src/afs/HPUX/osi_misc.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /*
  11  * Implements:
  12  * afs_suser
  13  */
  14
  15 #include <afsconfig.h>
  16 #include "afs/param.h"
  17
  18
  19 #include "afs/sysincludes.h"    /* Standard vendor system headers */
  20 #include "afsincludes.h"        /* Afs-based standard headers */
  21
  22 /*
  23  * afs_suser() returns true if the caller is superuser, false otherwise.
  24  *
  25  * Note that it must NOT set errno.
  26  *
  27  * Here we have to save and restore errno since the HP-UX suser() sets errno.
  28  */
  29
  30 afs_suser(void *credp)
  31 {
  32     int save_errno;
  33     int code;
  34
  35     save_errno = u.u_error;
  36     code = suser();
  37     u.u_error = save_errno;
  38
  39     return code;
  40 }