sys/open.c

   1 /*
   2  * Copyright (c) 2005 Apple Computer, 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
  24 #include <sys/types.h>
  25 /*
  26  * We need O_NOCTTY from fcntl.h, but that would also drag in the variadic
  27  * prototype for open(), and so we'd have to use stdarg.h to get the mode.
  28  * So open.h just contains O_NOCTTY, which it gets from fcntl.h.
  29  *
  30  * This is for legacy only.
  31  */
  32 #include "open.h"
  33
  34 int __open_nocancel(const char *path, int flags, mode_t mode);
  35 int open(const char *path, int flags, mode_t mode) LIBC_ALIAS_C(open);
  36
  37 /*
  38  * open stub: The legacy interface never automatically associated a controlling
  39  * tty, so we always pass O_NOCTTY.
  40  */
  41 int
  42 open(const char *path, int flags, mode_t mode)
  43 {
  44         return(__open_nocancel(path, flags | O_NOCTTY, mode));
  45 }