sysdeps/unix/sysv/aix/revoke.c

   1 /* Revoke the access of all descriptors currently open on a file.  AIX version.
   2    Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <fcntl.h>
  21 #include <unistd.h>
  22 #include <errno.h>
  23
  24 extern int frevoke (int fdes);
  25
  26 int
  27 revoke (file)
  28      const char *file;
  29 {
  30   int fd;
  31   int res;
  32
  33   fd = open (file, O_RDONLY);
  34   if (fd < 0)
  35     return -1;
  36
  37   res = frevoke (fd);
  38   (void) close (fd);
  39
  40   return res;
  41 }