1 files changed, 77 insertions, 0 deletions
diff --git a/private/crt32/stdio/clearerr.c b/private/crt32/stdio/clearerr.c
new file mode 100644
index 000000000..a5d651a7d
--- /dev/null
+++ b/private/crt32/stdio/clearerr.c
@@ -0,0 +1,77 @@
+/***
+*clearerr.c - clear error and eof flags
+*
+*	Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
+*
+*Purpose:
+*	defines clearerr() - clear error and eof flags from a stream
+*
+*Revision History:
+*	11-30-83  RN	initial version
+*	11-02-87  JCR	Multi-thread support
+*	12-11-87  JCR	Added "_LOAD_DS" to declaration
+*	05-31-88  PHG	Merged DLL and normal versions
+*	06-01-88  JCR	Clear lowio flags as well as stdio flags
+*	02-15-90  GJF	Fixed copyright and indents
+*	03-16-90  GJF	Replaced _LOAD_DS with _CALLTYPE1 and added #include
+*			<cruntime.h>.
+*	07-23-90  SBM	Replaced <assertm.h> by <assert.h>
+*	10-02-90  GJF	New-style function declarator.
+*	01-22-91  GJF	ANSI naming.
+*  03-27-92  DJM  POSIX support
+*
+*******************************************************************************/
+
+#include <cruntime.h>
+#include <stdio.h>
+#include <assert.h>
+#include <file2.h>
+#include <os2dll.h>
+#include <internal.h>
+#ifndef _POSIX_
+#include <msdos.h>
+#endif
+
+/***
+*void clearerr(stream) - clear error and eof flags on a stream
+*
+*Purpose:
+*	Resets the error and eof indicators for a stream to 0
+*
+*Entry:
+*	FILE *stream - stream to set indicators on
+*
+*Exit:
+*	No return value.
+*	changes the _flag field of the FILE struct.
+*
+*Exceptions:
+*
+*******************************************************************************/
+
+void _CALLTYPE1 clearerr (
+	FILE *stream
+	)
+{
+#ifdef MTHREAD
+	int index;
+#endif
+
+	assert(stream != NULL);
+
+#ifdef MTHREAD
+	index = _iob_index(stream);
+#endif
+
+	_lock_str(index);
+
+	/* Clear stdio level flags */
+	stream->_flag &= ~(_IOERR|_IOEOF);
+
+	/* Clear lowio level flags */
+
+#ifndef _POSIX_
+	_osfile[_fileno(stream)] &= ~(FEOFLAG);
+#endif
+	_unlock_str(index);
+}