1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 /* 30 * Portions of this source code were derived from Berkeley 4.3 BSD 31 * under license from the Regents of the University of California. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/isa_defs.h> 36 #include <sys/types.h> 37 #include <sys/sysmacros.h> 38 #include <sys/systm.h> 39 #include <sys/errno.h> 40 #include <sys/vnode.h> 41 #include <sys/uio.h> 42 #include <sys/debug.h> 43 #include <sys/file.h> 44 #include <sys/fcntl.h> 45 #include <c2/audit.h> 46 47 /* 48 * Rename a file relative to a given directory 49 */ 50 int 51 renameat(int ffd, char *from, int tfd, char *to) 52 { 53 vnode_t *fstartvp = NULL; 54 vnode_t *tstartvp = NULL; 55 int error; 56 57 if (from == NULL || to == NULL) 58 return (set_errno(EFAULT)); 59 if ((error = fgetstartvp(ffd, from, &fstartvp)) != 0) 60 goto out; 61 if ((error = fgetstartvp(tfd, to, &tstartvp)) != 0) 62 goto out; 63 64 error = vn_renameat(fstartvp, from, tstartvp, to, UIO_USERSPACE); 65 66 out: 67 if (fstartvp != NULL) 68 VN_RELE(fstartvp); 69 if (tstartvp != NULL) 70 VN_RELE(tstartvp); 71 if (error) 72 return (set_errno(error)); 73 return (0); 74 } 75 76 int 77 rename(char *from, char *to) 78 { 79 return (renameat(AT_FDCWD, from, AT_FDCWD, to)); 80 } 81