libsyscall/wrappers/guarded_open_np.c

   1 /*
   2  * Copyright (c) 2012 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include <sys/cdefs.h>
  24 #include <sys/types.h>
  25 #include <stdarg.h>
  26 #include <sys/fcntl.h>
  27 #include <sys/guarded.h>
  28
  29 int __guarded_open_np(const char *path,
  30     const guardid_t *guard, u_int guardflags, int flags, int mode);
  31
  32 int
  33 guarded_open_np(const char *path,
  34     const guardid_t *guard, u_int guardflags, int flags, ...)
  35 {
  36         int mode = 0;
  37
  38         if (flags & O_CREAT)  {
  39                 va_list ap;
  40                 va_start(ap, flags);
  41                 mode = va_arg(ap, int);
  42                 va_end(ap);
  43         }
  44         return (__guarded_open_np(path, guard, guardflags, flags, mode));
  45 }