1 files changed, 91 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/stdio/sys5/fopen.c b/usr/src/lib/libbc/libc/stdio/sys5/fopen.c
new file mode 100644
index 0000000000..d7cb1ee876
--- /dev/null
+++ b/usr/src/lib/libbc/libc/stdio/sys5/fopen.c
@@ -0,0 +1,91 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*      Copyright (c) 1984 AT&T */
+/*        All Rights Reserved   */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.8 */
+
+/*LINTLIBRARY*/
+#include <stdio.h>
+#include <fcntl.h>
+
+extern int open(), fclose();
+extern FILE *_findiop(), *_endopen();
+
+FILE *
+fopen(file, mode)
+char	*file, *mode;
+{
+	return (_endopen(file, mode, _findiop()));
+}
+
+FILE *
+freopen(file, mode, iop)
+char	*file, *mode;
+register FILE *iop;
+{
+	(void) fclose(iop); /* doesn't matter if this fails */
+	return (_endopen(file, mode, iop));
+}
+
+static FILE *
+_endopen(file, mode, iop)
+char	*file, *mode;
+register FILE *iop;
+{
+	register int	plus, oflag, fd;
+
+	if (iop == NULL || file == NULL || file[0] == '\0')
+		return (NULL);
+	plus = (mode[1] == '+');
+	switch (mode[0]) {
+	case 'w':
+		oflag = (plus ? O_RDWR : O_WRONLY) | O_TRUNC | O_CREAT;
+		break;
+	case 'a':
+		oflag = (plus ? O_RDWR : O_WRONLY) | O_APPEND | O_CREAT;
+		break;
+	case 'r':
+		oflag = plus ? O_RDWR : O_RDONLY;
+		break;
+	default:
+		return (NULL);
+	}
+	if ((fd = open(file, oflag, 0666)) < 0)
+		return (NULL);
+	iop->_cnt = 0;
+	iop->_file = fd;
+	iop->_flag = plus ? _IORW : (mode[0] == 'r') ? _IOREAD : _IOWRT;
+	if (mode[0] == 'a')   {
+		if (!plus)  {
+			/* if update only mode, move file pointer to the end
+			   of the file */
+			if ((lseek(fd,0L,2)) < 0)  {
+				(void) close(fd);
+				return NULL;
+			}
+		}
+	}
+	iop->_base = iop->_ptr = NULL;
+	iop->_bufsiz = 0;
+	return (iop);
+}