
int c;
if (ipfx(1)) // resets x_gcount
{
if ((c=bp->sbumpc())==EOF)
state |= ios::eofbit;
else
x_gcount++;
isfx();
return c;
}
return EOF;
}
// signed and unsigned char make inline calls to this:
istream& istream::get( char& c)
{
int temp;
if (ipfx(1)) // resets x_gcount
{
if ((temp=bp->sbumpc())==EOF)
state |= (ios::failbit|ios::eofbit); // UNDONE ??
else
x_gcount++;
c = (char) temp;
isfx();
}
return *this;
}
// called by signed and unsigned char versions
istream& istream::read(char * ptr, int n)
{
if (ipfx(1)) // resets x_gcount
{
x_gcount = bp->sgetn(ptr, n);
if ((unsigned)x_gcount < (unsigned)n)
state |= (ios::failbit|ios::eofbit);
isfx();
}
return *this;
}
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