1 files changed, 98 insertions, 0 deletions

diff --git a/private/crt32/iostream/istream1.cxx b/private/crt32/iostream/istream1.cxx
new file mode 100644
index 000000000..ff2bc8098
--- /dev/null
+++ b/private/crt32/iostream/istream1.cxx
@@ -0,0 +1,98 @@
+/***
+* istream1.cxx - non-core definitions for istream & istream_withassign classes
+*
+*	Copyright (c) 1991-1992, Microsoft Corporation.  All rights reserved.
+*
+*Purpose:
+*	Definitions of non-core member functions for istream and
+*	istream_withassign classes.
+*	[AT&T C++]
+*
+*Revision History:
+*	09-23-91   KRS	Created.  Split off from istream.cxx for granularity.
+*	10-07-91   KRS	Increment x_gcount in get(sb).
+*	10-24-91   KRS	Fix istream_withassign::operator=() functions.
+*	11-20-91   KRS  Make operator= inline.
+*	03-30-92   KRS	Add multithread locking.
+*
+*******************************************************************************/
+
+#include <cruntime.h>
+#include <internal.h>
+#include <stdlib.h>
+#include <iostream.h>
+#pragma hdrstop
+
+istream& istream::operator>>(streambuf* _sbuf)
+{
+    int c;
+    if (ipfx(0))
+	{
+	while ((c=bp->sbumpc())!=EOF)
+	    {
+	    if (_sbuf->sputc(c)==EOF)
+		{
+		state |= ios::failbit;
+		}
+	    }
+	isfx();
+	}
+return *this;
+}
+
+
+// unformatted input functions
+
+istream& istream::get( streambuf& sbuf, char delim)
+{
+    int c;
+    if (ipfx(1))	// resets x_gcount
+	{
+	while ((c  = bp->sgetc())!=delim)
+	    {
+	    if (c==EOF)  // stop if EOF encountered
+		{
+		state |= ios::eofbit;
+		break;
+		}
+	    bp->stossc();	// advance get pointer
+	    x_gcount++;		// and increment count
+
+	    // store c into sbuf  // UNDONE:  is this what they meant???
+	    if (sbuf.sputc(c)==EOF)
+ 		state |= ios::failbit;
+	    }
+	isfx();
+	}
+    return *this;
+}
+
+istream& istream::seekg(streampos _strmp)
+{
+    lockbuf();
+    if (bp->seekpos(_strmp, ios::in)==EOF)
+	{
+	clear(state | failbit);
+	}
+    unlockbuf();
+    return(*this);
+}
+
+istream& istream::seekg(streamoff _strmf, seek_dir _sd)
+{
+    lockbuf();
+    if (bp->seekoff(_strmf, _sd, ios::in)==EOF)
+	clear(state | failbit);
+    unlockbuf();
+    return(*this);
+}
+
+streampos istream::tellg()
+{
+    streampos retval;
+    lockbuf();
+    if ((retval=bp->seekoff(streamoff(0), ios::cur, ios::in))==EOF)
+	clear(state | failbit);
+    unlockbuf();
+    return(retval);
+}