1 files changed, 165 insertions, 0 deletions
diff --git a/private/crt32/iostream/streamb1.cxx b/private/crt32/iostream/streamb1.cxx
new file mode 100644
index 000000000..d6899ea79
--- /dev/null
+++ b/private/crt32/iostream/streamb1.cxx
@@ -0,0 +1,165 @@
+/***
+*streamb1.cxx - non-core functions for streambuf class.
+*
+*	Copyright (c) 1990-1992, Microsoft Corporation.  All rights reserved.
+*
+*Purpose:
+*	None-core functions for streambuf class.
+*
+*Revision History:
+*	11-18-91  KRS	Split off from streamb.cxx.
+*
+*******************************************************************************/
+
+#include <cruntime.h>
+#include <internal.h>
+#include <iostream.h>
+#pragma hdrstop
+
+
+/***
+*int streambuf::snextc() -
+*
+*Purpose:
+*	Increments get_pointer and returns the character following the new
+*	get_pointer.
+*
+*Entry:
+*	None.
+*
+*Exit:
+*	Returns the next character or EOF.
+*
+*Exceptions:
+*	Returns EOF if error.
+*
+*******************************************************************************/
+int streambuf::snextc()
+{
+    if (_fUnbuf)
+	{
+	if (x_lastc==EOF)
+	    underflow();		// skip 1st character
+	return x_lastc = underflow();	// return next character, or EOF
+	}
+    else
+	{
+	if ((!egptr()) || (gptr()>=egptr()))
+	    underflow();		// make sure buffer
+
+	if ((++_gptr) < egptr())
+	    return (int)(unsigned char) *gptr();
+	return underflow();		// returns next character, or EOF
+	}
+}
+
+
+/***
+*int streambuf::sbumpc() -
+*
+*Purpose:
+*	Increments get_pointer and returns the character that the previous
+*	get_pointer pointed to.
+*
+*Entry:
+*	None.
+*
+*Exit:
+*	Returns current character before bumping get pointer.
+*
+*Exceptions:
+*	Returns EOF if error.
+*
+*******************************************************************************/
+int streambuf::sbumpc()
+{
+    int c;
+    if (_fUnbuf) // no buffer
+	{
+	if (x_lastc==EOF) 
+	    {
+	    c = underflow();
+	    }
+	else
+	    {
+	    c = x_lastc;
+	    x_lastc = EOF;
+	    }
+	}
+    else
+	{
+	if( gptr() < egptr() )
+	    {
+	    c = (int)(unsigned char)*(gptr());
+	    }
+	else
+	    {
+	    // UNDONE: possible recursion
+	    c = underflow();
+	    }
+	_gptr++;
+	}
+    return c;
+}
+
+/***
+*void streambuf::stossc() - advance get pointer
+*
+*Purpose:
+*	Advances the get pointer.  Does not check for EOF.
+*
+*Entry:
+*	None.
+*
+*Exit:
+*	None.
+*
+*Exceptions:
+*
+*******************************************************************************/
+void streambuf::stossc()
+{
+    if (_fUnbuf)
+	{
+	if (x_lastc==EOF)
+	    underflow();	// throw away current character
+	else
+	    x_lastc=EOF;	// discard current cached character
+	}
+    else
+	{
+	if (gptr() >= egptr())
+	    underflow();
+	if (gptr() < egptr())
+	    _gptr++;
+	}
+}
+
+/***
+*int streambuf::sgetc() -
+*
+*Purpose:
+*	Returns the character that the previous get_pointer points to.
+*	DOES NOT advance the get pointer.
+*
+*Entry:
+*	None.
+*
+*Exit:
+*	Returns current character or EOF if error.
+*
+*Exceptions:
+*	Returns EOF if error.
+*
+*******************************************************************************/
+int streambuf::sgetc()
+{
+    if (_fUnbuf)  // no buffer
+	{
+	if (x_lastc==EOF)
+	    x_lastc = underflow();
+	return x_lastc;
+	}
+     else
+	return underflow();
+}