usr/src/lib/libbc/libc/sys/sys5/rename.c

   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 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <sys/syscall.h>
  28 #include <sys/fcntl.h>
  29
  30 int
  31 rename(char *path1, char *path2)
  32 {
  33         char buf2[256];
  34
  35         if (strcmp(path1, "/etc/utmp") == 0 ||
  36             strcmp(path1, "/var/adm/utmp") == 0) {
  37                 path1 = "/var/adm/utmpx";
  38                 strcpy(buf2, path2);
  39                 strcat(buf2, "x");
  40                 path2 = buf2;
  41         } else if (strcmp(path1, "/var/adm/wtmp") == 0) {
  42                 path1 = "/var/adm/wtmpx";
  43                 strcpy(buf2, path2);
  44                 strcat(buf2, "x");
  45                 path2 = buf2;
  46         }
  47
  48         return (_syscall(SYS_renameat, AT_FDCWD, path1, AT_FDCWD, path2));
  49 }