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Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/dup.c')
-rw-r--r--usr/src/lib/libbc/libc/sys/common/dup.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/dup.c b/usr/src/lib/libbc/libc/sys/common/dup.c
new file mode 100644
index 0000000000..57403687af
--- /dev/null
+++ b/usr/src/lib/libbc/libc/sys/common/dup.c
@@ -0,0 +1,44 @@
+/*
+ * 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 <syscall.h>
+
+
+int dup(fd)
+int fd;
+{
+ int ret, fds;
+
+ if ((ret = _syscall(SYS_dup, fd)) == -1)
+ return(-1);
+
+ if ((fds = fd_get(fd)) != -1)
+ fd_add(ret, fds);
+
+ return(ret);
+}