1 files changed, 60 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/4.2/truncate.c b/usr/src/lib/libbc/libc/sys/4.2/truncate.c
new file mode 100644
index 0000000000..4e5981abbd
--- /dev/null
+++ b/usr/src/lib/libbc/libc/sys/4.2/truncate.c
@@ -0,0 +1,60 @@
+/*
+ * 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 1990 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include "chkpath.h"
+#include <syscall.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/fcntl.h>
+#include <sys/param.h>
+
+extern int errno;
+
+int truncate(path, length)
+char	*path;
+off_t	length;
+{
+	int fd, ret=0; 
+
+	CHKNULL(path);
+
+	if (strcmp(path, "/etc/mtab") == 0 || strcmp(path, "/etc/fstab") == 0) {
+		errno = ENOENT;
+		return(-1);
+	}
+	if ((fd = open(path, O_WRONLY)) == -1) {
+		return(-1);
+	}
+	
+	if (ftruncate(fd, length) == -1) {
+		close(fd);
+		return(-1);
+	}
+	close(fd);
+	return(0);
+}